ICMP paketa apo mars.sharpcomm.com

[Harris Kosmidhs]

Paromoio mail phre to mhxanhma hal.csd.auth.gr pou einai Linux.
ti akribos einai auto? To mhxanhma einai neo kai den exei ma8eutei akomh.

Harris

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Our continuing mission: to seek out knowledge of C,
to explore strange unix commands, and to boldly code where
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On Wed, 15 Apr 1998, S. Ksenitelis wrote:

> 
> Se synexeia apo to e-mail tou Mixali Kabriani
> <mkabrian at auadec.aua.ariadne-t.gr> (mailling list:greek-linux-users) 
> sxetika me ICMP paketa me lauos checksum, episynaptv ta
> parakatv:
> 
> Apr 13 22:20:23 chloe kernel: ICMP: failed checksum from 209.64.238.3!
> Apr 15 22:12:13 chloe kernel: ICMP: failed checksum from 209.64.238.3!
> Apr 11 21:34:30 chloe kernel: ICMP: failed checksum from 209.64.238.3!
> 
> (To roloi ths chloe paei 2 ores mprosta, opote afaireite 2h)
> 
> To tcpdump edeije:
> 
> 22:12:13.820000 mars.sharpcomm.com > 143.233.170.255: icmp: echo request
> 
> opote to paketo htan broadcast.
> 
> To mars.sharpcomm.com fainetai na einai ena Redhat Linux 4.2 me
> pleonazouses ypiresies anoiktes.
> 
> Yparxei to endexomeno to source ip na einai spoofed.
> 
> Ua itan kalo na ginotan ena "grep ICMP\:\ failed\ checksum
> /var/log/messages.*" kai na staluoun ta apotelesmata sth lista.
> 
> Simos KSenitellis
> 
> 
> --
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--
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Gia boithia (h na diagrafhte) e-mail sto majordomo at argos.hol.gr
Ta archives tis listas einai sto http://www.argos.hol.gr/lists :
prin steilete kapoia erothsh psakte mipos exei hdh apanththei.
Gia opoiodipote problima stilte e-mail ston owner-linux-greek-users
====================================================================