Re: IPSEC changes in Service Pack 2
From: Mark Swift [MSFT] (mswif_at_online.microsoft.com)
Date: 08/24/04
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Date: Tue, 24 Aug 2004 14:40:52 -0700
IPsec in XPSP2 now automatically opens up holes in the Windows Firewall if
there is policy assigned. It also closes them if policy is then unassigned.
-- Mark Swift Software Test Engineer IP Security Windows Networking Microsoft This posting is provided "AS IS" with no warranties, and confers no rights. Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm -- "Christopher Black [MSFT]" <christb-nospam@microsoft.com> wrote in message news:%232EUBUAfEHA.904@TK2MSFTNGP09.phx.gbl... > IPsec requires that inbound traffic be allowed to UPD-500 (and UDP-4500). > The default state of the Windows firewall (that is now on by default) will > block the inbound UDP500/4500 traffic. You should add a rule to allow > inbound traffic on these ports. > > "Jones" <anonymous@discussions.microsoft.com> wrote in message > news:161a01c47bbe$a5275ec0$a401280a@phx.gbl... >> We use a small utility from a company called ReefEdge >> that authenticates users and allows access to our wireless >> network. It is called the MDU or Mobile Domain Utility >> client. Basically, using IPSEC it authenticates a user's >> domain login and allows a user to use the wireless >> network. After installing Windows XP Service Pack 2, it >> no longer works. Uninstalling SP2 fixes the issue. So >> what is changed with IPSec in SP 2 that may be causing >> this problem? >> >> Any ideas....? >> >> -Jones > >
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