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  • Actionmailer not working in rails 2.3

    - by user163352
    I'm using the following config: ActionMailer::Base.smtp_settings = { :address => "smtp.gmail.com", :port => 587, :authentication => :plain, :enable_starttls_auto => true, :user_name => "[email protected]", :password => "sap" } When I send the mail, log shows mail is sent. I can see the mail in logger. But, mail is not delivered to recipient email.

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  • how to get domain name from URL

    - by Chinmay
    How can I fetch a domain name from a URL String? Examples: +----------------------+------------+ | input | output | +----------------------+------------+ | www.google.com | google | | www.mail.yahoo.com | mail.yahoo | | www.mail.yahoo.co.in | mail.yahoo | | www.abc.au.uk | abc | +----------------------+------------+ Related: Matching a web address through regex

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  • SMTP/POP3 on iPhone OS

    - by x-man
    Hi everybody, I want to develop a mail client on iPhone, it's similar to mail.app available on iPhone. I have tried to search on internet but not found how to send mail over SMTP and get mail over POP3 to my app. Please help me !!

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  • New to asp.net. Need help debugging this email form.

    - by Roeland
    Hey guys, First of all, I am a php developer and most of .net is alien to me which is why I am posting here! I just migrated over a site from one set of webhosting to another. The whole site is written in .net. None of the site is database driven so most of it works, except for the contact form. The output on the site simple states there was an error with "There has been an error - please try to submit the contact form again, if you continue to experience problems, please notify our webmaster." This is just a simple message it pops out of it gets to the "catch" part of the email function. I went into web.config and changed the parameters: <emailaddresses> <add name="System" value="[email protected]"/> <add name="Contact" value="[email protected]"/> <add name="Info" value="[email protected]"/> </emailaddresses> <general> <add name="WebSiteDomain" value="hoyespharmacy.com"/> </general> Then the .cs file for contact contains the mail function EmailFormData(): private void EmailFormData() { try { StringBuilder body = new StringBuilder(); body.Append("Name" + ": " + txtName.Text + "\n\r"); body.Append("Phone" + ": " + txtPhone.Text + "\n\r"); body.Append("Email" + ": " + txtEmail.Text + "\n\r"); body.Append("Fax" + ": " + txtEmail.Text + "\n\r"); body.Append("Subject" + ": " + ddlSubject.SelectedValue + "\n\r"); body.Append("Message" + ": " + txtMessage.Text); MailMessage mail = new MailMessage(); mail.IsBodyHtml = false; mail.To.Add(new MailAddress(Settings.GetEmailAddress("System"))); mail.Subject = "Contact Us Form Submission"; mail.From = new MailAddress(Settings.GetEmailAddress("System"), Settings.WebSiteDomain); mail.Body = body.ToString(); SmtpClient smtpcl = new SmtpClient(); smtpcl.Send(mail); } catch { Utilities.RedirectPermanently(Request.Url.AbsolutePath + "?messageSent=false"); } } How do I see what the actual error is. I figure I can do something with the "catch" part of the function.. Any pointers? Thanks!

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  • Using URI-fragments in Ruby on rails routing

    - by Alexei
    RoR application can generate URL such as /post/10. But now I want to create a site, which works with URI-fragments like gmail. For example gmail uses the following URLs https://mail.google.com/mail/?shva=1#sent https://mail.google.com/mail/?shva=1#label/books I need to generate URL such as /#/post/10, where controller = "post", action = "show", id = "10". Of course it will be good to use standard url-helpers.

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  • 5.5.0 smtp;554 transaction failed spam message not queued

    - by Miguel
    Some users are trying to send email to certain domains using Exchange Server 2003, but the message is always is rejected and the following message is shown: 5.5.0 smtp;554 Transaction Failed Spam Message not queued The IP is not in a black list (checked using http://whatismyipaddress.com/blacklist-check and is clean - not listed). The emails were checked using using smtpdiag ("a troubleshooting tool designed to work directly on a Windows server with IIS/SMTP service enabled or with Exchange Server installed") and the connection using port 25 is ok. Also, an nslookup with set type=ptr shows (names and IP changed, "" means I typed something): C:\Documents and Settings\administrator>nslookup Default Server: publicdns.isp.net Address: 10.10.10.10 > server publicdns.isp.net Default Server: publicdns.isp.net Address: 10.10.10.10 > set type=ptr >mydomain.com Server: publicdns.isp.net Address: 10.10.10.10 mydomain.com primary name server = publicdns.isp.net responsible mail addr = root.isp.net serial = 2011061301 refresh = 10800 (3 hours) retry = 3600 (1 hour) expire = 604800 (7 days) default TTL = 86400 (1 day) > 20.21.22.23 Server: publicdns.isp.net Address: 10.10.10.10 23.22.21.20.in-addr.arpa name = mail.mydomain.com 20.21.in-addr.arpa nameserver = publicdns.isp.net 20.21.in-addr.arpa nameserver = publicdns2.isp.net publicdns2.isp.net internet address = 10.10.10.11 publicdns.isp.net internet address = 10.10.10.10 Server: publicdns.isp.net Address: 10.10.10.10 23.22.21.20.in-addr.arpa name = mail.mydomain.com 20.21.in-addr.arpa nameserver = publicdns.isp.net 20.21.in-addr.arpa nameserver = publicdns2.isp.net publicdns2.isp.net internet address = 10.10.10.11 publicdns.isp.net internet address = 10.10.10.10 > set type=mx > mydomain.com Server: publicdns.isp.net Address: 10.10.10.10 mydomain.com MX preference = 10, mail exchanger = mail.mydomain.com mydomain.com nameserver = publicdns.isp.net mydomain.com nameserver = publicdns2.isp.net mail.mydomain.com internet address = 20.21.22.23 publicdns2.isp.net internet address = 10.10.10.11 publicdns.isp.net internet address = 10.10.10.10 > set type=a > mydomain.com Server: publicdns.isp.net Address: 10.10.10.10 Nombre: mydomain.com Address: 20.21.22.23 When I test the spf record with http://www.mxtoolbox.com it shows: TXT mydomain.com 24 hrs v=spf1 a mx ptr ip4:20.21.22.23 mx:mail.mydomain.com -all Any clues of what's happening here?

