What is iptables masquerade?

What is iptables masquerade?

MASQUERADE is an iptables target that can be used instead of SNAT target (source NAT) when external ip of the inet interface is not known at the moment of writing the rule (when server gets external ip dynamically).

What came before iptables?

iptables superseded ipchains; and the successor of iptables is nftables, which was released on 19 January 2014 and was merged into the Linux kernel mainline in kernel version 3.13….iptables.

Original author(s) Rusty Russell
Platform Netfilter
Type Packet filtering
License GPL
Website www.netfilter.org

What is the purpose of iptables?

Iptables is a Linux command line firewall that allows system administrators to manage incoming and outgoing traffic via a set of configurable table rules. Iptables uses a set of tables which have chains that contain set of built-in or user defined rules.

Is iptables deprecated?

iptables has also been deprecated.

How to implement a masquerading rule like this iptables rule?

How would I implement a masquerading rule like this iptables one in NFTables: Take a look on nftables nat wiki for more informations.

What does it mean to use IP Masquerade?

IP Masquerade is also known as Network Address Translation (NAT) and Network Connection Sharing some other popular operating systems.

When to use Masquerade instead of Source NAT?

MASQUERADE is an iptables target that can be used instead of SNAT target (source NAT) when external ip of the inet interface is not known at the moment of writing the rule (when server gets external ip dynamically).

Can you use iptables and nftables Nat at the same time?

With later kernels, it is possible to use iptables and nftables nat at the same time. The nat chains are consulted according to their priorities, the first matching rule that adds a nat mapping (dnat, snat, masquerade) is the one that will be used for the connection.

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