I have an old Pentium II which I use as a gateway and firewall for a home network. The external interface is a modem on ppp and the internal interface is ethernet. I have had this setup running successfully for many years starting with the early 2.x series Shorewall.
My ISP recently changed my dial-up 'phone number and presumably also the system at the other end of my modem (they won't tell me). Ever since this change I have had regular kernel panics (5-6 per day depending on activity). I can reproduce the crash by initiating a port scan from the Shields Up website. The kernel panics can be avoided by doing a shorewall stop, removing shorewall entirely, setting shorewall to debug and using an alternative ISP. When set to debug the old Pentium II has CPU at about 85% dealing with syslog. Any suggestions? Shorewall 3.2.6-2 Linux kernel 2.6.22 (also tried 2.6.18 same symptom) ppp 3.2.6-2 Debian Etch Attached: Shorewall conf files kernel info file including kern.log (just prior to crash and reboot) kernel panic (transcribed from photograph) -- Kind regards, Iain.
kernel.panic.transcribed
Description: Binary data
kernel-info.txt.gz
Description: GNU Zip compressed data
interfaces
Description: Binary data
masq
Description: Binary data
policy
Description: Binary data
rules.gz
Description: GNU Zip compressed data
shorewall.conf
Description: Binary data
zones
Description: Binary data
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