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  • How to have Windows Server DNS use hosts file to resolve specific host names

    - by user41079
    Hello, everyone, I'm facing a small problem with Windows Server 2003 DNS service. In my corporation, I'm running Microsoft DNS server(172.16.0.12) to do name resolution to my company intranet(domain name ends in dev.nls. resolving to IP 172.16..), and it is also configured as a DNS forwarder to forward other domain names(e.g. *.google.com , *.sf.net) to Internet real DNS servers. This internal DNS server never tends to serve users from outside world. And, we are running a mail server(serving incoming mail for a real Internet domain @nlscan.com) inside company firewall which can be accessed in either way: by connecting to 172.16.0.10 from within intranet. by connecting to mail.nlscan.com(resolved to 202.101.116.9) from Internet. Note that 172.16.0.10 and 202.101.116.9 is not the same physical machine. The 202 one is a firewall machine who do port forwarding of port 25 and 110 to intranet address 172.16.0.10 . Now my question: If users inside corporate LAN want to resolve mail.nlscan.com, it resolves to 202.101.116.9. That's correct and workable, BUT NOT GOOD, because the mail traffic goes to the firewall machine then bounces to 172.16.0.10 . I hope that our internal DNS server can intercept the name mail.nlscan.com and resolve it to 172.16.0.10 . So, I hope that I can write an entry in "hosts" file on 172.16.0.12 to do this. But, how can Microsoft DNS server recognize this "hosts" file? Maybe you suggest, why not have intranet user use 172.16.0.10 to access my mail server? I have to say it is inconvenient, suppose a user(employee) works on his laptop, daytime in office and nighttime at home. When he is at home, he cannot use 172.16.0.10 . Creating a zone for nlscan.com on our internal DNS server is not feasible, because the name server for nlscan.com domain is on our ISP, and it is responsible for resolving other host names and sub-domains under nlscan.com . Thank you in advance.

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  • Email can't be sent to my domain

    - by Jack W-H
    Hi Folks, Basically I have my domain howcode.com bought at DomainMonster.com. I have set it all up to point to MediaTemple nameservers and everything works - mostly - fine. I have registered an email address [email protected]. The setup is, I presume, working correctly. I can successfully send emails with the account. And I presume I can receive them - but the problem is, nobody can send them to me. Emailing from a regular, non-Googlemail account appears to work fine but it never arrives in the inbox. But when you email from a GoogleMail address, an error message is instantly returned saying this: Delivery to the following recipient failed permanently: [email protected] Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 relay not permitted (state 14). ----- Original message ----- Received: by 10.216.91.12 with SMTP id g12mr3673969wef.77.1271503997091; Sat, 17 Apr 2010 04:33:17 -0700 (PDT) Return-Path: Received: from [192.168.0.3] (client-81-98-94-79.cht-bng-014.adsl.virginmedia.net [81.98.94.79]) by mx.google.com with ESMTPS id x1sm29451927wbx.19.2010.04.17.04.33.15 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sat, 17 Apr 2010 04:33:16 -0700 (PDT) From: Jack Webb-Heller Mime-Version: 1.0 (Apple Message framework v1078) Content-Type: multipart/alternative; boundary=Apple-Mail-7--1008464685 Subject: Re: Hi Date: Sat, 17 Apr 2010 12:33:14 +0100 In-Reply-To: <[email protected] To: Jack Webb-Heller References: <[email protected] Message-Id: <[email protected] X-Mailer: Apple Mail (2.1078) Does this work? On 17 Apr 2010, at 12:32, Jack Webb-Heller wrote: Hi I thought this may be something to do with my MX DNS settings. They are setup like so: MX name: howcode.com TTL: 43200 Type: MX Data: 10 mail.howcode.com. The A-Record for mail.howcode.com is setup like this: Name: mail.howcode.com TTL: 43200 Type: A Data: 205.186.187.129 Is this what's going wrong with the issue? Thanks very much Jack

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  • postfix error: open database /var/lib/mailman/data/aliases.db: No such file

    - by Thufir
    In trying to follow the Ubuntu guide for postfix and mailman, I do not understand these directions: This build of mailman runs as list. It must have permission to read /etc/aliases and read and write /var/lib/mailman/data/aliases. Do this with these commands: sudo chown root:list /var/lib/mailman/data/aliases sudo chown root:list /etc/aliases Save and run: sudo newaliases I'm getting this kind of error: root@dur:~# root@dur:~# root@dur:~# telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 dur.bounceme.net ESMTP Postfix (Ubuntu) ehlo dur 250-dur.bounceme.net 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN quit 221 2.0.0 Bye Connection closed by foreign host. root@dur:~# root@dur:~# tail /var/log/mail.log Aug 28 01:16:43 dur postfix/master[19444]: terminating on signal 15 Aug 28 01:16:43 dur postfix/postfix-script[19558]: starting the Postfix mail system Aug 28 01:16:43 dur postfix/master[19559]: daemon started -- version 2.9.1, configuration /etc/postfix Aug 28 01:16:45 dur postfix/postfix-script[19568]: stopping the Postfix mail system Aug 28 01:16:45 dur postfix/master[19559]: terminating on signal 15 Aug 28 01:16:45 dur postfix/postfix-script[19673]: starting the Postfix mail system Aug 28 01:16:45 dur postfix/master[19674]: daemon started -- version 2.9.1, configuration /etc/postfix Aug 28 01:17:22 dur postfix/smtpd[19709]: error: open database /var/lib/mailman/data/aliases.db: No such file or directory Aug 28 01:17:22 dur postfix/smtpd[19709]: connect from localhost[127.0.0.1] Aug 28 01:18:37 dur postfix/smtpd[19709]: disconnect from localhost[127.0.0.1] root@dur:~# root@dur:~# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix default_transport = smtp home_mailbox = Maildir/ inet_interfaces = loopback-only mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/conf.d/01-mail-stack-delivery.conf -m "${EXTENSION}" mailbox_size_limit = 0 mailman_destination_recipient_limit = 1 mydestination = dur, dur.bounceme.net, localhost.bounceme.net, localhost myhostname = dur.bounceme.net mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 readme_directory = no recipient_delimiter = + relay_domains = lists.dur.bounceme.net relay_transport = relay relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_local_domain = $myhostname smtpd_sasl_path = private/dovecot-auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_tls_auth_only = yes smtpd_tls_cert_file = /etc/ssl/certs/ssl-mail.pem smtpd_tls_key_file = /etc/ssl/private/ssl-mail.key smtpd_tls_mandatory_ciphers = medium smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes tls_random_source = dev:/dev/urandom transport_maps = hash:/etc/postfix/transport root@dur:~# root@dur:~# And am wondering what connection might be. I do see that I don't have the requisite files: root@dur:~# root@dur:~# ll /var/lib/mailman/data/aliases ls: cannot access /var/lib/mailman/data/aliases: No such file or directory root@dur:~# At what stage were those aliases created? How can I create them? Is that what's causing the error error: open database /var/lib/mailman/data/aliases.db: No such file or directory Aug 28 01:17:22 dur postfix/smtpd[19709]: connect from localhost[127.0.0.1]?

