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The question is simple, but the answer is not :

ssh -D 8080 user@host


ssh -gCNf -D 8080 user@host


wathever with -D #

I need a kind of proxy that i can use with http_proxy variable, in an embedded device that doesn't support SOCKS.

What should i do?

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Shouldn't it be ssh -D user@host:8080 ? –  ngen May 6 '11 at 14:51
i've done it with ssh a while back.. vnc through ssh. but you could I suppose use squid(an http proxy) through ssh. can't recall how i did it though at the moment. it's not -D 'cos (as you know -and better than me) -D is SOCKS if I recall. –  barlop May 6 '11 at 15:03
@ngen: No. -D specifies a port to open the tunnel on, not the port to connect to. (Even the connection port is specified as -p port, not :port, for compatibility reasons.) –  grawity May 6 '11 at 15:05

5 Answers 5

up vote 14 down vote accepted
  • Establish the tunnel normally, then start a HTTP proxy that supports using a SOCKS upstream, such as Polipo or Privoxy. Point your program to that proxy on localhost.

    Example Polipo configuration:

    proxyAddress = "::1"
    proxyPort = 8118
    socksParentProxy = "localhost:8080"
    socksProxyType = socks5
  • Run your program inside the tsocks wrapper, which proxies all connections transparently.

  • As others suggested, set up a HTTP proxy on your server, then access it over SSH using ssh -L.

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Thanks, I'll try all of them. –  behrooz May 6 '11 at 15:32

Every -D results into a SOCKS server. If your client can not handle SOCKS forget -D.

You must run a HTTP-Proxy on the remote host and forward with -L:

ssh -f -N -n -L8080: host
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ssh -L 8080:localhost:12345 user@host

This will open port 8080 on the local machine, and forward all data to port 12345 on localhost, as seen from the remote machine.

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I have the same issue that want to use HTTP proxy through SSH. Because many applications only support HTTP proxy, and HTTP proxy is easy to be used in command line environment.

Although searched several pages but I can't find a direct(can be chained with Polipo, Privoxy, or tsocks ) way to do this...

After a days' work, I finished a simple Golang version of HTTP proxy over SSH. Feel free to play with it: mallory.

Currently only support RSA key(located at $HOME/.ssh/id_rsa) and password authorisation.

host is the SSH server address, port is 22 if is not changed by your admin. The server side is just our old friend sshd with zero configuration.

mallory -engine=ssh -remote=ssh://host:port

or with username user

mallory -engine=ssh -remote=ssh://user@host:port

or with username user and password 1234

mallory -engine=ssh -remote=ssh://user:1234@host:port

After connected, a HTTP proxy will serve on localhost:1315.

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Run Privoxy at the remote host, then connect via SSH to Privoxy using the -L option:

-L [bind_address:]port:host:hostport
         Specifies that the given port on the local (client) host is to be
         forwarded to the given host and port on the remote side.  This
         works by allocating a socket to listen to port on the local side,
         optionally bound to the specified bind_address.  Whenever a con-
         nection is made to this port, the connection is forwarded over
         the secure channel, and a connection is made to host port
         hostport from the remote machine.

(manpage source)

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