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man pages section 1: User Commands

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Updated: July 2017
 
 

ssh-http-proxy-connect(1)

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 \
        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 \
        -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 \
    -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
Availability
network/ssh
Interface Stability
Committed

See Also

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