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  • Cisco IPSec, nat, and port forwarding don't play well together

    - by Alan
    I have two Cisco ADSL modems configured conventionally to nat the inside traffic to the ISP. That works. I have two port forwards on one of them for SMTP and IMAP from the outside to the inside this provides external access to the mail server. This works. The modem doing the port forwarding also terminates PPTP VPN traffic. There are two DNS servers one inside the office which resolves mail to the local address, one outside the office which resolves mail for the rest of the world to the external interface. That all works. I recently added an IPSec VPN between the two modems and that works for every thing EXCEPT connections over the IPSec VPN to the mail server on port 25 or 143 from workstations on the remote lan. It would seem that the modem with the port forwards is confusing traffic from the mail server destined for a machine on the other side of the IPSec VPN for traffic that should go back to a port forward connection. PPTP VPN traffic to the mail server is fine. Is this a scenario anybody is familiar with and are there any suggestions on how to work around it? Many thanks Alan But wait there is more..... This is the strategic parts of the nat config. A route map is used to exclude the lans that are reachable via IPSec tunnels from being Nated. int ethernet0 ip nat inside int dialer1 ip nat outside ip nat inside source route-map nonat interface Dialer1 overload route-map nonat permit 10 match ip address 105 access-list 105 remark *** Traffic to NAT access-list 105 deny ip 192.168.1.0 0.0.0.255 192.168.9.0 0.0.0.255 access-list 105 deny ip 192.168.1.0 0.0.0.255 192.168.48.0 0.0.0.255 access-list 105 permit ip 192.168.1.0 0.0.0.255 any ip nat inside source static tcp 192.168.1.241 25 interface Dialer1 25 ip nat inside source static tcp 192.168.1.241 143 interface Dialer1 143 At the risk of answering my own question, I resolved this outside the Cisco realm. I bound a secondary ip address to mail server 192.168.1.244, changed the port forwards to use it while leaving all the local and IPSec traffic to use 192.168.1.241 and the problem was solved. New port forwards. ip nat inside source static tcp 192.168.1.244 25 interface Dialer1 25 ip nat inside source static tcp 192.168.1.244 143 interface Dialer1 143 Obviously this is a messy solution and being able to fix this in the Cisco would be preferable.

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  • Sendmail SMART_HOST not working

    - by daniel
    Hello, I've defined SMART_HOST to be a specific server, lets call it foo.bar.com. However, when I send a test mail using 'sendmail -t', sendmail tries to use mx.bar.com, which subsequently rejects my mail. I've verified that foo.bar.com works and that mx.bar.com does not work (yay telnet). I've recompiled sendmail.mc vi make, make -C and m4. I've verified the DS entry in sendmail.cf. I've restarted sendmail correctly. I'm not sure how to proceed at this point. Any ideas? Here is my SMART_HOST line: define(SMART_HOST',foo.bar.com')dnl ...and here is the result of a test mail. It never tries to use foo.bar.com, instead it uses mx.bar.com. $ echo subject: test; echo | sendmail -Am -v -flocaluser -- [email protected] subject: test [email protected]... Connecting to mx.bar.com via relay... 220 mx.bar.com ESMTP >>> EHLO myhost.bar.com 250-mx.bar.com 250-8BITMIME 250 SIZE 52428800 >>> MAIL From:<[email protected]> SIZE=1 250 sender <[email protected]> ok >>> RCPT To:<[email protected]> 550 #5.1.0 Address rejected. >>> RSET 250 reset localuser... Connecting to local... localuser... Sent Closing connection to mx.bar.com. >>> QUIT 221 mx.bar.com And last, here is a test mail sent using foo.bar.com: $ hostname myhost.bar.com $ telnet foo.bar.com 25 Trying ***.***.***.***... Connected to foo.bar.com (***.***.***.***). Escape character is '^]'. 220 foo.bar.com ESMTP Sendmail 8.14.1/8.14.1/ITS-7.0/ldap2-1+tls; Tue, 21 Dec 2010 13:27:44 -0700 (MST) helo foo 250 foo.bar.com Hello myhost.bar.com [***.***.***.***], pleased to meet you mail from: [email protected] 250 2.1.0 [email protected]... Sender ok rcpt to: [email protected] 250 2.1.5 [email protected]... Recipient ok data 354 Enter mail, end with "." on a line by itself testing . 250 2.0.0 oBLKRikZ003758 Message accepted for delivery quit 221 2.0.0 foo.bar.com closing connection Connection closed by foreign host. Any ideas? Thanks

