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• if I define `my_domain`, postfix does not expand mail aliases

  - by Norky

  I have postfix v2.6.6 running on CentOS 6.3, hostname priest.ocsl.local (private, internal domain) with a number of aliases supportpeople: [email protected], [email protected], [email protected] requests: "|/opt/rt4/bin/rt-mailgate --queue 'general' --action correspond --url http://localhost/", supportpeople help: "|/opt/rt4/bin/rt-mailgate --queue 'help' --action correspond --url http://localhost/", supportpeople If I leave postfix with its default configuration, then the aliases are resolved correctly/as I expect, so that incoming mail to, say, [email protected] will be piped through the rt-mailgate mailgate command and also be delivered (via the mail server for ocsl.co.uk (a publicly resolvable domain)) to [email protected], user2, etc. The problem comes when I define mydomain = ocsl.co.uk in /etc/postfix/main.cf (with the intention that outgoing mail come from, for example, [email protected]). When I do this, postfix continues to run the piped command correctly, however it no longer expands the nested aliases as I expect: instead of trying to deliver to [email protected], user2 etc, it tries to send to [email protected], which does not exist on the upstream mail server and generates NDRs. postconf -n for the non-working configuration follows (the working configuration differs only by the "mydomain" line. alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 html_directory = no inet_interfaces = all inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost mydomain = ocsl.co.uk newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop unknown_local_recipient_reject_code = 550 We did have things working as we expected/wanted previously on an older system running Sendmail.

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• Euro character messed up during FTP transfer

  - by djechelon

  My customer is using a very outdated ecommerce management system on my hosting service. For that product, no support is being provided anymore by the vendor. Brief explanation: the shop website, that claims to run under LAMP stack, is built by an old Visual Basic Windows application running on MS Access. The user constructs the shop, defines the HTML template, adds products and categories, etc. Then the VB exe builds the PHP pages (one for each template page) and the SQL script to run on MySQL. It also uploads everything via FTP and runs the installation/upgrade script on its own. The problem Browsing the website, many products' descriptions are cut before the euro sign. For example, what was supposed to be "Product price €1000" becomes "Product price" The analysis MySQL contains a cutted description until the € sign, so it's not PHP fault The Access databases contain full description with € sign, so it's not fault of the webmaster writing bad description or eDisplay cutting them The SQL that will run once the site gets uploaded, stored on my local machine before upload, contains the € sign The same script, after being FTPed by eDisplay and opened with nano from SSH, shows the € sign messed up like this: ^À vsftpd log reports (obfuscated for privacy) Sat Dec 15 11:16:57 2012 22 xxx.xxx.128.13 1112727 /srv/www/domains/xxxxxx.it/htdocs/db.sql b _ i r xxxxxxx ftp 0 * c which seems to be a binary transfer (and also a huge security vulnerability because you can download the whole database from unauthenticated HTTP) The eDisplay internal FTP client provides no option for ascii/binary transfer modes [Add] Trying to manually upload the SQL file via SFTP shows messing up euro [Add2] Trying to manually upload using Xftp client with explicit ASCII mode doesn't fix too It looks like the file gets uploaded as binary. Perhaps on the customer's previous host it all worked fine because that was a Windows host. The server It's an Azure virtual machine running openSUSE 12.2 with both vsftpd and openSSH The question Without asking the customer to manually upload files using FileZilla or replacing € with &euro;, because he refuses, what can I do on server side to prevent vsftpd to screw up euro sign?

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• 2 Computers, same network, different outgoing speeds when uploading to internet?

