Comment Comment by justinclift > Traffic sent to 127.0.0.1 is guaranteed not to leave your machine. ...Isn't that a widely held, but incorrect, assumption?eg People with reasonable knowledge of IPv4 on *nix can still route 127.0.0.1 traffic out through an external interface?From memory, people used to do that when attempting to bypass various firewall/filter rules on other hosts for a locally attached network.Maybe things have tightened up/changed in the last few years? parent justinclift 8 years ago
Isn't that a widely held, but incorrect, assumption?
eg People with reasonable knowledge of IPv4 on *nix can still route 127.0.0.1 traffic out through an external interface?
From memory, people used to do that when attempting to bypass various firewall/filter rules on other hosts for a locally attached network.
Maybe things have tightened up/changed in the last few years?