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  • PTR Record Troubles

    - by Physikal
    I am having a hell of a time getting our PTR record right. Our current PTR zone looks like this: $ttl 38400 @ IN SOA ns1.domain.com. admin.domain.com. ( 1268669139 10800 3600 604800 38400 ) xxx.xxx.xxx.in-addr.arpa. IN NS ns2.domain.com. xxx.xxx.xxx.in-addr.arpa. IN NS ns1.domain.com. 97 IN PTR mail.domain.com. xxx.xxx.xxx.xxx.in-addr.arpa. IN PTR mail.domain.com. 97.96/28. IN PTR mail.domain.com For some reason the only thing that works is the 97.96/28. When this line is in there it actually says I have a PTR record when reporting from intodns.com. If I remove that line, it says I have no PTR. I have followed instructions from http://www.philchen.com/2007/04/04/configuring-reverse-dns and when I follow those instructions intodns.com says I have no PTR. When it does work with the line 97.96/28., the PTR kicks back as (from intodns.com) : 97.xxx.xxx.xxx.in-addr.arpa -> mail.domain.com.xxx.xxx.xxx.in-addr.arpa Which is, to my knowledge, an incorrect PTR. I want it to just kick back as mail.domain.com, without the xxx.xxx.xxx.in-addr.arpa extension. I have tried everything I can think of but I can't fix it. I can't help but think it's one of those things that is so stupid and simple I'm going to do the ol'facepalm. Any help is greatly appreciated. Thanks! In the event that the domain zone is needed, here it is: $ttl 38400 @ IN SOA domain.com. [email protected]. ( 1265221037 10800 3600 604800 38400 ) domain.com. IN A xxx.xxx.xxx.xxx www.domain.com. IN A xxx.xxx.xxx.xxx ftp.domain.com. IN A xxx.xxx.xxx.xxx m.domain.com. IN A xxx.xxx.xxx.xxx localhost.domain.com. IN A 127.0.0.1 webmail.domain.com. IN A xxx.xxx.xxx.xxx admin.domain.com. IN A xxx.xxx.xxx.xxx mail.domain.com. IN A xxx.xxx.xxx.xxx domain.com. IN MX 5 mail.domain.com. domain.com. IN TXT "v=spf1 a mx a:domain.com ip4:xxx.xxx.xxx.xxx ?all" domain.com. IN NS ns1 domain.com. IN NS ns2 ns1 IN A xxx.xxx.xxx.xxx ns2 IN A xxx.xxx.xxx.xxx Any double entries in different formats were part of my troubleshooting process.

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  • Ping bind errors in Operations Manager 2007

    - by Andrew Rice
    I am having an issue in SCOM 2007 R2. I am routinely getting the following errors: Failed to ping or bind to the RID Master FSMO role holder. The default gateway is not pingable. Failed to ping or bind to the Infrastructure Master FSMO role holder. The default gateway is not pingable. Failed to ping or bind to the Domain Naming Master FSMO role holder. The default gateway is not pingable. Failed to ping of bind to the Schema Master FSMO role holder. The default gateway is not pingable. The weird thing about these errors if I log into the server in question or if I log in to the SCOM server I can ping everything just fine. To top it all off the server in question is the role holder for 2 of the roles it is complaining about (RID and Infrastructure). Any thoughts as to what might be going on?

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  • postfix with mailman

    - by Thufir
    What should happen is that [email protected] should be delivered to that users inbox on localhost, user@localhost. Thunderbird works fine at reading user@localhost. I'm just using a small portion of postfix-dovecot with Ubuntu mailman. How can I get postfix to recognize the FQDN and deliver them to a localhost inbox? root@dur:~# root@dur:~# tail /var/log/mail.err;tail /var/log/mailman/subscribe;postconf -n Aug 27 18:59:16 dur dovecot: lda(root): Error: chdir(/root) failed: Permission denied Aug 27 18:59:16 dur dovecot: lda(root): Error: user root: Initialization failed: Initializing mail storage from mail_location setting failed: stat(/root/Maildir) failed: Permission denied (euid=65534(nobody) egid=65534(nogroup) missing +x perm: /root, dir owned by 0:0 mode=0700) Aug 27 18:59:16 dur dovecot: lda(root): Fatal: Invalid user settings. Refer to server log for more information. Aug 27 20:09:16 dur postfix/trivial-rewrite[15896]: error: open database /etc/postfix/transport.db: No such file or directory Aug 27 21:19:17 dur postfix/trivial-rewrite[16569]: error: open database /etc/postfix/transport.db: No such file or directory Aug 27 22:27:00 dur postfix[17042]: fatal: usage: postfix [-c config_dir] [-Dv] command Aug 27 22:29:19 dur postfix/trivial-rewrite[17062]: error: open database /etc/postfix/transport.db: No such file or directory Aug 27 22:59:07 dur postfix/postfix-script[17459]: error: unknown command: 'restart' Aug 27 22:59:07 dur postfix/postfix-script[17460]: fatal: usage: postfix start (or stop, reload, abort, flush, check, status, set-permissions, upgrade-configuration) Aug 27 23:39:17 dur postfix/trivial-rewrite[17794]: error: open database /etc/postfix/transport.db: No such file or directory Aug 27 21:39:03 2012 (16734) cola: pending "[email protected]" <[email protected]> 127.0.0.1 Aug 27 21:40:37 2012 (16749) cola: pending "[email protected]" <[email protected]> 127.0.0.1 Aug 27 22:45:31 2012 (17288) gmane.mail.mailman.user.1: pending [email protected] 127.0.0.1 Aug 27 22:45:46 2012 (17293) gmane.mail.mailman.user.1: pending [email protected] 127.0.0.1 Aug 27 23:02:01 2012 (17588) test3: pending [email protected] 127.0.0.1 Aug 27 23:05:41 2012 (17652) test4: pending [email protected] 127.0.0.1 Aug 27 23:56:20 2012 (17985) test5: pending [email protected] 127.0.0.1 alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix default_transport = smtp home_mailbox = Maildir/ inet_interfaces = loopback-only mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/conf.d/01-mail-stack-delivery.conf -m "${EXTENSION}" mailbox_size_limit = 0 mailman_destination_recipient_limit = 1 mydestination = dur, dur.bounceme.net, localhost.bounceme.net, localhost myhostname = dur.bounceme.net mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 readme_directory = no recipient_delimiter = + relay_domains = lists.dur.bounceme.net relay_transport = relay relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_local_domain = $myhostname smtpd_sasl_path = private/dovecot-auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_tls_auth_only = yes smtpd_tls_cert_file = /etc/ssl/certs/ssl-mail.pem smtpd_tls_key_file = /etc/ssl/private/ssl-mail.key smtpd_tls_mandatory_ciphers = medium smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes tls_random_source = dev:/dev/urandom transport_maps = hash:/etc/postfix/transport root@dur:~# there's definitely a transport problem: root@dur:~# root@dur:~# root@dur:~# grep transport /var/log/mail.log | tail Aug 27 22:29:19 dur postfix/trivial-rewrite[17062]: warning: hash:/etc/postfix/transport lookup error for "[email protected]" Aug 27 22:29:19 dur postfix/trivial-rewrite[17062]: warning: transport_maps lookup failure Aug 27 23:39:17 dur postfix/trivial-rewrite[17794]: error: open database /etc/postfix/transport.db: No such file or directory Aug 27 23:39:17 dur postfix/trivial-rewrite[17794]: warning: hash:/etc/postfix/transport is unavailable. open database /etc/postfix/transport.db: No such file or directory Aug 27 23:39:17 dur postfix/trivial-rewrite[17794]: warning: hash:/etc/postfix/transport lookup error for "*" Aug 27 23:39:17 dur postfix/trivial-rewrite[17794]: warning: hash:/etc/postfix/transport is unavailable. open database /etc/postfix/transport.db: No such file or directory Aug 27 23:39:17 dur postfix/trivial-rewrite[17794]: warning: hash:/etc/postfix/transport lookup error for "*" Aug 27 23:39:17 dur postfix/trivial-rewrite[17794]: warning: hash:/etc/postfix/transport is unavailable. open database /etc/postfix/transport.db: No such file or directory Aug 27 23:39:17 dur postfix/trivial-rewrite[17794]: warning: hash:/etc/postfix/transport lookup error for "[email protected]" Aug 27 23:39:17 dur postfix/trivial-rewrite[17794]: warning: transport_maps lookup failure root@dur:~# trying to add the transport file: EDIT root@dur:~# root@dur:~# touch /etc/postfix/transport root@dur:~# ll /etc/postfix/transport -rw-r--r-- 1 root root 0 Aug 28 00:16 /etc/postfix/transport root@dur:~# root@dur:~# cd /etc/postfix/ root@dur:/etc/postfix# root@dur:/etc/postfix# postmap transport root@dur:/etc/postfix# root@dur:/etc/postfix# cat transport

