[YLUG] Router

Dr P Dupre pd520 at york.ac.uk
Mon Nov 5 11:02:48 GMT 2007


Hello Arthur,

OK for the ping, but the ssh does not works when it works when I
do not use your tunneling gateway, ie. I log on ssh and then on unix0
or my machine.

Regards.

-- 
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Patrick Dupré                                             pd520 at york.ac.uk
University of York                                 Department of Chemistry
Heslington, York              YO10 5DD                      United Kingdom
Phone: +44-(0)-1904-434384                        Fax: +44-(0)-1904-432516
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On Mon, 5 Nov 2007, Arthur Clune wrote:

>
> On 4 Nov 2007, at 23:04, Dr P Dupre wrote:
>
>> . After I do this connection
>> by using pptpconfig and I set the routes, 82.3.205.41 does not respond !
>> I have no idea why !
>
> It's because ping is firewalled outbound from the university.
>
> Your packets goes on its travels like this:
>
> Computer -> vpn interface -> vpn endpoint (within the uni)
> 		  -> university's external gateway
>
> And there it's dropped. Your router doesn't actually see the ping
> packet on the way out and so doesn't respond.
>
> The way to solve this would be to leave your default route
> still pointing out via the gateway box but set routes for
> 144.32.0.0/16 and 172.16.0.0/12 to go via the VPN.
>
> Arthur
>
>


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