Re: Fehler syslog
Also sprach Michael Welle <m.welle@gmx.net> (Mon, 03 Oct 2005 21:18:05 +0200):
> Hallo,
>
> Richard Mittendorfer <delist@gmx.net> writes:
> > Also sprach Michael Welle <m.welle@gmx.net> (Mon, 03 Oct 2005 17:11:10
> > +0200):
> [...]
> > Wenn ippl mit promisc mode arbeitet bekommt er ua. udp-Hits (am tcp-
> > gedroppten) Port 22 mit. Warum dann jemand 661 Versuche starten sollte
> > ist 'ne andere Sache. Pruef' mal deinen Rechner von aussen.
> hm. Bringt ja nix. Ich kann das Verhalten triggern:
>
> Eingabe:
> Stella:~> date && telnet x.x.x.x 0
> Mon Oct 3 21:05:56 CEST 2005
> Trying x.x.x.x...
> telnet: Unable to connect to remote host: Connection refused
> Stella:~> date && telnet x.x.x.x 0
> Mon Oct 3 21:11:08 CEST 2005
> Trying x.x.x.x...
> telnet: Unable to connect to remote host: Connection refused
>
> Ausgabe:
> Oct 3 21:05:56 port 0 connection attempt from x.x.x.x (x.x.x.x:40079->x.x.x.x:0)
> Oct 3 21:09:06 last message repeated 21 time(s)
> Oct 3 21:11:08 port 0 connection attempt from x.x.x.x (x.x.x.x:44632->x.x.x.x:0)
Was passt dir hier nicht?
> Wenn keiner mehr etwas weiss, werde ich wohl mal einen bug report
> riskieren.
Das koennte ein wenig Licht in die Sache bringen:
$ apt-cache show ippl
----[...]---------------------------------------------------------------------------
Description: IP protocols logger
writes information about incoming ICMP messages, TCP connections and
UDP datagrams to syslog.
.
It is highly configurable and has a built-in DNS cache.
.
Please note that upstream is rather inactive lately (4-5 years), and
that there are some rather nasty bugs.
.
An incomplete list of the bugs includes:
- random packets don't get logged sometimes
- stops logging at all after some weeks
- ipv6 never got implemented
- documentation is out of sync.
.
Trying to fix these bugs is not easy. Please do not expect the Debian
maintainer to do this, but patches are appreciated.
.
Please consider using a fully-grown intrusion detection system (like
snort) instead of ippl.
------------------------------------------------------------------------------
> VG
> hmw
sl ritch
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