Installing the iptables Userland Binaries
Having installed and booted into a kernel that has Netfilter hooks compiled in, we'll now install the latest version of the iptables userland program. To do so, first download and unpack the latest iptables sources in the /usr/local/src directory, and then check the MD5 sum[5] against the published value at http://www.netfilter.org:
$ cd /usr/local/src/ $ wget http://www.netfilter.org/projects/iptables/files/iptables-1.3.7.tar.bz2 $ md5sum 1.3.7.tar.bz2 dd965bdacbb86ce2a6498829fddda6b7 iptables-1.3.7.tar.bz2 $ tar xfj iptables-1.3.7.tar.bz2 $ cd iptables-1.3.7
For the compilation and installation steps of the iptables binary, recall that we compiled the kernel within the directory /usr/src/linux-2.6.20.1; ...
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