tproxy: Skip firewall chains if packets have local destination.#578
Merged
brianmay merged 1 commit intosshuttle:masterfrom Jan 3, 2021
Merged
tproxy: Skip firewall chains if packets have local destination.#578brianmay merged 1 commit intosshuttle:masterfrom
brianmay merged 1 commit intosshuttle:masterfrom
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If you use the tproxy method with a large subnet (such as 0/0), then (1) you may not receive UDP packets that sshuttle/tproxy can handle and (2) you are unable to connect to your machine using an IP that your computer recognizes as its own. To resolve those issues, any traffic to an IP that the host knows is local, does not go through the sshuttle chains.
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If you use the tproxy method with a large subnet (such as 0/0), then (1) you may not receive UDP packets that sshuttle/tproxy can handle and (2) you are unable to connect (i.e., ssh) to your machine using an IP that your computer recognizes as its own.
To resolve those issues, any traffic to an IP that the host knows is local, does not go through the sshuttle chains.