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  • Route forwarded traffic through eth0 but local traffic through tun0

    - by Ross Patterson
    I have a Ubuntu 12.04/Zentyal 2.3 server configured with WAN NATed on eth0, local interfaces eth1 and wlan0 bridged on br1 on which DHCP runs, and an OpenVPN connection on tun0. I only need the VPN for some things running on the gateway itself and I need to make sure that everything running on the gateway goes through the VPNs tun0. root:~# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default gw... 0.0.0.0 UG 100 0 0 eth0 link-local * 255.255.0.0 U 1000 0 0 br1 192.168.1.0 * 255.255.255.0 U 0 0 0 br1 A.B.C.0 * 255.255.255.0 U 0 0 0 eth0 root:~# ip route 169.254.0.0/16 dev br1 scope link metric 1000 192.168.1.0/24 dev br1 proto kernel scope link src 192.168.1.1 A.B.C.0/24 dev eth0 proto kernel scope link src A.B.C.186 root:~# ip route show table main 169.254.0.0/16 dev br1 scope link metric 1000 192.168.1.0/24 dev br1 proto kernel scope link src 192.168.1.1 A.B.C.0/24 dev eth0 proto kernel scope link src A.B.C.D root:~# ip route show table default default via A.B.C.1 dev eth0 How can I configure routing (or otherwise) such that all forwarded traffic for other hosts on the LAN goes through eth0 but all traffic for the gateway itself goes through the VPN on tun0? Also, since the OpenVPN client changes routing on startup/shutdown, how can I make sure that everything running on the gateway itself loses all network access if the VPN goes down and never goes out eth0.

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  • Server 2008 NAT Internet Not Working

    - by Jack
    I'm trying to set up Routing and Remote Access on Windows Server 2008 R2, I have a network connection that I want to share the internet from to another private network. The server has two NICs which are configured as follows: External NIC (Dynamically assigned by ISP) IP:10.175.4.150 Subnet:255.255.192.0 Gateway:10.175.0.1 DNS:10.175.0.1 Internal NIC IP:172.16.254.1 Subnet:255.255.255.0 Gateway:None DNS:None I have set the external NIC to be the public interface and enabled NAT on it in the RRAS MMC and set the internal NIC to be a private interface. I have also set up the DNS forwarding or whatever it is in the NAT section. From a client (IP:172.16.254.2) I can ping the server and access files on it, when I try to browse the web with the default gateway set to the internal NIC ip I end up getting a 404 page which is returned from the ISPs default gateway. I'm guessing it's something to do with the double NAT possibly. Trying to ping the ISPs default gateway from a private network client just times out as does accessing it directly. I've disabled and reconfigured RRAS multiple times and that doesn't seem to have made a difference, so can anyone tell me what I'm doing wrong? Thanks.

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  • Mikrotik and NAT/Routing issue