  - by user117339

  I have 2 work machines in my office, a PowerMac G5 and a MacBook Air. Both behind an IPCop firewall. The PowerMac is connected through a gigabit switch, the MacBook Air is connected through a Netgear 802.11g access point that is then plugged into the gigabit switch. There is also a FreeNAS box, both machines are able to read and write files to it at close to their pipe speeds. The main problem is when I am trying to upload files to the internet at large. The G5 is only hitting 0.1 - 0.25 Mbps. The Macbook is able to hit 2-3 Mbps. The setup (G5 / IPCop / Network) has been the same for 5 years. The issues with the internet speed started about 3 months ago. I hadn't tested on the Macbook at this point. I had complained to the ISP, they said their modem needed a firmware update, did that nothing changed. Reset IPCop, turned off squid, etc. No changes. The ISP switched the office over to a better plan with a theoretical 6 Mbps up, still no change. At this point I tried testing the Macbook, and lo and behold there's the speed. But why? I have tried changing out everything, cables, switches, using another ethernet port on the G5, wiping the system, using DHCP, using manual IPs, changing DNS servers, etc. Nothing works. I figured that if there was something horribly wrong with the network, then internally I would find a similar issue, but that is perfect. iperf, ping, etc show no dropped packets and near saturation of the internal network. I'm at a loss as to what the heck is going on. Any ideas would be appreciated! Below are some screenshots of speedtest.net: G5: Macbook Air:

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• Router(s) Issue: DNS quries sporadically fail with multiple computers hooked in

  - by bob-the-destroyer

  Basically, after anywhere from 5-60 minutes, DNS queries fail for a few minutes, then slowly begin to resolve correctly. Then the cycle repeats. This occurs only when more than one computer is on the network. All computers on the network experiences the same sporadic DNS outage at the same time. Wireless or wired, Linux or Windows, fresh OS install or old, browser or ping, same symptoms. Duplicated on 3 routers (not chained together, mind you) and 3 ISP's and 3 separate locations over the past several months. The only common theme is a single 5-yo WIN XP laptop which has been in use on the network throughout all this. There also may be anywhere between 1 - 10 devices hooked up wired or wirelessly at a time. The only reprieve I have from this torture is by using any VPN to an outside source - always smooth sailing. I typically set up any router to a) use WPA2/etc security; b) MAC whitelist; c) UPNP OFF (if available); d) always update firmware when available; e) obtain DNS from ISP automatically; f) set the router to act as DHCP server for the internal network. Adjusting channels has no effect. Any ideas?

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• ASA 5505 VPN setup. VPN works but still unable to reach devices in the inside network.

  - by chickenloop

  I've setup a Remote Access VPN on my Cisco ASA 5505. I'm able to connect to my ASA via my phone or the Cisco client, but I'm unable to reach devices in my inside LAN when connected via VPN. The setup is the following: Inside Network : 10.0.0.0/24 VPN_POOL: 172.16.0.0/24 Outside Network: 192.168.1.0/24 ASA is not the perimeter router, there is another device on the 192.168.1.0/24 network which is connected to my cable provider. Obviously UDP port 500 and 4500 are forwarded to the ASA's outside interface. Everything works perfectly, besides the VPN stuff. Config: interface Vlan1 nameif inside security-level 100 ip address 10.0.0.254 255.255.255.0 interface Vlan2 description Outside Interface nameif outside security-level 0 address 192.168.1.254 255.255.255.0 object network VPNPOOL subnet 172.16.0.0 255.255.255.0 object network INSIDE_LAN subnet 10.0.0.0 255.255.255.0 Then the exempt NAT rule. nat (inside,outside) source static INSIDE_LAN INSIDE_LAN destination static VPNPOOL VPNPOOL I don't think that the problem is with the VPN config, as I can successfully establish the VPN connection, but just in case I post it here: group-policy ZSOCA_ASA internal group-policy ZSOCA_ASA attributes vpn-tunnel-protocol ikev1 split-tunnel-policy tunnelspecified split-tunnel-network-list value Split-Tunnel default-domain value default.domain.invalid tunnel-group ZSOCA_ASA type remote-access tunnel-group ZSOCA_ASA general-attributes address-pool VPNPOOL default-group-policy ZSOCA_ASA tunnel-group ZSOCA_ASA ipsec-attributes ikev1 pre-shared-key ***** Any ideas are welcome. Regards.

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• Two network adapters in one WindowsXP PC, how to make them work?

