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• Need help with an .htaccess URL redirector

  - by AlexV

  I'm trying to do another SEO system with PHP/.htaccess... I need the following rules to apply: Must catch all URLs that do not end with an extension (www.foo.com -- catch | www.foo.com/catch-me -- catch | www.foo.com/dont-catch.me -- don't catch). Must catch all URLs that end with .php* (.php, .php4...) (thwaw are the exceptions to rule #1). All rules must only apply in some directories and not in their subdirectories (/ and /framework so far). The htaccess must send the typed URL in a GET value so I can work with it in PHP. Any mod-rewrite wizard can help me?

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• Cannot redirect ip traffic with iptables to new ip on linux centOS

  - by Kiwi

  today I able to migrate some of the game servers to another server and needed some help to redirect the traffic from old ip to the new one. SERVER1 1.1.1.1 ----- (internet ) ----- SERVER 2.2.2.2 I asume to use iptables to perform this, for that used this rule on my centOS box in the server1. /etc/sysctl.conf: net.ipv4.ip_forward = 1 iptables -t nat -A PREROUTING -p udp --dest 1.1.1.1 --dport 27015 -j DNAT --to-destination 2.2.2.2:27015 iptables -t nat -A POSTROUTING -j MASQUERADE iptables -t nat -A POSTROUTING -d 2.2.2.2 -p udp --dport 27015 -j SNAT --to 1.1.1.1 But the client cannot connect to the server from the old ip, the redirection don't started.

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• Lighttpd referer issue

  - by Chris

  I have a problem to block files from accessing from different domains as my one. I have added to my lighty config in the "virual host" following: $HTTP["referer"] !~ "^($|http://www\.my-site\.net)" { url.access-deny = ( "" ) } but anyway the site www.example.com can access http://player.my-site.net/player.swf, also it can be accessed directly without a referrer. any idea? //EDIT here is my old apache .htaccess with a rewrite rule thats works perfect, but i dont know how to convert it for lighty: RewriteEngine on RewriteBase / RewriteCond %{HTTP_REFERER} !^http://my-site\.net/ [NC] RewriteCond %{HTTP_REFERER} !^http://www\.my-site\.net/ [NC] RewriteCond %{HTTP_REFERER} !^http://player\.my-site\.net/ [NC] RewriteCond %{HTTP_REFERER} !^http://stream\.my-site\.net/ [NC] RewriteRule .* - [L,R=404]

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• How to columnate text with tabs (in vim or on the shell)

  - by kine

  I have a frequent need to manually manipulate tab-delimited text for data entry and other purposes, and when i do this it helps if the text is aligned properly into columns. For example (assuming 4-space tabs): # original format abcdefghijklmnop field2 abcdefgh field2 abcdefghijkl field2 # ideal format abcdefghijklmnop field2 abcdefgh field2 abcdefghijkl field2 I am very familiar with using the column utility to columnate text this way, but the problem is that it uses spaces to align the columns, and i specifically need tabs. This requirement also appears to rule out the Tabularize plug-in. Is there any way that i can columnate text with tabs specifically, either within vim or at the shell? It looks like i might be able to do it with groff/tbl, but honestly i'd rather columnate it by hand than mess with that....

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• Sendmail Undeliverable Redirection?

  - by Dizzle

  Good afternoon; I don't know much about sendmail, so this may be fairly easy for those of you more experienced with it. We have an account, "[email protected]", sending reports to various groups. From time to time an undeliverable message will be sent back to "[email protected]". We'd like for those undeliverable messages to be rerouted, or bounced, from "[email protected]" to a group of our choosing. To carve out a scenario for clarity: [email protected] sends a report to [email protected] and [email protected] [email protected] has someone who's mail account no longer exists, triggering an undeliverable message being sent back to [email protected] Rather than having the undeliverable message sit in [email protected]'s Inbox, we'd like for it to be automatically rerouted/bounced to an admin group, [email protected] So I guess a "rule" of sorts. I've come across this solution: Sendmail : ignore local delivery But I don't know enough about sendmail to know if this is what will fit this situation. Any help is greatly appreciated.

