Proxy & VPN
Date: Mon, 8 Aug 2005 23:19:08 -0700
OS = XP SP2
By GPO th IE ist told to use a proxyserver (ISA2004).
Users are not allowed to leave the corporate network for internet traffic
without using the proxy, spezified on the firewall.
Administrative Computers are allowed, for testing reasons, but normally
still use the proxy. Administrative Computers are also allowd to establish
VPN connections outside. (Simple PPTP MS VPN)
Leaving the corportate network for Internettraffic over the proxy server
makes the outside world see a different IP than leaving it just over the
firewall, thats the reason why I found out th efollwing issue:
What happened is, I established a VPN connection outside and was using IE at
the same time. Although the IE was correctly configured to use the proxy
server, it didn´t, but went straight throught the firewall. As soon as i
disconnected the VPN connection, everything was fine again. This issue did
not happen when trying the same thing with firefox.
Does anybody know reasons for that?
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