Traffic throttling using iptables

By Posted in - Blog on May 20th, 2016 0 Comments

It can be useful in certain cases to limit the frequency of certain request as described here.

Key code:

iptables -I INPUT -p tcp --dport 22 -i eth0 -m state --state NEW -m recent \
  --set

iptables -I INPUT -p tcp --dport 22 -i eth0 -m state --state NEW -m recent \
  --update --seconds 60 --hitcount 4 -j DROP

To view existing rules and/or delete existing one, one can use these instructions.

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