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Full Discussion: SSH port forwarding/tunneling
Top Forums UNIX for Dummies Questions & Answers SSH port forwarding/tunneling Post 302451676 by DeCoTwc on Tuesday 7th of September 2010 06:00:08 PM
Old 09-07-2010
SSH port forwarding/tunneling
So this seems like something that should be simple...but I can't quite seem to get it up and running. I have a machine, .107 with a GUI on port 8443. The problem is that I can't connect directly to .107 from my laptop. Now I have another machine, .69 that can connect to .107. So shouldn't I be able to set up a tunnel from .69 to .107, and then connect to .69 in my browser and everything should work...right?

Well it's not, and I'm not sure why.

I've confirmed that there's nothing running on port 747 on .69 then ran the following:

Code:
ssh -L 747:XXX.YYY.ZZZ.107:8443 XXX.YYY.ZZZ.107

I then put XXX.YYY.ZZZ.107:747/url/stuff in my browser and it doesn't connect. Am I at least close here? Or am I doing this completely wrong?
 

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LEARN ABOUT SUNOS

ssh-socks5-proxy-connect

ssh-socks5-proxy-connect(1)					   User Commands				       ssh-socks5-proxy-connect(1)

NAME

       ssh-socks5-proxy-connect - Secure Shell proxy for SOCKS5

SYNOPSIS

       /usr/lib/ssh/ssh-socks5-proxy-connect [-h socks5_proxy_host] [-p socks5_proxy_port] connect_host connect_port

DESCRIPTION

       A proxy command for ssh(1) that uses SOCKS5 (RFC 1928). Typical use is where connections external to a network are only allowed via a socks
       gateway server.

       This proxy command does not provide any of the SOCKS5 authentication mechanisms defined in RFC 1928. Only anonymous connections are  possi-
       ble.

OPTIONS

       The following options are supported:

       -h socks5_proxy_host    Specifies the proxy web server through which to connect. Overrides the SOCKS5_SERVER environment variable.

       -p socks5_proxy_port    Specifies  the  port  on  which	the  proxy  web  server  runs. If not specified, port 80 is assumed. Overrides the
			       SOCKS5_PORT environment variable.

OPERANDS

       The following operands are supported:

       socks5_proxy_host       The host name or IP address (IPv4 or IPv6) of the proxy.

       socks5_proxy_port       The numeric port number to connect to on socks5_proxy_host.

       connect_host	       The name of the remote host to which the socks gateway is to connect you.

       connect_port	       The numeric port number of the socks gateway to connect you to on connect_host.

EXAMPLES

       The recommended way to use a proxy connection command is to configure the ProxyCommand in ssh_config(4) (see  Example  1  and  Example  2).
       Example 3 shows how the proxy command can be specified on the command line when running ssh(1).

       Example 1: Setting the proxy from the environment

       The following example uses ssh-socks5-proxy-connect in ssh_config(4) when the proxy is set from the environment:

       Host playtime.foo.com
	   ProxyCommand /usr/lib/ssh/ssh-socks5-proxy-connect 
	       playtime.foo.com 22

       Example 2: Overriding proxy environment variables

       The following example uses ssh-socks5-proxy-connect in ssh_config(4) to override (or if not set) proxy environment variables:

       Host playtime.foo.com
	   ProxyCommand /usr/lib/ssh/ssh-socks5-proxy-connect -h socks-gw 
	       -p 1080 playtime.foo.com 22

       Example 3: Using the command line

       The following example uses ssh-socks5-proxy-connect from the ssh(1) command line:

       example$ ssh -o'ProxyCommand=/usr/lib/ssh/ssh-socks5-proxy-connect 
	   -h socks-gw -p 1080 playtime.foo.com 22' playtime.foo.com

ENVIRONMENT VARIABLES

       SOCKS5_SERVER	       Takes socks5_proxy_host operand to specify the default proxy host.

       SOCKS5_PORT	       Takes socks5_proxy_port	operand to specify the default proxy port.

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       1	An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWsshu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Stable			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       ssh(1), ssh-http-proxy-connect(1), ssh_config(4), attributes(5)

SunOS 5.10							    30 Oct 2002 				       ssh-socks5-proxy-connect(1)
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