Re: Strange foreign connections

2005-02-03 Thread Xian
On Wednesday 02 February 2005 17:01, Gene wrote:
 While running netstat I found these entries:

 Active Internet connections (including servers)
 Proto Recv-Q Send-Q  Local Address  Foreign Address(state)
 tcp4   0  0  localhost.52730undernet1.blueyo.ircd
 ESTABLISHED
 tcp4   0  0  localhost.52398minotor.spale.co.ircd
 ESTABLISHED
 tcp4   0  0  localhost.60635bagan2.srce.hr.ircd
 ESTABLISHED


   The foreign addresses all show ircd at the end,  but there is no irc
 clients or servers running and irc ports are blocked at the firewall.
 Does anyone have any idea what might be going on here?

 Gene

Should anything foreign be connecting to localhost? All my foreign connections 
go from the machines IP in the LAN.
-- 
/Xian

Sometimes one pays most for the things one gets for nothing.
Albert Einstein
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Re: Strange foreign connections

2005-02-03 Thread Ruben de Groot
On Wed, Feb 02, 2005 at 11:01:42AM -0600, Gene typed:
 While running netstat I found these entries:
 
 Active Internet connections (including servers)
 Proto Recv-Q Send-Q  Local Address  Foreign Address(state)
 tcp4   0  0  localhost.52730undernet1.blueyo.ircd   
 ESTABLISHED
 tcp4   0  0  localhost.52398minotor.spale.co.ircd
 ESTABLISHED
 tcp4   0  0  localhost.60635bagan2.srce.hr.ircd   
 ESTABLISHED
 
 
  The foreign addresses all show ircd at the end,  but there is no irc 
 clients or servers running and irc ports are blocked at the firewall.
 Does anyone have any idea what might be going on here?

I would assume your system is compromised, unless proven otherwise.

Ruben

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Re: Strange foreign connections

2005-02-02 Thread Tim Erlin
Gene wrote:
While running netstat I found these entries:
Active Internet connections (including servers)
Proto Recv-Q Send-Q  Local Address  Foreign Address(state)
tcp4   0  0  localhost.52730undernet1.blueyo.ircd   
ESTABLISHED
tcp4   0  0  localhost.52398minotor.spale.co.ircd
ESTABLISHED
tcp4   0  0  localhost.60635bagan2.srce.hr.ircd   
ESTABLISHED

 The foreign addresses all show ircd at the end,  but there is no irc 
clients or servers running and irc ports are blocked at the firewall.
Does anyone have any idea what might be going on here?
You might try running 'sockstat' to get more info about these 
connections. It will provide you with user, command and PID info for 
each connected socket.

--Tim
Gene
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Re: Strange foreign connections

2005-02-02 Thread Mike Tancsa

What does 
netstat -na
sockstat
show ?  I would not trust the DNS lookups in case someone is playing
around with hosts/DNS

---Mike


On Wed, 02 Feb 2005 11:01:42 -0600, in sentex.lists.freebsd.questions
you wrote:

While running netstat I found these entries:

Active Internet connections (including servers)
Proto Recv-Q Send-Q  Local Address  Foreign Address(state)
tcp4   0  0  localhost.52730undernet1.blueyo.ircd   
ESTABLISHED
tcp4   0  0  localhost.52398minotor.spale.co.ircd
ESTABLISHED
tcp4   0  0  localhost.60635bagan2.srce.hr.ircd   
ESTABLISHED
 

  The foreign addresses all show ircd at the end,  but there is no irc 
clients or servers running and irc ports are blocked at the firewall.
Does anyone have any idea what might be going on here?

Gene

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