<div>
<div class="content wysiwyg-content">
I am ssh'ing to a remote server, which is listening on the standard port 22, using a no-frills &quot;ssh user@hostname.com&quot; command to connect.<br />
<br />
I would like to specify the outbound port my system uses to connect. &nbsp;By default it gets a normal system-assigned port like 55129, etc. &nbsp;Is there a way to tell ssh to use a specific outbound port?<br />
<br />
Reading the man pages and googling, I found the -R and -L options for forwarding, which are useful for tunnelling. &nbsp;I can specify my bind address with &quot;-b &lt;address&gt;&quot; and the remote port to connect to with &quot;-p &lt;port&gt;&quot;. &nbsp;<br />
<br />
But I can't see where to specify the outgoing port I want ssh to use. &nbsp;I want to do this so I specify on the remote system to only allow incoming connections from specific ports on the clients.<br />
<br />
Is this possible?<br />
<br />
Thanks,<br />
Ted
</div>
</div>


I am ssh'ing to a remote server, which is listening on the standard port 22, using a no-frills "ssh user@hostname.com" command to connect.

I would like to specify the outbound port my system uses to connect.  By default it gets a normal system-assigned port like 55129, etc.  Is there a way to tell ssh to use a specific outbound port?

Reading the man pages and googling, I found the -R and -L options for forwarding, which are useful for tunnelling.  I can specify my bind address with "-b <address>" and the remote port to connect to with "-p <port>".  

But I can't see where to specify the outgoing port I want ssh to use.  I want to do this so I specify on the remote system to only allow incoming connections from specific ports on the clients.

Is this possible?

Thanks,
Ted

Specify outbound port with ssh?

Telnet is an application layer protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection. SSH was designed as a replacement for Telnet and for unsecured remote shell protocols. The term telnet is also used to refer to the software that implements the client part of the protocol. SSH provides a secure channel over an unsecured network in a client-server architecture, connecting an SSH client application with an SSH server.

SSH / Telnet Software

Network Operations includes asset management, help-desk supervision, security and user policies, infrastructure administration and anything else that affects the operation of your network. Discussions will include those of best practices in platforms, configurations, performance, security and accounting.

Network Operations

The Linux operating system, in all its flavors, has its own share of security flaws that allow intrusions, but there are various mechanisms by which these flaws can be removed, generally divided into two parts: authentication and access control. Authentication is responsible for ensuring that a user requesting access to the system is really the user with the account, while access control is responsible for controlling which resources each account has access to and what kind of access is permitted.