  - by Deele

  I have a need to set up network so I can use two ethernet cards inside one Windows (Windows XP SP2) based PC, one for internet connection, second, for internal LAN. How should I configure each NIC, with what IP's, subnet masks and gateways, so I can use inernet on my PC and get in touch with devices on my LAN? I have found that there are some sort of re routing nessesary inside my PC, but how does it work? I have already set up some configuration already, but I can't use it together with PC #1 NIC #1 connected. I need to disconnect, to access NIC WEB interface. Current configuration: Switch #1 and PC #1 NAS #2 are gigabit one's, so I could access NAS with gigabit speed. PC #1 NIC #1 IP XX.XXX.162.106 SN 255.255.255.248 GW XX.XXX.162.105 PC #1 NIC #2 IP 10.0.0.1 SN 255.255.0.0 GW 0.0.0.0 NAS #1 NIC #1 IP 10.0.0.12 SN 255.255.0.0 GW 0.0.0.0 My question is - what exact configuration should I do for every NIC in this LAN, so it would work? Is it possible to achieve internet access for Laptop, that is inside that NIC #2 LAN (should I just set up basic ICS)?

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• Postfix not delivering from external senders and not logging anything

  - by simendsjo

  Some semi-recent upgrades must have broken my postfix+dovecot configuration, but I'm having problems finding out what the cause is. My domain is simendsjo.me with the MX record mail.simendsjo.me. I can send mail to both local and external recipients, and it delivers mail from internal mailboxes. The problem is that mail from external senders isn't delivered, and nothing is logged at all. The external sender also doesn't receive any errors. I have no idea where to ever start looking as nothing is logged at all when external mail is sent to my server. So the first issue would be: How can I turn on some debug messages for postfix? I've tried: debug_peer_level = 2 debug_peer_list = simendsjo.me .. And _level = 999 and _list = gmail.com where I'm trying to send emails from. but nothing is logged. When sending mails from a local mailbox (but from an outside computer, not localhost), a lot is logged. I don't have any rules in iptables either. Any ideas how I can get some debug messages for postfix?

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• Upgrading to Java 7u65 breaks my Deployment Rule Set for Oracle applications

  - by Don Atreides

  My company uses an older version of an Oracle application that requires Java 6u45. Naturally we want to be secure, so we use a Deployment Rule Set to specify 6u45 for that internal application and let other applications use 7u60. Now that we're ready to upgrade the Java 7 half to 7u67, the Oracle application breaks with "Deployment Rule Set required version 1.6.0_45 not available." Of course it is available, it just can't find it for some reason. As a test, I specified that JavaTester.org should use 6u45 also and it works fine with no issues. But when I try to use the same configuration (7u67 and 6u45) against the Oracle application it fails every time. If I downgrade to 7u60, it works. 7u65 or higher, it breaks. The Oracle application hasn't changed so it must be something different in how 7u65+ is handling Deployment Rule Sets or pathing or something. I'm at a complete loss. ruleset.xml: <?xml version="1.0"?> -<ruleset version="1.0+"> -<rule> <id location="*.mycorp.com"/> <action version="1.6.0_45" permission="run"/> </rule> -<rule> <id location="http://javatester.org"/> <action version="1.6.0_45" permission="run"/> </rule> </ruleset>

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• Setting up test an dlive enviornment - how?

  - by Sean

  I am a bit new to servers and stuff so had a question. I have my development team working on my website. They are in different countries and currently they put all the work live on the test site. But the test site is open to anyone who knows the URL. It is behind a directory but this effects my QA process because i cannot use the accurate URL structures to prevent the general public from seeing it. So what I want to do it: Have my site live on the net but only for me and my team, so like an internal network. Also I will need to mirror this to my live site when i put it live. So i guess this is something like setting up a staging and live environment. So how to do it and are both environments on the same physical server or do i need to buy two servers? And if i setup a staging environment how will i access it and my team since we are all spread out so i assume we need to log into something to access it? What about the URL - do i need a different URL for the test site or can i use the same live url for the test site? I plan to get a dedicated server + CDN for my site.

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• Shared External Drive Permission Issues

  - by connec

  So, say I share my system (C) drive through windows (E.g. properties -> Sharing -> Advanced Sharing -> Share this Folder). I can then access this drive at \\Comp\C on another networked computer - all is well. However, if I insert a removable (USB) disk, say "E", and proceed to share it the same way, when I attempt to access \\Comp\E (either directly or through browsing) I get an error: Windows cannot access \\Comp\E You do not have permission to access \\Comp\E. Contact your network administrator to request access. Now, the permissions (Advanced Sharing -> Permissions) are set with "Everyone" having read access (same as the internal drive), so this doesn't make a lot of sense. Also of note, I have an SSH server on my computer (through Cygwin) and even through SSH (logging in as an administrator user) I cannot access /cygdrive/e (although /cygdrive/c is accessible). As a final note, the drive is of course accessible on the host machine (E:\), and also at \\Comp\E on the host machine.

