My Tech Note's

Mês: Março 2014

SSH Tunnel on Mac OSX with Google Chrome

Sometimes, the port forward is insufficient, but you can setup the proxy local throught ssh client.
after all, you can launch the Google Chrome to using the local proxy.

ssh [email protected] -CN -D 12345

-D means:

-D [bind_address:]port
Specifies a local “dynamic” application-level port forwarding.  This works by allocating a socket to listen to port on the local side, optionally
bound to the specified bind_address.  Whenever a connection is made to this port, the connection is forwarded over the secure channel, and the appli-
cation protocol is then used to determine where to connect to from the remote machine.  Currently the SOCKS4 and SOCKS5 protocols are supported, and
ssh will act as a SOCKS server.  Only root can forward privileged ports.  Dynamic port forwardings can also be specified in the configuration file.

IPv6 addresses can be specified by enclosing the address in square brackets.  Only the superuser can forward privileged ports.  By default, the local
port is bound in accordance with the GatewayPorts setting.  However, an explicit bind_address may be used to bind the connection to a specific
address.  The bind_address of “localhost” indicates that the listening port be bound for local use only, while an empty address or `*’ indicates
that the port should be available from all interfaces.

-N means:

     -N      Do not execute a remote command.  This is useful for just forwarding ports (protocol version 2 only).

-C means:

-C      Requests compression of all data (including stdin, stdout, stderr, and data for forwarded X11 and TCP connections).  The compression algorithm is the
same used by gzip(1), and the “level” can be controlled by the CompressionLevel option for protocol version 1.  Compression is desirable on modem
lines and other slow connections, but will only slow down things on fast networks.  The default value can be set on a host-by-host basis in the con-
figuration files; see the Compression option.


And now you can launch the Google Chrome

/Applications/Google\\ Chrome –proxy-server=”socks5://localhost:12345″

And now, you can “surf” through the local proxy server. 🙂


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