+++
date = '2025-08-10T11:55:59Z'
title = 'Port Forwarding'
+++

- `-L` 本地转发（本地访问远程）
- `-R` 远程转发（远程访问本地，如clash）

```pseudo-shell
ssh -R <remote_listen_port>:<local_host>:<local_port> <user>@<ssh_server>
ssh -L [<local_listen_host>]:<local_listen_port>:<remote_host>:<remote_port> <user>@<ssh_server>
```

<shell-commands-builder-component
    command="ssh -R ${REMOTE_LISTEN_PORT}:${LOCAL_HOST:-localhost}:${LOCAL_PORT} ${SSH_HOST} ${COMMAND}"
    variables='[{"name":"REMOTE_LISTEN_PORT","default":"7890"},{"name":"LOCAL_HOST","default":"localhost"},{"name":"LOCAL_PORT","default":"7890"},{"name":"SSH_HOST","required":true},{"name":"COMMAND","default":"sleep infinity"}]'>
</shell-commands-builder-component>

---

<shell-commands-builder-component
    command="ssh -L ${LOCAL_LISTEN_PORT}:${REMOTE_HOST:-localhost}:${REMOTE_PORT} ${SSH_HOST} ${COMMAND}"
    variables='[{"name":"LOCAL_LISTEN_PORT","default":"8080"},{"name":"REMOTE_HOST","default":"localhost"},{"name":"REMOTE_PORT","default":"80"},{"name":"SSH_HOST","required":true},{"name":"COMMAND","default":"sleep infinity"}]'>
</shell-commands-builder-component>