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• Allowing outbound traffic with APF/iptables for OpenVZ container

  - by David

  I have apf installed on a OpenVZ container (proxmox 2.1). The config is pretty much vanilla and things are working. My external services like ssh and http are working. My problem is that all outbound traffic on http/https is blocked. How do I allow all outbound traffic for http/https. If I change EGF to 1 like this, all inbound and outbound traffic gets blocked EGF="1" EG_TCP_CPORTS="21,25,80,443,43,53" EG_UDP_CPORTS="20,21,53" EG_ICMP_TYPES="all" I opened a single outbound rule with the following # /usr/local/sbin/apf -a downloads.wordpress.org How do I allow all outbound traffic on http/https without blocking all traffic? Why would I allow all inbound ssh/http traffic and block all outbound traffic?

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• Cisco access list logging. Why is there a difference between IPv4 and IPv6?

  - by growse

  I've got a Cisco 877 router. I've got an IPv4 access list and an IPv6 access list set up and configured similar to this: interface Dialer1 ... ip access-group INTERET-IN ipv6 traffic-filter IPV6-IN Each of these access lists has a final rule of deny ip/ipv6 any any log. However, in my syslog I notice that there's a difference in formatting between the two types of entries. IPv4 will say: %SEC-6-IPACCESSLOGP: list INTERNET-IN denied udp 88.89.209.63(137) -> 1.2.3.4(137), 1 packet Whereas the IPv6 list will say %IPV6_ACL-6-ACCESSLOGNP: list IPV6-IN/240 denied 59 2001:0:5EF5:79FD:14F9:B773:3EBA:3EE3 (Dialer1) -> 2001:800:1000:0::1, 8 packets Both have broadly the same information, but the IPv6 log entry is missing the protocol type and port, both of which are very useful if I'm trying to troubleshoot connectivity. Why is this? How do I get IPv6 deny logs to display the protocol and port used, if any?

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• Sonicwall Global VPN Client fails to connect, despite successful connections from other computers from behind the same router

  - by JesperE

  I've recently been unable to connect to our Sonicwall VPN at work. The Sonicwall client is stuck on "connecting", and the log says "The peer is not responding to phase1 ISAKMP requests". The weird thing is that this is not an issue with my own PC, only my work laptop (Lenovo W530 running Windows 7 64-bit), and this has only appeared recently. This ought to rule out any problems with my ISP blocking VPN, or issues with the router itself. My company's IT department says that they cannot see anything in their logs when I'm trying to connect. My conclusion is that something is wrong on the laptop itself. Disabling the firewall does not help. Can the VPN connection be blocked in other ways? What should I be looking for? EDIT: This problem has "magically" disappeared, without any changes done in my network. I can only assume that this was caused by some network glitch with my ISP.

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• Installing a fake microphone on Windows Server.

  - by Adrian

  My application, that is running on Windows Server (which is an instance on Amazon EC2) requires Skype to be able to make phone calls. The server, of course, does not have a microphone installed and I don't need it to have one, because my application changes the input source to a wav file when the call is established. However, Skype has a strict rule that a microphone must be installed for a call to be made. Thus I want to install a fake microphone that will trick Skype's configuration. So far, I was able to start and run the Windows Sound service, which enabled all of the sound settings. Any ideas are very welcome!

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• No blocked ports on internal interface of ASA

  - by blsub6

  I have a cisco ASA 5505 with three interfaces: Internal (100), DMZ (50) and External (0). The internal has a IPSEC VPN tunnel to my internal network I couldn't log in to my domain because of all of the port restrictions and such. I tried monitoring the traffic through the interface, seeing what it's blocking and then unblocking those ports but even then it didn't work completely correctly I finally just added a rule to permit any ip traffic from any network to any network on the internal interface and, of course, it worked fine But is that good security practice? Should I be blocking ports on an interface that's internal and over a VPN with the highest security level?

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• How do you access usermin

  - by Lobe

  I have recently setup a web server with webmin, virtualmin and usermin on CentOS to host some websites and email, however I am unable to access usermin. I can access webmin from www.foobar.com:10000 but I can't access usermin from www.foobar.com:20000 This thread seems to have dealt within the same issue, however when I tried the command "telnet localhost 20000" it came back with a connection refused message. Any idea how to get this running. I'll let you know in advance that I am a linux newbie and this is a large learning experience, so don't rule out anything if you are thinking "oh, but he wouldn't be dumb enough to forget that" or the like

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• Iptables: how do I LOG what's not being ACCEPTED and limit what gets logged?

