Security Incidents mailing list archives

Re: Strange Behaviour !


From: dewt <dewt () kc rr com>
Date: Fri, 26 Oct 2001 13:13:46 -0500

On Friday 26 October 2001 12:47 pm, Naseer Bhatti wrote:
[...]
    and finaly I am posting this to Incodents
[...]

Hi, I am administrating a Linux box running RedHat 7.1 with 2.4.2-2 kernel.
Infact it's my fiend's box..anyway.. I noticed strange behaviour on the
system. First of all strange ports are opened and the system is also on
some sort of Firewall. Let me explain in detail.

My Observations ...

Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 0.0.0.0:32768        0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:98              0.0.0.0:*               LISTEN

[...]

like this is the output of netstat -an. I see here port 32768 listening oon
but can't find any data when telnet 0 32768. This port seems to be
something like

the one on port 32768 is rpc.statd (to stop it from running do 
/etc/rc.d/init.d/nfslock stop) and is normal to be there, the second is the 
linuxconf web port which will only be on if you have that turned on (to stop 
it do /etc/rc.d/init.d/linuxconf stop) that will only stop it temporarily, to 
stop it permanetly run ntsysv and deselect them from the list (use space to 
do that)

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