Sunday, October 24, 2010

How to install IPtables

This are some basic steps for install IP tables:-


1)  Get the iptables tarball containing all the needed files.-

          -To get the latest version of iptables go to netfilter.org

          - Downloads are available at http://www.netfilter.org/downloads.html

          - The file should be named iptables-1.*.*.tar.bz2 where the asterisks represent the numbers of the       latest version.

          -Save this file to a temporary directory, we will use /tmp in this example.
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 2) Open a terminal window.

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 3) Change your directory to where you saved iptables by typing:-

      # cd /tmp

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4) Uncompress the archive to the /usr/src directory by typing:-

      # tar -xvjf ./iptables-1.*.*.tar.bz2 -C /usr/src

      where the asterisks represent the version number of the file you downloaded,

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5) Change to the directory it created (typically iptables-1.*.*), by typing:-

      # cd /usr/src/iptables-1.*.*

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6) Using the kernel directories above, type:-

      # /bin/sh -c make

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7) To finish the install, type:-

      # /bin/sh -c make install

- Iptables should now be installed, You can test the installation as described in the beginning of this section to see if it is working.

- If the above install steps seemed to execute without any error, but typing:-

# iptables -V

- Brings up an error, it is possible that the program did'n install itself to the sbin directory, To fix this type the following command from the iptables-1.*.* directory:

ComputerName:~# cp ./iptables /sbin

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