Hello Nicolas, On Tue, Oct 5, 2010 at 11:01 AM, Nicolas Thierry-Mieg <Nicolas.Thierry-Mieg at imag.fr> wrote: >> Any hints on how to debug those issues? > > the same way you debug stuff when you can't see the problem by just > staring at it: reduce it to a minimal error-case. So, remove some of > those /etc/sysconfig/iptables lines until it no longer fails, and > identify the exact line that causes the failure. Then stare at that one > line and understand why it's failing. Ain't those 20! combinations? (my combinatorics skills are aged). I was actually hoping for good iptables tips and not for mental coaching :-) Regards Alex