I have a curious kernel log mesage on a stock (2.0.18) Linux machine (its
the default kernel for Red Hat's 4.0 release: kernel-2.0.18-6).
The message in question is:
Jun 5 19:09:20 saber kernel: ICMP: failed checksum from 193.76.0.7!
This machine is connected to the internet, and in case the message is not
generated by some crazy local network behavior I nslookup'd the IP address
without success. I also tried to traceroute - landing, I guess, in Italy:
13 sl-dc-22-H1/1/0-T3.sprintlink.net (144.228.10.1) 111.708 ms 116.594 ms
111.394 ms
14 gsl-dc-3-Fddi0/0.gsl.net (204.59.144.197) 116.892 ms 114.02 ms
129.577 ms
15 204.59.224.238 (204.59.224.238) 228.824 ms 287.497 ms 252.485 ms
16 noc-gw-1.iunet.it (192.106.1.129) 229.46 ms 285.179 ms 288.679 ms
17 193.76.0.7 (193.76.0.7) 266.304 ms 267.319 ms 238.817 ms
Is this a (known) kernel bug that a using a new kernel will correct? (If it
matters, this machine has been running without reboot for 119 days.) I have
no indication (at this time) that any other connection from the IP address
in question was made to the machine that logged the error.
[If it is _not_ related to a bug in the kernel, please email me directly
with any comments, I don't want to start an off-topic...]
Thanks for any help..
Andrew
--
Linux-PAM, libpwdb, Orange-Linux and Linux-GSS
http://parc.power.net/morgan/index.html