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Posted by Rod Engelsman on May 4, 2006, 10:16 pm
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lproietti@gmail.com wrote:
> We are experiencing a strange behaviour on a VPN we have from Italy to
> China. The VPN between a PIX 515E and a PIX 506E (we have tens of these
> VPNs).
> Till the end of April our VPN worked fine, but it was absolutle too
> slow to be seriuosly usable. So people in China decided to change
> Internet connection provider.
>>From that moment the VPN (reconfigured to comply with the new public
> IP) didn't work fine anymore.
> For example it is possible to connect to PC in China from Italy using
> VNC, but it is impossible to connect to SAP Servers in Italy from China
> (using SAPGui).
> Moreover also a Citrix connection from China to Italy doesn't work.
>
> Does anyone has ideas on this problem?
> TIA
>
I assume you are using IPSEC. Does it work at all? I can't use IPSEC on
my connection because it's a satellite link. What looks like a regular
TCP connection is actually TCP -> UDP -> TCP. I can use VNC or an SSL
tunnel, but not IPSEC because of the interrupted connection.
--
Rod
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