    - by arul
    I have basic NAT/Routing problem with Mikrotik RB750 that I've been unable to solve over the past days. From our ISP we have 26 IP addresses: 10.10.10.192/27, with 10.10.10.193 being the gateway and 10.10.10.194 the first available IP. What I need is that everything connected to ether2 gets a public IP from the DHCP server, and everything connected to ether3 gets a local IP from another DHCP (192.168.100.0/24). All clients should have internet access (I'll figure out bandwidth throttling later) and optimally just 'see' each other (all boxes are Win7, I guess this can ultimately be handled with VPN). Here is my setup: ether1 (10.10.10.194) is connected directly to ISP. 20 clients connected to ether2(10.10.10.195), and another 20 to ether3(10.10.10.196) (both through same 24 port switches). This is my setup, which doesn't work, all 20 clients from ether2 can access the internet, though all comm. seems to come from 10.10.10.194 (is this due to the masquerade on ether1?), and ether3 can't access the internet at all. I think that I need to masquerade ether3, and SNAT/DNAT or NETMAP ether2, but that doesn't work either, I guess that I need to somehow 'wire' both ether2+3 to ether1. Address list: # ADDRESS NETWORK INTERFACE 0 ;;; public 10.10.10.194/32 10.10.10.192 ether1-gateway 1 ;;; inner DHCP 192.168.100.0/24 192.168.100.0 ether3-private 2 ;;; public 10.10.10.195/32 10.10.10.192 ether2-pub 3 ;;; public 10.10.10.196/32 10.10.10.192 ether3-private NAT 0 ;;; ether3 nat chain=srcnat action=src-nat to-addresses=10.10.10.196 src-address=192.168.100.0/24 out-interface=ether3-private 1 ;;; ether3 nat chain=dstnat action=dst-nat to-addresses=192.168.100.0/24 in-interface=ether3-private 2 ;;; ether1 masquerade chain=srcnat action=masquerade to-addresses=10.10.10.194 out-interface=ether1-gateway Routes: # DST-ADDRESS PREF-SRC GATEWAY DISTANCE 0 A S 0.0.0.0/0 ether1-gateway 1 2 A S 10.10.10.192/27 10.10.10.195 ether2-pub 1 3 ADC 10.10.10.192/32 10.10.10.195 ether2-pub 0 ether1-gateway ether3-private 4 ADC 192.168.100.0/24 192.168.100.0 ether3-private 0 IP Pools: # NAME RANGES 0 public-pool 10.10.10.201-10.10.10.220 1 private-pool 192.168.100.2-192.168.100.254 DHCP configs: # NAME INTERFACE RELAY ADDRESS-POOL LEASE-TIME ADD-ARP 0 public-dhcp ether2-pub public-pool 3d 1 private-dhcp ether3-private private-pool 3d Thanks!

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  • IPSec for LAN traffic: Basic considerations?

    - by chris_l
    This is a follow-up to my Encrypting absolutely everything... question. Important: This is not about the more usual IPSec setup, where you want to encrypt traffic between two LANs. My basic goal is to encrypt all traffic within a small company's LAN. One solution could be IPSec. I have just started to learn about IPSec, and before I decide on using it and dive in more deeply, I'd like to get an overview of how this could look like. Is there good cross-platform support? It must work on Linux, MacOS X and Windows clients, Linux servers, and it shouldn't require expensive network hardware. Can I enable IPSec for an entire machine (so there can be no other traffic incoming/outgoing), or for a network interface, or is it determined by firewall settings for individual ports/...? Can I easily ban non-IPSec IP packets? And also "Mallory's evil" IPSec traffic that is signed by some key, but not ours? My ideal conception is to make it impossible to have any such IP traffic on the LAN. For LAN-internal traffic: I would choose "ESP with authentication (no AH)", AES-256, in "Transport mode". Is this a reasonable decision? For LAN-Internet traffic: How would it work with the internet gateway? Would I use "Tunnel mode" to create an IPSec tunnel from each machine to the gateway? Or could I also use "Transport mode" to the gateway? The reason I ask is, that the gateway would have to be able to decrypt packages coming from the LAN, so it will need the keys to do that. Is that possible, if the destination address isn't the gateway's address? Or would I have to use a proxy in this case? Is there anything else I should consider? I really just need a quick overview of these things, not very detailed instructions.

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  • Wireless internet connection connects but internet does not work (no packets received). Wired does.

