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Mark
Asked: 2017-04-28 21:13:27 +0800 CST

iptables: only allow UDP packets that contain a specific string

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How do I configure iptables so that only UDP packets that contain a specific string are allowed as an INPUT?

For example, I would like only UDP packets that contain the string version to be allowed.

iptables

1 Answers

  1. You can use a iptables extension for doing this.

    Here is a link where you can read about string matching with iptables from the web

    You can of course doing what you expect with this technique. Good reading !

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