Hi Experts,
We have a TMG 2010 installed and clients are accessing Internet through it.
And now there is an access problem to the destinatined server in HQ in another country, and it was fine to reach the destinated server before the servere changed its IP.
When trying to accesss the destinated server with new IP, the TMG log and report shows the connection status with
12030: The connection with the server was terminated abnoramlly.
While there is another guest segment that allows Internet access without proxy server, and they are able to access the server with no problem at all.
When I captured packets using Wireshark from the pc and found that the connection was actually from the pc to proxy server with the following result:
from PC to Proxy server
CONNECT xxx.xxx.com:443 HTTP/1.0
from Proxy server to PC
HTTP/1.1 502 Proxy Error (The connection with the server was terminated abnormally) (text/html)
Would there be a configuration problem inside TMG?
When i include the domain in https inspection exemption list, is that means client would be able to reach ther destination without being inspected?
Then how about the incoming connection? Is there any rules which will restrict HTTPS inbound?
Apart from above problem, clients also not able access some of https website such as banking with CA's, and no problem using guest segment (not through proxy server).
Thanks in advance
Ben
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