    - by Rodney
    When I connect my PC via ethernet cable to my ADSL router it works fine. When I connect via Wireless it connects and the internet will work for a random amount of time and then stop working. It stays connected with a strong signal but no packets are received. My laptop/iphone are right next to it and wireless works fine. If I open the Wireless USB status, it says it is connected to my SSID with full strength (54 mps - I am 3 meteres away from my router) and the activty shows as Packets 594 SENT and 105 RECEIVED (this goes up VERY slowly) I have tried the following: Turned off anitvirus and firewall completely. Tested the wifi signal- I am writing this on my laptop which is next to my PC and also has full wifi strength. Tried a different wireless adapter - I dug out an old PCI wireless card - it does the exact same thing. Compared all wireless settings to my laptop. I can ping google.com and it replies (sometimes with packet loss) When I reboot the PC it will connect for a minute or two (random time) and then just stops again. I tried Firefox, IE etc. no joy I have updated all latest versions (Netgear WG111v2) and drivers Checked Event Log - nothing unusual Ping the router (and even connect as admin for the few minutes when the internet does work) Changed the MTU down to 1200 using DrTCP Checked Device Manager for conflicts - none. I ping the router from the PC (192.168.0.10 - 192.168.0.1) and it replies with 4 packets. BUT, on my router admin page (which I access via http on my laptop wirelessly) - if I ping 192.168.0.10 all packets timeout (pinging my laptop 192.168.0.12 works fine) My router admin page shows the leased IP address for 192.168.0.10 (ie it is definitely talking to the router initially) Now I am out of ideas - please help. I think it is an OS/Software issue as I have tried 2 different wireless adapaters (PCI and USB) with the same result but all other wireless devices work fine around mine). It's not the firewall. It is getting assigned an IP address correctly (my PC gets 192.168.0.10, my laptop is .12) It is assigned by DHCP. As soon as I plug in the ethernet cable it all works fine. Repairing the adapter sometimes helps but it will always stop working after a random time. The wireless adapter always shows as connected with Excellent signal but the internet does not work. I am running Windows XP SP3 and have tried a Netgear WG111v2 USB adapter. Thanks in advance! UPDATE: The internet seems to be working, it is just either sending packets too small or slow to work (some small pages load bits of them very slowly but then hang). XP seems to have a networking diagnostic app - here is the output: Last diagnostic run time: 08/30/10 08:16:38 IP Configuration Diagnostic Invalid IP address info Valid IP address detected: 192.168.0.10 IP Layer Diagnostic Corrupted IP routing table info The default route is valid info The loopback route is valid info The local host route is valid info The local subnet route is valid Invalid ARP cache entries action The ARP cache has been flushed Gateway Diagnostic Gateway info The following proxy configuration is being used by IE: Automatically Detect Settings:Disabled Automatic Configuration Script: Proxy Server: Proxy Bypass list: info This computer has the following default gateway entry(ies): 192.168.0.1 info This computer has the following IP address(es): 192.168.0.10 info The default gateway is in the same subnet as this computer info The default gateway entry is a valid unicast address info The default gateway address was resolved via ARP in 1 try(ies) info The default gateway was reached via ICMP Ping in 1 try(ies) info TCP port 80 on host 65.55.12.249 was successfully reached info The Internet host www.microsoft.com was successfully reached info The default gateway is OK DNS Client Diagnostic DNS - Not a home user scenario info Using Web Proxy: no info Resolving name ok for (www.microsoft.com): yes No DNS servers DNS failure HTTP, HTTPS, FTP Diagnostic HTTP, HTTPS, FTP connectivity info FTP (Passive): Successfully connected to ftp.microsoft.com. info HTTP: Successfully connected to www.microsoft.com. warn HTTPS: Error 12002 connecting to www.microsoft.com: The operation timed out warn HTTPS: Error 12002 connecting to www.passport.net: The operation timed out error Could not make an HTTPS connection. info Redirecting user to support call WinSock Diagnostic WinSock status info All base service provider entries are present in the Winsock catalog. info The Winsock Service provider chains are valid. info Provider entry MSAFD Tcpip [TCP/IP] passed the loopback communication test. info Provider entry MSAFD Tcpip [UDP/IP] passed the loopback communication test. info Provider entry RSVP UDP Service Provider passed the loopback communication test. info Provider entry RSVP TCP Service Provider passed the loopback communication test. info Connectivity is valid for all Winsock service providers. Wireless Diagnostic Wireless - Service disabled Wireless - User SSID action User input required: Specify network name or SSID Wireless - First time setup info The Wireless Network name (SSID) to which the user would like to connect = RodSof Wifi. Wireless - Radio off info Valid IP address detected: 192.168.0.10 Wireless - Out of range Wireless - Hardware issue Wireless - Novice user Wireless - Ad-hoc network Wireless - Less preferred Wireless - 802.1x enabled Wireless - Configuration mismatch Wireless - Low SNR Network Adapter Diagnostic Network location detection info Using home Internet connection Network adapter identification info Network connection: Name=Local Area Connection 2, Device=Realtek RTL8168C(P)/8111C(P) PCI-E Gigabit Ethernet NIC, MediaType=LAN, SubMediaType=LAN info Network connection: Name=Wireless USB, Device=NETGEAR WG111v2 54Mbps Wireless USB 2.0 Adapter, MediaType=LAN, SubMediaType=WIRELESS info Both Ethernet and Wireless connections available, prompting user for selection action User input required: Select network connection info Wireless connection selected Network adapter status info Network connection status: Connected HTTP, HTTPS, FTP Diagnostic HTTP, HTTPS, FTP connectivity info FTP (Active): Successfully connected to ftp.microsoft.com. warn HTTP: Error 12007 connecting to www.microsoft.com: The server name or address could not be resolved warn HTTP: Error 12002 connecting to www.hotmail.com: The operation timed out warn HTTPS: Error 12002 connecting to www.passport.net: The operation timed out warn HTTPS: Error 12002 connecting to www.microsoft.com: The operation timed out error Could not make an HTTP connection. error Could not make an HTTPS connection.

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  • postfix: Temporary lookup failure for FQDN

    - by Thufir
    I'm using the FQDN of dur.bounceme.net which I want to resolve(?) to localhost. That is, I want mail to [email protected] to get delivered to user@localhost. I've tried following the Ubuntu guide on this and seem to be going in circles a bit. root@dur:~# root@dur:~# postfix stop postfix/postfix-script: stopping the Postfix mail system root@dur:~# postfix start postfix/postfix-script: starting the Postfix mail system root@dur:~# telnet dur.bounceme.net 25 Trying 127.0.1.1... telnet: Unable to connect to remote host: Connection refused root@dur:~# root@dur:~# telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 dur.bounceme.net ESMTP Postfix (Ubuntu) ehlo dur 250-dur.bounceme.net 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN mail from:[email protected] 250 2.1.0 Ok rcpt to:[email protected] 451 4.3.0 <[email protected]>: Temporary lookup failure rcpt to:thufir@localhost 451 4.3.0 <thufir@localhost>: Temporary lookup failure quit 221 2.0.0 Bye Connection closed by foreign host. root@dur:~# root@dur:~# grep telnet /var/log/mail.log Aug 28 00:24:45 dur postfix/smtpd[18256]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.0 <thufir@localhost>: Temporary lookup failure; from=<[email protected]> to=<thufir@localhost> proto=ESMTP helo=<dur> Aug 28 00:24:58 dur postfix/smtpd[18256]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.0 <[email protected]>: Temporary lookup failure; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dur> Aug 28 00:54:55 dur postfix/smtpd[18825]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.0 <[email protected]>: Temporary lookup failure; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dur> Aug 28 00:55:08 dur postfix/smtpd[18825]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.0 <thufir@localhost>: Temporary lookup failure; from=<[email protected]> to=<thufir@localhost> proto=ESMTP helo=<dur> root@dur:~# root@dur:~# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix default_transport = smtp home_mailbox = Maildir/ inet_interfaces = loopback-only mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/conf.d/01-mail-stack-delivery.conf -m "${EXTENSION}" mailbox_size_limit = 0 mailman_destination_recipient_limit = 1 mydestination = dur, dur.bounceme.net, localhost.bounceme.net, localhost myhostname = dur.bounceme.net mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 readme_directory = no recipient_delimiter = + relay_domains = lists.dur.bounceme.net relay_transport = relay relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_local_domain = $myhostname smtpd_sasl_path = private/dovecot-auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_tls_auth_only = yes smtpd_tls_cert_file = /etc/ssl/certs/ssl-mail.pem smtpd_tls_key_file = /etc/ssl/private/ssl-mail.key smtpd_tls_mandatory_ciphers = medium smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes tls_random_source = dev:/dev/urandom transport_maps = hash:/etc/postfix/transport root@dur:~#

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  • Issues configuring Exchange 2010 as well as SSL problems.

