tuns http dev:3000 ssh tuns.sh # turns into ssh -R dev:80:localhost:3000 tuns.sh # user has access to the ssh command and can pass whatever to it tuns http :3000 ssh -o IdentitiesOnly=yes -i ~/.ssh/id_ed25519 tuns.sh # result ssh -R 80:localhost:3000 -o IdentitiesOnly=yes -i ~/.ssh/id_ed25519 tuns.sh # we can super default for tuns.sh tuns :3000 # result ssh -R 80:localhost:3000 tuns.sh