Add Layer7 patch (Linux2.6.25 kernel) for iptables under Linux

System environment: RHEL5 [2.6.18-8.el5xen]

Software Environment:
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.25.19.tar.bz2
http://www.netfilter.org/projects/iptables/files/iptables-1.4.2.tar.bz2

Http://ie.archive.ubuntu.com/sourceforge/l/l7/l7-filter/netfilter-layer7-v2.20.tar.gz
Http://ie.archive.ubuntu.com/sourceforge/l/l7/l7-filter/l7-protocols-2008-10-04.tar.gz

Target function:
Add Layer7 patches for iptables to implement application layer filtering.
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First, recompile the kernel

1, combined Kernel+layer7 patch

shell> TAR-JXVF linux-2.6.25.19.tar.bz2-c/usr/src/
shell> TAR-ZXVF netfilter-layer7-v2.20.tar.gz-c/usr/src/

Shell> cd/usr/src/linux-2.6.25.19/
Shell> Patch-p1 </usr/src/netfilter-layer7-v2.20/kernel-2.6.25-layer7-2.20.patch

View the current kernel

Download new kernels and patches to Linux

Unpacking cores and patches

[Root@localhost ~]# tar-jxvf linux-2.6.25.19.tar.bz2-c/usr/src/

[Root@localhost ~]# tar-jxvf netfilter-layer7-v2.20.tar.gz-c/usr/src/