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• Why am I getting a Sharepoint error on a simple "hello world" web page?

  - by Fetchez la vache

  I've been granted admin access to an internal IIS server on which I need to set up a web site. Before doing anything technical I wanted to ensure that I could access the server, but when attempting to access a simple page (that does not refer to Sharepoint) at http://localhost/index.html when logged onto the server directly, I am getting Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Could not load file or assembly 'Microsoft.SharePoint' or one of its dependencies. The system cannot find the file specified. Source Error: Line 1: <%@ Assembly Name="Microsoft.SharePoint"%><%@ Application Language="C#" Inherits="Microsoft.SharePoint.ApplicationRuntime.SPHttpApplication" %> Source File: /global.asax Line: 1 Assembly Load Trace: The following information can be helpful to determine why the assembly 'Microsoft.SharePoint' could not be loaded. WRN: Assembly binding logging is turned OFF. To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1. Note: There is some performance penalty associated with assembly bind failure logging. To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog]. -------------------------------------------------------------------------------- Version Information: Microsoft .NET Framework Version:2.0.50727.5456; ASP.NET Version:2.0.50727.5456 To be quite honest I know zip about Sharepoint, so why am I getting a sharepoint error on a basic "hello world" html page? Cheers :) Update: I've since supposedly uninstalled Sharepoint, but am still getting this error. Any ideas welcome!

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• Removed Old Domain Trust. Now Progress (9.1D) can't open DB File

  - by RLH

  My company has an old server, running Progress 9.1D on a Windows 2000 VM, which was used by our company OS (Vantage 6 by Epicor.) Vantage was our primary OS for a very long time. About 2 years ago, we migrated to a larger, corporate OS and we cancelled our service contract with Epicor. Yesterday, we removed an AD trust between the corporate domain and our old AD domain we used in the days of Vantage. After restarting the virtual server, I have been able to start the ProService for 9.1D Windows service, however, I can not get Vantage to start back up. When I run the application, I get the error in the message listed below. Transcript: ** Could not connect to server for database [progress db file], errno 0. (1432) How can I fix this? FYI, I haven't had to work with Progress in years and even then I wouldn't have considered myself a "novice"-- I'm even less knowledgeable than that title would suggest. Vantage had a lot of internal tools and I recall that Epicor support managed to prevent .pf scripts from being executed. If there was a Progress specific patch that needed to be applied, you had to do it within the Vantage software OR they had to remote into the machine to fix this. I may not be able to run a .pf script but I do know that I can log into the console-based server application. (Yes, I can't even recall which utility that was called. It is sad.) It's been a long time and I never had to digg into Progress that much. Please help and feel free to ask questions. If you need more info, I'll update this post.

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• HDD dead forever???

  - by Roberto

  Yesterday I turned on my computer and it couldn't boot. I found out the hd (320GB SATA Seagate Momentus 7200.3 for notebook) was broken, it couldn't be recognized by the BIOS. I have another of the same hd, so I exchanged the boards. I found out that there is a problem on its board since my good hd didn't work. But the broken hd doesn't work with the good board as well: it can be recognized but when I insert a Windows Instalation DVD it says the hd is 0GB. I put it in a case and use it in another computer via USB, and but it doesn't show up in the "My Computer". I used a software to recover files called "GetDataBack for NTFS", it recognized the hd but with the wrong size (2TB). I try to make it read the hd but it get an I/O error reading sector. It tries to read, the hd spins... So, since I'm using a good board on it, the problem seems to be internal. Is there anything someone could do recover the files from it?

