Книга: Iptables Tutorial 1.2.2
This chapter has discussed the iptables-save and iptables-restore programs to some extent and how they can be used. Both applications are distributed with the iptables package, and can be used to quickly save large rulesets and then inserting them into the kernel again.
The next chapter will take a look at the syntax of a iptables rule and how to write properly formatted rule-sets. It will also show some basic good coding styles to adhere to, as required.