Re: Proxy hangs completly after an uptime of 3Weeks

From: Tomasz Papszun <>
Date: Wed, 20 May 1998 19:34:04 +0200 (MET DST)

On Tue, 19 May 1998, Henrik Nordstrom wrote:

> > [kfree_skb+183/244] [ip_glue+308/472] [ip_defrag+837/860]
> > [ip_rcv+380/1464] [def_callback2+38/44] [packet_rcv+177/188]
> Looks like you have a Linux TCP/IP kernel problem (or memory fault).

Original messages (included in the question) are very similar to these
after some quite new (from about a few weeks or a month ago) kind of
Denial-of-Service attack on Linux (and M$ W*). Something like nestea2,
overdrop and so on. Even kernel 2.0.33 is vulnerable.

Which version of kernel have you?
After applying some "pre-34" patch to 2.0.33, vulnerability disappeared at
my server.
For up-to-date patches look at
(at the moment there is patch-2.0.34pre15.gz from 17 May).

Info how to patch, you'll find in README in main directory with kernel
Good luck! :-)

-- Tomasz Papszun, Lodz, Poland
Received on Wed May 20 1998 - 10:39:10 MDT

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