  - by Kris

  How do I log what's not being accepted by the following rule: iptables -A OUTPUT -p icmp --icmp-type 3 -m -limit --limit 10/minute -j ACCEPT And how do I limit what's being logged because I don't want to log 1000s of pings? My first thought was: iptables -A OUTPUT -p icmp --icmp-type 3 -m -limit --limit 50/day -j LOG iptables -A OUTPUT -p icmp --icmp-type 3 -m -limit --limit 10/minute -j ACCEPT But that doesn't seem right to me. I think this limits the logging to 50/day but not necessarily what is not being accepted, or am I wrong?

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• When exchange receives message, send notification to another address

  - by Rick Kierner

  I have an internal exchange 2010 server that receives no outside email and sends no email outside. I'd like to send a notification email to an outside email when a user receives a message on the internal exchange server. This message would simply say "A Message has been sent to your XYZ Email, go check it" Theoretically, the AD would have an external email address associated with the user's AD Account. I'm hoping that a process could be triggered when an email is received on this exchange server and I could take some type of action to look up the AD account for the recipient, grab the external email address and send a standard email to that user. This would be a global rule for all exchange accounts. The problem is that I don't know where to start. Thanks!

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• How can I specify multiple rules for a particular log file(s) with logrotate?

  - by Ether

  I have a logrotate.d config file that looks something like this: /home/myapp/log/* { daily compress dateext ifempty delaycompress olddir /home/myapp/baklog } There are a few particular log files where I want to apply additional rules, such as "mail". How can I apply additional rules to just some files? If I add another rule above that matches the additional files (e.g. /home/myapp/log/warning.log { ... }, I get an error like error: /etc/logrotate.d/myapp:3 duplicate log entry for /home/myapp/log/warning.log. How can I specify multiple rules that match particular files in an overlapping kind of way?

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• Outlook 2010 intermittently going offline

  - by BarmyArmy

  Just a quick question to see if anyone can give me any direction in or solve the the following problem: Within the office there are a minority who use Outlook client using IMAP and the rest use Thunderbird on Linux. The people who are using Outlook 2010 are repeated (almost daily) reporting outages of emailing services for hours at a time forcing them to sign in and out etc but the people using Thunderbird do not have any issues what so ever which I assume will rule out an issue with the old mail server we are currently using. Any help in the matter would be hugely appreciated and of course if I can provide any further information to articulate understanding of the issue then please just ask. Thanks!

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• virtualbox port forwarding - firewall config

  - by Roose

  i have a ubuntu host system with virtualbox running a windows server. In Virtualbox i have configured the network with a NAT interface and port forwarding for the RDP deamon running inside the vm. That works really well - i can connect to the windows rdp service over the internet. TCP *:3389 - *:3389 Now i like to restrict the access to the rdp service to only 3 public ip addresses and have no idea how to do that via iptables / shorewall. Something like: ACCEPT net:91.x.x.x fw tcp 3389 (shorewall rule) isn't working. Would be glad for any hint.

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• XenServer 5.6.1-fp1. Can't get network working

  - by casey_miller

  I have a PC where XenServer 5.6.1 fp-1 has been successfully installed. I've manually set the network settings: 192.168.1.50 255.255.255.0 192.168.1.1 but it's set to xenbr0 iface. While eth0 is empty. When I click on "Configure Management Inteface" it shows that eth0 is connected. But when I ping a default gateway (which is 100% should be accessible) it fails. I used to another shell (Alt+F3) and logged as root. I also failed to ping. with both: ping -I eth0 192.168.1.1 and ping -I xenbr0 192.168.1.1 Be assured that: Cable works Ethernet adapter is 100% functional (prev OS was Ubuntu it was working) There is no firewall rule to deny anything. (everything is allowed) So the question is: What is a problem???

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• Ping myself, works with ipv6 not ipv4 in Windows 7

  - by user68546

  Hi! I've tried to solve the following problem with no luck and I need some proffesional help. The following is possible: Ping all computers (that I tried) in the domain without problem. Ping myself with localhost which use ::1. Ping myself with my given ipv6 IP. Internet access. The following is not possible: Noone can ping me (request timeout) with computername/ipv4/ipv6. I cannot ping myself with my given ipv4 IP or 127.0.0.1 (request timeout). Tried to enable/disable TCP/IPv4. Same issue. Turned off windows firewall. Added an inbound rule to allow icmp (just in case). Same same.. Is there someone out there that has any idea what the issue could be? Any help would be most appreciated!

