[Cvsnt] Re: - WinCVS doesn't support a proxy

Rajan Karunakaran rkaran at hotmail.com
Sun Jun 9 01:42:24 BST 2002

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If anyone is interested and if this is what you want to do, here is
something that I did.  I used an ssh tunnel to break out of a corporate
firewall to an ssh server and had the ssh server port forward to the cvsnt
server.  I had posted the same info a couple of days ago on this list.  I
think it is a fairly good alternative to using an HTTP tunnel.  The
downside, of course, is that you need to have access to another trusted ssh
server outside the firewall.



----Original Message Follows----

>Tony Hoyle <tmh at nothing-on.tv> writes:
>>Proxy support relied on buggy & misconfigured proxies... on any properly
>>configured site it wouldn't work anyway.
>I don't know whether my organisation's firewall is buggy or
>misconfigured. However, I don't have any access to the network
>specialists who set it up, so I can neither ask, nor can I ask for
>changes to allow CVS access (I would almost certainly be unable to put
>a convincing case for requiring the access, anyway). So WinCVS 1.2 is
>the only way I have of getting access to external CVS repositories.

Any proxy that enables the external 'CONNECT' command the the old cvs
used, effectively doesn't have an outgoing (and incoming, if the proxy
is externally visible) firewall on the enabled ports.  This method can
also be used to break into LANs using private IP addresses.

Spammers have been known to use this method to relay their mail
transparently off corporate servers.

>If cvsnt is not going to support proxies, can you suggest a (pure
>client side) program which will act as a tunnel, as you suggest? It
>cannot require any changes on either the firewall, or on the CVS

http://proxytunnel.sourceforge.net - mostly for SSH but it looks like it
could be coerced into doing pserver.

http://www.bysoft.se/sureshot/tcptunnel/ - more general, but costs $30.

http://www.searchlores.org/hpofaq.htm - don't know much about this one.

There's probably others.


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