Feb 20, 2020

Linux Firewall Tutorial: IPTables Tables, Chains, Rules Jan 24, 2011 NAT with Linux and iptables - Tutorial (Introduction) For routers with a static IP address SNAT is the best choice because it is faster than MASQUERADE which has to check the current IP address of the outgoing network interface at every packet. Since SNAT is only meaningful for packets leaving the router it is used within the POSTROUTING chain only. IP Masquerading (NAT) using iptables - Billauer 10 Source Network Address Translation (SNAT). On ADSL: catch packets going out on ppp0; The source IP is changed ; Source port numbers may be changed Easiest rule: Do SNAT on all packets going out on ppp0; Will include OUTPUT packets by accident, but who cares? Linux: Iptables List and Show All NAT IPTables Rules

Step-By-Step Configuration of NAT with iptables This tutorial shows how to set up network-address-translation (NAT) on a Linux system with iptables rules so that the system can act as a gateway and provide internet access to multiple hosts on a local network using a single public IP address.

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linux - SNAT in IP6Tables - Server Fault

Source NAT is specified using `-j SNAT', and the `--to-source' option specifies an IP address, a range of IP addresses, and an optional port or range of ports (for UDP and TCP protocols only). ## Change source addresses to 1.2.3.4.