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• Issue about mapping MAC address to Ipv6 address

  - by deepsky

  I know that the address in ipv6 with prefix range 001 to 111 should use a 64-bit interface identifier that follows the EUI-64 format, which translates the MAC to ipv6 as below. MAC:00-02-b3-1e-83-29 --> 02-02-b3-ff-fe-1e-83-29 --->ipv6 addr: fe80::202:b3ff:fe1e:8329 Then I checked my network status with ipconfig /all on my windows XP, but it seems my ipv6 address doesn't follow the above rule: MAC:00-24-81-XX-XX-XX ipv6 addr:2001:da8:8006:225:0:24:81XX:XXXX Obviously it doesn't follow the EUI-64 format. Instead it just directly use the MAC as the last 8 bytes. Anyone know the reason? Pls Correct me if I am wrong.

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• 8 Character Device names

  - by Lee Harrison

  Is there any reason to still use only 8 characters in a device name? My boss still uses this rule for printers, computers, routers, servers... basicly any device connected to our network. This leads to massive confusion among users, especially when it comes to printer. It also leads to confusion from an administration standpoint because every device is named vaguely, and similarly(its only 8 characters!). I understand the history behind this and compatibility with older systems, but none of our legacy systems will ever make use of PS-printers and Wifi networks. Is there any reason to still do this, and what is everyone else doing when it comes to naming network devices at an enterprise level?

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• When Exchange receives a message, send notification to another address

  - by Rick Kierner

  I have an internal Exchange 2010 server that receives no outside email and sends no email outside. I'd like to send a notification email to an outside email when a user receives a message on the internal Exchange server. This message would simply say "A Message has been sent to your XYZ Email, go check it" Theoretically, the AD would have an external email address associated with the user's AD account. I'm hoping that a process could be triggered when an email is received on this Exchange server and I could take some type of action to look up the AD account for the recipient, grab the external email address and send a standard email to that user. This would be a global rule for all Exchange accounts. The problem is that I don't know where to start. Thanks!

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• Replace %26 in htaccess to %2526

  - by Patrick

  Hi all, I would like htaccess to rewrite example.com/something_%26_else into example.com/something_%2526_else. I'm importing a bunch of pages that have ampersands in the title from Mediawiki. These are encoded as %26. Drupal, for various reasons, has decided double encode the url it to have it become %2526. I simply can't create the alisis within Drupal so I have to use htaccess This is what I have as my rule so far as RewriteRule ^w/([^%26]+)\%26(.*)$ w/$1\%2526$2 [R=301] I asked this question three months ago on stackexchange and was not able to get it working. I tried hiring a contractor for this but was unable to find one. So this my last ditch effort before I completely give up. I really appreciate the help. All the best, Patrick

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• Is it necessary to have firewalls rules between trusted nodes communicating on their backend interfaces?

  - by Tom

  I have 6 nodes that have internet access on eth1 and private access to one another on eth0. Currently I have firewall rules for eth0, for things like memcached and NFS. Is this necessary? It's a real headache as NFS for example communicates on loads of different ports, and I recently introduced glusterfs which needs more still. Is the headache of figuring out what backend ports to unblock worth the security enhancement? I should mention that I will of course still have a firewall rule on eth0 to block servers owned by others in the same datacenter. Thanks

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• proxy pass redirection

  - by zam

  I am struggling with a redirection rule. I am now running my Redmine in webrick in port 3000 and proxy-pass it. The URL of my Redmine is xyz.example.com. I also want to redirect the Redmine using the URL: abc.example.com. I added the server alias but no redirection taking place. Here is my configuration: <VirtualHost *:80> ServerName xyz.example.com ServerAlias abc.examle.com ProxyPass / h://local:3000/ ProxyPassReverse / h://local:3000/ </VirtualHost>

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• Managing MS Exchange server-side email rules on Mac OS X?

  - by Doug Harris

  Has anybody found an easy way to manage server-side rules from Mac OS X? Here's a brief list of what I know doesn't work: Entourage 2008 - it supports client rules, but not server rules. No good, there are certain actions that should happen before I open my laptop or check my email on my iPhone. Apple Mail - same as Entourage, but at least I don't get as frustrated since, unlike Entourage, this isn't a Microsoft product. Web mail (aka Outlook Web Access) - perhaps you can manage rule in the fancy version which Exchange serves to IE, but not with the browsers available on a Mac. I manage this now by launching a VMWare virtual machine running Windows XP and Outlook. I don't count that as an easy way. Update, post release of Office 2011 Does MS Outlook 2011 have the ability to manage server-side rules? Update, post installation of Office 2011 No. Outlook 2011 doesn't have this ability. I've already removed my account from Outlook and switched back to Apple Mail and iCal

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