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Full Discussion: SSH closes connection when using arrow keys
Top Forums UNIX for Advanced & Expert Users SSH closes connection when using arrow keys Post 302354120 by stv_t on Thursday 17th of September 2009 06:53:35 AM
Old 09-17-2009
SSH closes connection when using arrow keys
Hi,

I'm having a problem with my ssh link to various Sun servers running Solaris 9 and 10 from an Windows XP box running Cygwin/X.

I am using ssh to connect to a number of different Sun servers. My problem is that when editing a remote shell command line with the arrow direction keys the session aborts or, if there are background X processes running such as 'gvim', locks up then exists immediately when the X program terminates.

I previously connected using 'rsh' which did not cause a problem but have had to move to ssh, I am using zsh both on cygwin and on the remote server.

The following is the command that I use to start the connection
Code:
urxvtc -sb -sr -sl 1024 -geometry 140x45+0+0 -bg lightblue -fg black -tn xterm -title Support -e ssh -YC user@server

About 90% of the time using the arrow keys do not cause a problem but every now and then the remote session seems to recieve an 'exit' signal causing the remote session to end. This can be caused by either a single arrow key press or by holding an arrow key down.

As mentioned before I did not have the problem when connecting via 'rsh' which points to 'ssh' being the cause of the problem.

Any ideas as to why this is happening would be appreciated

Stv T
 

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LEARN ABOUT OPENSOLARIS

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 5.11							    30 Oct 2002 				       ssh-socks5-proxy-connect(1)
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