    - by Eric Smith
    Possibly-Relevant Background Info: I've recently moved up from icky shared hosting to a glorious, Remote Desktop-administrated VPS server running Windows Server 2008 R2. Even though I'm only 21 now and a computer science major, I've tried to play with every Windows Server release since '03, just to learn new things. What usually happens is inevitably I'll do something wrong and pretty much ruin the install. You're dealing with an amateur here :) Through the past few months of working with my new server, I've mastered DNS, IIS, got Team Foundation Server running (yay!), and can install all of the other basics like SQL Server and Active Directory. The Problem: Now, these last few weeks I've been trying to install Exchange Server 2010 (SP1). To make a long story short, it took me several attempts, and I even had to get my server wiped just so I could start fresh since Exchange decided uninstalling properly was for sissies (cost me $20, bah). Today, at long last, I got Exchange mostly working. There were two main problems left, however, that left me unsatisfied: Exchange installed itself and all of its child sites into Default Web Site. I wanted to access Exchange via mail.domain.com, but instead everything was configured to domain.com. My limited server admin knowledge was not enough to configure IIS or Exchange to move itself over to the website I had set up for it, appropriately titled 'mail.domain.com', which I had bound to a dedicated IP address (I was told this was necessary, but he may have been wrong). I have two SSL certificates: one for my main domain and one for my mail subdomain. For whatever reason, I had issues geting Exchange to use my mail certificate, even though I had assigned the proper roles in the MMC. I did, at one point, get it to work (or mostly work, anyways. Frankly, my memory of today is clouded by intense frustration). Additionally, I was confused which type of SSL certificate I should be using for Exchange. My SSL provider, GoDaddy, allows me to request a new certificate whenever, so I can use either the certificate request provided by IIS or the more complicated and specific request you can create with Exchange. Which type should I be using, the IIS or Exchange certificate? If I must use the Exchange certificate, will that 1) cause issues when I bind that certificate to my mail.domain.com subdomain or 2) is that an unnecessary step? The SSL Certificate Strikes Back When I thought I had the proper SSL certificate assigned for those brief, sweet moments, Google Chrome reported the correct mail.domain.com certificate when browsing https://mail.domain.com. However, Outlook 2010 threw up an error when trying to configure my email account claiming that the certificate didn't match the domain of "mail.domain.com". Is this an issue that will be resolved by problem #2 or is it a separate one entirely? Apologies for the massive wall of text, but I wanted to provide as much info as I possibly could. Exchange is the last thing I'd like installed on my server, and naturally it's turning out to be the hardest. Thanks for any info at all. Even a point in a vague direction would be a huge help at this point. Thanks! -Eric P.S.: The reason I keep ruining my install is that when I attempt to uninstall Exchange, something invariably goes wrong. The last time the uninstaller complained that there was still a mailbox active and it couldn't proceed until I deleted it. ... The only mailbox left was the Administrator account, the built-in one I couldn't delete. So I attempted to manually uninstall it following several guides online only to now be stuck unable to launch the installer and have to get my system wiped AGAIN for the second time today ($40 down the drain, bah!). I do not understand at all why "uninstall" just can't mean "hey, you, delete everything and go away". There's not even a force uninstall option, only a "recover system" option that just fails to fix anything and makes it so I can't even use the GUI uninstaller. </rant>

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  • Site to site VPN using RRAS from an untrusted network?

    - by DrZaiusApeLord
    Our remote office will be moving to a new space where internet will be provided. They'll be behind a router doing NAT (I do not have admin rights to this router). They will be sharing a printer with the other people on the LAN, but will need VPN to our network for email and file shares. I was thinking of just having them run the windows VPN client and connecting via PPTP like they do when they are off-site, but I have read that multiple PPTP connections from the same NAT'd address to the same destination doesn't work well or at all. I am thinking some kind of site-to-site VPN is needed so there is just one tunnel. Can I just put in a VPN gateway, set it to connect to our RRAS/PPTP server, and have them use it as their default gateway? Perhaps even use the local default gateway for internet traffic. If so, what VPN gateway/device is recommended for this? Or other solutions? Thanks.

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  • How to set up port forwarding on a dedicated server running CentOS 5.4 to use Ubuntu 9.0.4

    - by mairtinh
    The basic situation that I have is a dedicated server running CentOS 5.4 At the moment I have one VM running Ubuntu 9.0.4. Later on, I will want to add another VM running Windows Server 2003 but at the moment I am focusing on getting Ubuntu up and running. The Ubuntu installation is working fine but I'm seriously struggling to get port forwarding working so that I can access websites to be hosted on the Ubuntu VM. As a newbie to Linux, I am confused about the relationship between IPTables and VMWare's own port forwarding. Here's what I've tried so far. The IP of my server is xxx.xxx.xxx.xxx and the provider support have told me that the subnet mask is 255.255.255.0, the gateway address is xxx.xxx.xxx.1 and the network address is xxx.xxx.xxx.0. (Those latter two surprise me a bit, I expected private gateway/network address rather than public ones.) First of all I tried Bridged Networking but had no success at all in communicating with the machine other than through the VMware console. I tried pinging it from the host (using ssh into the host) but no joy; also no Inernet access from the VM. I changed the interfaces configuration from DHCP to Static, using a static address of 192.168.1.100 and setting the gateway to xxx.xxx.xxx.1 as advised by the provider. No real difference, still cannot ping the guest from the host or vice versa and no Internet access from the guest. Then I tried NAT. The host automatically set the IP address to 192.168.132.128 with a gateway of 192.168.132.2 Now the guest has Internet access out and when I do a VNC to the host and open Firefox with 192.168.132.128 I can see the hosted website okay but I still cannot get into it from outside. I mentioned that I'm a bit confused about IPtables and VMware port forwarding, what I meant is that I'm not sure whether IPtable forwarding should be set to the IP address of the guest interface (192.168.132.128 in this case) or the gateway address 192.168.132.2 . I have a feeling that I'm missing something very simple here, can anybody tell me what it is?

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