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• Windows 7 VPN only works if I connect it to itself first

  - by user1799075

  Just so you have some detail, VPN request are port forwarded from a linksys router hosting the global static IP (to the world) to the windows 7 machine. The ports have been added to the OK list. I have the incoming VPN connection setup on win 7 but the only way it will work from anywhere outside the physical machine is if I connect from itself to itself first. For example, let's say my internal static IP is 10.0.0.50 and incoming VPN server connection IP is 10.0.0.80 (both on the same machine). I can't connect via VPN from anywhere unless I first VPN from the machines .50 address back to itself on the .80 address. Once I do that, I can connect form anywhere, even my phone. It's as if once the machine reboots it thinks it should block requests on .80 until .50 connects first. BitDefender antivirus/firewall is loaded (windows firewall is off) I don't see anywhere to exclude ports in the BitDefender control panel. Maybe this initial connection opens the ports and tags them as safe because the initial request came from the same machine? Any thoughts? It's driving me nuts and I'm sick of having to drive half way across town over to the server, try to get building access and do the initial connection. Please help

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• I (stupidly) converted a TrueCrypt encrypted disk to GPT in Disk Management: now TrueCrypt won't mount it

  - by asilentfire

  Backstory: After moving a Macrium Reflect disk image from my TrueCrypt external drive (with whole disk encryption) onto a unencrypted drive and using Windows PE with Macrium Reflect to restore my internal disk to the recovery image on the external unencrypted drive, my Windows 8 failed to boot. I then went back and also recovered the System Partition (looking now, it is currently EFI), but I still couldn't boot into my backup.. I was in a hurry to get online for something so I just did a clean install of Windows 8, without the backup.. After I installed Windows 8, I went into Disk Management out of curiosity to see if there were other partitions with Windows 8 that Macruim might have missed, and there is (by default) a Recovery Partition of 100MB. My memory of this is hazy, as I was trying to get up and running for an exam at 4 AM: Something in Disk Management prompted me to convert my encrypted external drive to GPT.. I have no idea why I did this, but I went ahead and allowed it to convert my TrueCrypt drive to GPT. Now, I can't mount the drive in TrueCrypt.. Disk Management sees it as Disk 1, Basic, and Unallocated. I tried converting it back to MBR with Disk Management, but no dice with TrueCrypt :( If I try to mount the disk in TrueCrypt I get the message: Incorrect password or not a TrueCrypt volume I should never have messed with a Truecrypt drive in Disk Management, but I did. I have important college work in that drive, and fear I have lost it forever. PLEASE HELP

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• Exchange on SBS2003 not receiving mail, but sending via telnet works

  - by YDdraigLas

  Last week we had a problem on our SBS2003 server where our external connection dropped out and I was only able to restore it by running netsh winsock reset catalog and netsh int ip reset. Thinking all was well, I went home for the weekend and came in today to find that we haven't received any external emails since before the original problems occurred. There are plenty of examples of this on the internet, usually to do with a firewall issue, but the odd thing here is that when I connect using telnet I can send an email and it goes straight through and into my inbox. When I send an email from Gmail or Hotmail nothing comes through at all. Internal emails are also unaffected, as are outgoing emails. There have also been a couple of emails that have come through for other users, both out-of-office replies, if that's relevant. I've run the CEICW several times, checked all the NIC settings, but no joy. Before I give up trying to fix this and reinstall the whole server, has anyone come across this problem before? I have only found fleeting references to this in previous searches and no real answers. Any advice gratefully received.

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• PHP Web Server Solution (Apache/IIS)

  - by njk

  I apologize if this is too broad or belongs on Super User (please vote to move if it does). I'm in the process of creating requirements for an internal PHP web server to submit to our architecture team and would like to get some insight whether to use a Windows or *nix platform and what applications would be required. The server will host a small PHP application that will be connecting to SQL Server. The application will need to send mail. We would also like to incorporate a FTP server to allow files to be dropped in. From what I've read regarding a Windows platform using IIS, it seems as though IIS would only be advantageous if using a .NET or ASP application. Does IIS have mail functionality? Or how is mail traditionally configured (esp. on *nix)? Also, does IIS have directory configuration functionality like Apache does with .htaccess? For a Windows based solution; IIS (comes with FTP) Apache (has mod_ftp module) For a *nix based solution; Apache

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• Troubleshoot port forwarding. Could it be ISP blocking incoming connections?

