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List:       fwtk-users
Subject:    Re: plug-gw anf rsh commands
From:       Thierry Jacquemart <tjacquem () bru-ro ! dhl ! com>
Date:       1995-08-24 8:31:49
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On Wed, 23 Aug 1995, Neil wrote:

>> If you want to allow, let us say, outbound rsh connections, you will have 
>> to allow *INBOUND* packets to random privileged ports 

>Not if you use a modified rsh client that passes NULL as the last argument 
>to rcmd(). In that case stderr on the remote machine is redirected to stdout 
>and no inbound connection is made. Neil.

The last argument of rcmd() is used to open a *SECONDARY* stream to be used
for standard error. Nevertheless, you will have to allow *INBOUND* packets
for your primary *OUTBOUND* connection (it's a two way connection).

-------------------------------
Thierry Jacquemart
tjacquem@bru-ro.dhl.com
DHL Worldwide Network

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