On Thu, Aug 24, 2006 at 03:09:38PM -0400, pub@xxxxxxxxxxxxxxx wrote: > Hello, > > I am trying to match the receive window size in the incoming packets. > What I can think of is using u32 module to match any 4 bytes of data. > However, the iptables manual in fedora core 5 mentioned to look for > details in kernel module, while the u32 module is not in my kernel > source tree apparently. Is this module being replaced by something > else I am not aware of? Is there any alternative to match the window size? > u32 match is in path-o-matic-ng, http://svn.netfilter.org/netfilter/trunk/patch-o-matic-ng/ you must apply u32 patch to your kernel , and rebuild everything. /pch -- Dyslexia bug unpatched since 1977 ... exploit has been leaked to the underground.