  - by Gravy

  Had a new Axis IP camera delivered yesterday. Plugged into Cisco E2400 Wireless Router but having problems. Example topology: WAN IP: 10.10.10.10 (example) Cisco Router: 192.168.1.1 Axis Camera: 192.168.1.10:80 Port forwarding rules set up on router External Port: 999 Internal Port: 80 Protocol: TCP & UDP Device IP: 192.168.1.10:80 Enabled: True Trying to connect from within the lan to 192.168.1.1:80 from within browser - Works properly. Trying to connect from within the lan to 10:10:10:10:999 from within browser - Works properly. Trying to connect from outside the LAN (e.g. via 3g or another isp) to 10:10:10:10:999 from within browser - Doesnt work. I get the following errors from different machines / browsers: Safari could not open the page because the server stopped responding (IOS) The server at xx.xx.xx.xx is taking too long to respond. (firefox) This problem is not just for the Axis camera. I am also having similar problems connecting to my NAS drive. After using a web based port scanning tool, it appears as though port 999 is closed. Not certain why when I have set up port forwarding within the router. Any troubleshooting suggestions to help me determine whether the problem is with my Cisco settings / firewall or whether it could be my ISP blocking incoming connection requests? Many thanks

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• exchange server 2010 with multiple domains

  - by air

  i have one exchange server 2010, which is working fine with one domain. my exchange is working as follows pop3 collector collect emails from one master catchall account and then deliver to exchange server, this working perfect. now what i want to add another domain to same exchange, i have added new domain as trusted domain & email policy and this new domain email account works fine with internal emails. now what i have done, i again forward new email account to same catchall account. but if i send email from any other external email address email is bounce, i can see email receive by pop3 collector but bounce by exchange server. to make you more clear let me explain logic on which i am working. i have 2 domains 1. domain1.com ([email protected]) 2. domain2.com ([email protected] -->[email protected]) now on my machine with exchange server i have pop3 collector which collect all emails from [email protected] and forward to exchange 2010 server. all emails to domain1.com is working perfect but when i send email to [email protected] this email redirect to [email protected] perfectly but when exchanger server receive this email, it bounce. i have also study the url link text and follow the whole process but no success. i also check that my DNS/MX is working fine as the bounce message is going from my exchange server. EDIT the only problem is with accepted domain, as email come to exchange server then bounce back. i just try this today i create one user called test, then i goto his properties -- email there was only one email account [email protected] i try to send email to [email protected] from internet (email bounce) then again i go to test user properties -- email and Add one email [email protected] again u try to send email to t*[email protected]* from internet (email received) i think the only problem is with accepted domain but in hub transport , it shows accepted is there any way to check does domain is properly accepted or not in exchange 2010 server. Thanks

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• Cisco ASA 5505 network route for static IP hosts

  - by TheCapn

  I've configured my internal VLAN using the most basic settings where ports 1-7 are assigned from a pool of addresses in the range 192.168.15.5 - 192.168.15.36. These hosts are given access to the internet and it works great. What I'm trying to set up now is allowing users who are connected to the device and specify their IP (say I connect and request 192.168.15.45) are given internet access and can still work alongside DHCP hosts. Those with a DHCP assigned address are blocked from the internet. Mostly the issue resides in that I am very new to working with the device. I feel that the solution is easy but I'm not looking in the right spots and don't have the correct terminology down to google it. Do I need to define access control lists? Group policies? a new VLAN? The rules that are set up seem to be specific to the entire /24 subnet but when I request a static IP outside of the DHCP range I get blocked from other hosts and the internet.

