Re: ssh -b bind_address not working?

From: Richard E. Silverman (res_at_qoxp.net)
Date: 06/28/05 

Date: 28 Jun 2005 10:02:43 -0400

>>>>> "AB" == andreas brand <andreas.brand@gmx.ch> writes:

    AB> Hi I use OpenSSH_4.1p1, OpenSSL 0.9.7g 11 Apr 2005 with Solaris
    AB> 9. The server has 2 interfaces bge0 and bge1. My goal is a ssh
    AB> connection to host B. I have a route to host B through bge0 but
    AB> ssh should go over bge1 ....

    AB> I tried that with "ssh -b ip-bge1 hostb", it doesn't work,
    AB> according to snoop it goes through ip-bge0, bge1 is never used.

The -b option controls which address OpenSSH will use as the local
endpoint for its TCP connection. Routing (i.e. which interface the
packets go by) is still controlled by your routing table; OpenSSH has
nothing to do with that.

    AB> For example with ping i can disable the route with "ping -i bge1
    AB> hostb", that works beautiful. Is it not possible to do the same
    AB> with ssh?

No; that option to (some versions of) ping does something entirely
different. 

-- 
  Richard Silverman
  res@qoxp.net

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