RE: [Xen-users] can't access irc server on xen domU, please help

["Dustin Henning" <Dustin.Henning@xxxxxxxxxxx>]

Two quick thoughts:
1) What about iptables on the domU? (I suspect you have tried this, because
I believe I see your name a lot on the list, but a little reminder never
hurts)
2) What about running netstat with another switch to show which application
is running on the ircd port in case it isn't actually your irc server (this
is assuming you haven't done basic port troubleshooting like telnetting to
that port just to verify that the connection can in fact not even be
established).

        Beyond that, I guess you're into xen networking troubleshooting
territory, and there is a quite a bit of that in the list history, but for
anyone on the list to help you, they will probably need more info (which
someone might ask for), as for me, I haven't done enough xen network
troubleshooting to be of assistance.  Good luck,
        Dustin

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Rudi Ahlers
Sent: Sunday, August 10, 2008 02:40
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] can't access irc server on xen domU, please help

Hi all,

I'm running a CentOS 5.2 server with a FC8 xen domU guest, and an irc  
server on the FC8 domU guest. For some odd reason, I can't access the  
irc server on the xen domU guest.

 From FC8, when I run netstat -a, I can see irc is listening:

netstat -a
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address               Foreign Address         
      State
tcp        0      0 *:ircd                      *:*                     
      LISTEN
tcp        0      0 *:6668                      *:*                     
      LISTEN
tcp        0      0 *:6669                      *:*                     
      LISTEN
tcp        0      0 *:ftp                       *:*                     
      LISTEN
tcp        0      0 192.168.10.:afs3-fileserver *:*                     
      LISTEN
tcp        0      0 localhost.localdomain:smtp  *:*                     
      LISTEN
tcp        0      0 192.168.10.13:ftp            
196-209-84-62-tpr-esr:49615 ESTABLISHED
tcp        0      0 *:http                      *:*                     
      LISTEN
tcp        0      0 *:ssh                       *:*                     
      LISTEN

and running nmap on the localhost looks promising as well:

netstat -a
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address               Foreign Address         
      State
tcp        0      0 *:ircd                      *:*                     
      LISTEN
tcp        0      0 *:6668                      *:*                     
      LISTEN
tcp        0      0 *:6669                      *:*                     
      LISTEN
tcp        0      0 *:ftp                       *:*                     
      LISTEN
tcp        0      0 196.34.136.:afs3-fileserver *:*                     
      LISTEN
tcp        0      0 localhost.localdomain:smtp  *:*                     
      LISTEN
tcp        0      0 196.34.136.55:ftp            
196-209-84-62-tpr-esr:49615 ESTABLISHED
tcp        0      0 *:http                      *:*                     
      LISTEN
tcp        0      0 *:ssh                       *:*                     
      LISTEN



Yet, from the outside (either from another PC, or the dom0 itself), I  
can't connect to the irc ports.

I've even disabled iptables on the dom0 altogether, but stil can't  
connect to it.


The only open ports are:
PORT     STATE  SERVICE
80/tcp   open   http
443/tcp  closed https
7001/tcp closed afs3-callback
8000/tcp closed http-alt
8080/tcp closed http-proxy
8081/tcp closed blackice-icecap




How do I get this to work?
-- 

Kind Regards
Rudi Ahlers
SoftDux CEO

Website:     http://www.SoftDux.com
Support:      http://Support.SoftDux.com
Cellphone: 082 554 7532






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