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• Port 80 not accessible Amazon ec2

  - by Jasper

  I have started a Amazon EC2 instance (Linux Redhat)... And Apache as well. But when i try: http://MyPublicHostName I get no response. I have ensured that my Security Group allows access to port 80. I can reach port 22 for sure, as i am logged into the instance via ssh. Within the Amazon EC2 Linux Instance when i do: $ wget http://localhost i do get a response. This confirms Apache and port 80 is indeed running fine. Since Amazon starts instances in VPC, do i have to do anything there... Infact i cannot even ping the instance, although i can ssh to it! Any advice? EDIT: Note that i had edited /etc/hosts file earlier to make 389-ds (ldap) installation work. My /etc/hosts file looks like this(IP addresses as shown as w.x.y.z ) 127.0.0.1   localhost.localdomain localhost w.x.y.z   ip-w-x-y-z.us-west-1.compute.internal w.x.y.z   ip-w-x-y-z.localdomain

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• A server which uses 2 IPs and is needed to give service (under NAT)

  - by user6004

  I have an internal server, which uses a certain service. This service listens on a port, and speaks on a different port. The problem with the service is that it can't listen and speak on the same IP address, so I have configured 2 IP addresses for that NIC, and so I "solved" the problem with the listening and speaking. I have a problem though... I need that server to be NATed, with a public IP address, and that server needs to be available from the outside (and as only one IP)... The question is, how do I solve the situation here? If I do a NAT for one IP address (the listening port), then he will be able to get requests from the outside, but won't be able to send out traffic (because the other IP won't have NAT). If I do NAT on both of the IPs, then when traffic comes in for the listening port, it won't necessarily arrive to the listening IP, but rather to the speaking one. I hope I made myself clear and that there is a sensible solution here that I am missing.

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• Identifying test machines in analytics logs

  - by RTigger

  We're just beginning to add analytics to our SaaS application, to begin (among other things) billing clients based on usage. The problem we're running into is there's a few circumstances where our support team will simulate a log in into production to try to reproduce reported issues with a client's configuration. When they log in, an entry will be made into our analytics logs that their specific account has logged in, which we use to calculate billing. A few ideas we had to solve this: 1) We log IP addresses as well as machine keys for each PC that logs in - we could filter out known IP addresses and/or machine keys belonging to support. The drawback is we have to maintain a list of keys / addresses manually. 2) If support (or anyone else internal) runs our application in debug mode (as opposed to release), it will not report analytics. This is fine, as long as support / anyone else remembers to switch to debug mode. 3) Include some sort of reg key / similar setting required to be set when configuring a production system in order to send analytics. Again, fine, as long as our infrastructure team remembers to set the reg key or setting. All of these approaches require some sort of human involvement, which we all know can be iffy at best. Has anyone run into a similar situation? Is there an automated approach to this problem? (PS Of course, we shouldn't be testing in production, but there are a few one-off instances with customer set up that we can't reproduce without logging in as them in production. This is the only time we do so, and this is the case I'm talking about in this question.)

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• Can I use squid (or anything) to do this?

  - by user269334

  I have a really crappy VPS, and a really good computer at my office (with a really good internet connection), but behind a NAT. Is it possible to expose my good computer by doing this: 1. The good computer connects to the VPS (and keeps the connection alive) 2. The users connects to the VPS, and sends http(s) requests to the VPS. 3. The VPS just passes that http(s) requests to the good computer (including some identifications, so the servers can distinguish connections) 4. The good computer passes that http(s) response to the VPS 5. In turn, the VPS receives the http(s) response, and passes back to the client. Is it possible to do this? (btw, the VPS and the good computer are located in different countries) And also, is this "reverse proxy"? I heard that reverse proxy is for protecting the internal network by putting a middle server. And will this affect SSL configurations? (or make SSL impossible?) I'm intending to run nginx on the good computer. Thanks in advance : )

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• 2 Web Servers, 2 Domains, 1 WAN IP configuration

  - by Tillman32

  The Problem: I have 2 domains, 2 web servers, 1 WAN IP. This is on a home network, so I don't have any crazy router or anything with the right tools, at least I don't think I do. I have a Dlink DIR-655 router. I need to be able to forward the website to the right box. 1 server is hosting www.site1.com, and the other should be hosting, www.site2.com. I forwarded the domain, to a port that is forwarded to that box. wanip:1235, 1235 is then forwarded to the internal IP of site2's server. But when I go to www.site2.com I get the 404 page of www.site1.com. I need www.site2.com to go to the right server. Is this something I can do in the virtual hosts of www.site1.com or is it something else. Also, if this isn't entirely possible, or if its a big process, I can just move www.site1.com to the www.site2.com's server, and use virtual hosts, that is an option that I would be okay with.

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