man/man1/ssh-http-proxy-connect.1

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 SSH-HTTP-PROXY-CONNECT 1 "Oct 24, 2001"
 NAME
ssh-http-proxy-connect - Secure Shell proxy for HTTP
 SYNOPSIS

/usr/lib/ssh/ssh-http-proxy-connect [-h http_proxy_host]
 [-p http_proxy_port] connect_host connect_port


 DESCRIPTION

A proxy command for ssh(1) that uses HTTP CONNECT. Typical use is where
connections external to a network are only allowed via a proxy web server.
 OPTIONS

The following options are supported:
-h http_proxy_host

Specifies the proxy web server through which to connect. Overrides the
HTTPPROXY and http_proxy environment variables if they are set.


-p http_proxy_port

Specifies the port on which the proxy web server runs. If not specified, port
80 is assumed. Overrides the HTTPPROXYPORT and http_proxy
environment variables if they are set.


 OPERANDS

The following operands are supported:
http_proxy_host

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


http_proxy_port

The numeric port number to connect to on http_proxy_host.


connect_host

The name of the remote host to which the proxy web server is to connect you.


connect_port

The numeric port number of the proxy web server to connect you to on
http_proxy_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-http-proxy-connect in ssh_config(4)
when the proxy is set from the environment:

Host playtime.foo.com
 ProxyCommand /usr/lib/ssh/ssh-http-proxy-connect \e
 playtime.foo.com 22


Example 2 Overriding proxy environment variables

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

Host playtime.foo.com
 ProxyCommand /usr/lib/ssh/ssh-http-proxy-connect -h webcache \e
 -p 8080 playtime.foo.com 22


Example 3 Using the command line

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

example$ ssh -o'ProxyCommand="/usr/lib/ssh/ssh-http-proxy-connect \e
 -h webcache -p 8080 playtime.foo.com 22"' playtime.foo.com


 ENVIRONMENT VARIABLES
HTTPPROXY

Takes the http_proxy_host operand to specify the default proxy host.
Overrides http_proxy if both are set.


HTTPPROXYPORT

Takes the http_proxy_port operand to specify the default proxy port.
Ignored if HTTPPROXY is not set.


http_proxy

URL format for specifying proxy host and 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
Interface Stability Stable


 SEE ALSO

ssh(1), ssh-socks5-proxy-connect(1), ssh_config(4),
attributes(5)