From: "Eric Constantineau" <mekanik@nerim.net>
To: Jonas Lindborg <jools@apollo.nu>, netfilter@lists.netfilter.org
Subject: Re: ip_conntrack vs netstat
Date: Tue, 2 Sep 2003 22:04:53 +0200 [thread overview]
Message-ID: <007b01c3718d$795c37c0$0901a8c0@metacortex> (raw)
In-Reply-To: Pine.LNX.4.53.0308301423020.30825@apollo.rsn.bth.se
I want to unsubscribe !
thanks
----- Original Message -----
From: "Jonas Lindborg" <jools@apollo.nu>
To: <netfilter@lists.netfilter.org>
Sent: Saturday, August 30, 2003 2:37 PM
Subject: ip_conntrack vs netstat
> Hello,
>
> When comparing the output of /proc/net/ip_conntrack with the "netstat"
> command, I'm seeing a few established connections in ip_conntrack that are
> not presented by netstat.
>
> These are familiar connections (ssh, imap) to known hosts that could very
> well have been done by me but not in the last 24 hrs so they should have
> timed out a long time ago.
>
> "ps" shows no such processes running so this immediately raises the
> suspicion that the machine could be compromised and connections are hidden
> from netstat and ps.
> But if this was the case there should be some connections to unknown hosts
> showing in ip_conntrack as well so I should be able to rule out that
> possibility (?).
>
> Now for my question:
> Can anyone confirm that ip_conntrack can show "ghost" connections like
> these?
>
next prev parent reply other threads:[~2003-09-02 20:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-30 12:37 ip_conntrack vs netstat Jonas Lindborg
2003-09-02 20:04 ` Eric Constantineau [this message]
2003-09-02 20:19 ` Ralf Spenneberg
2003-09-02 20:31 ` James Mullens
-- strict thread matches above, loose matches on Subject: below --
2003-09-04 18:07 Kevin Smith
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