Aug 09, 2010 · Loadbalancer.org did some work ages ago with the open source community to create SNAT mode, which is a bit like NAT without the need for being a default gateway. LVS-SNAT mode changes the source address of all the packets to be the load balancer so you don't need to change your default gateway (obviously Layer 4 SNAT is not source IP transparent)
An In-Depth Guide to iptables, the Linux Firewall Aug 29, 2017 Man page of IPTABLES - Netfilter Iptables and ip6tables are used to set up, maintain, and inspect the tables of IPv4 and IPv6 packet filter rules in the Linux kernel. Several different tables may be defined. Each table contains a number of built-in chains and may also contain user-defined chains. Linux Iptables Delete postrouting Rule Command - nixCraft
Aug 16, 2019 · SNAT¶. In Source Network Address Translation (SNAT), the NAT router modifies the IP address of the sender in IP packets. SNAT is commonly used to enable hosts with private addresses to communicate with servers on the public Internet.
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 … netfilter/iptables project homepage - Documentation about
The SNAT rule applies NAT to outgoing connections from linux-svr and to any incoming responses that belong to these connections. But a server is generally assumed to be …
ubuntu - IPtables as a reverse proxy - Server Fault The DNAT looks good, but SNAT I think I'd go-A POSTROUTING -p tcp -m tcp --dport 5000 -j SNAT --to-source 172.21.26.237 instead of-A POSTROUTING -p tcp -m tcp --dport 8888 -j SNAT --to-source 172.21.26.237 I mean since PREROUTING changes the port from 8888 to 5000, it doesn't make sense to expect 8888 anywhere behind that stage.