Comments on: Windows XP Web Proxy Clients Fail to Connect to Windows and Microsoft Update Sites through the ISA Firewall http://blogs.isaserver.org/shinder/2006/11/29/windows-xp-web-proxy-clients-fail-to-connect-to-windows-and-microsoft-update-sites-through-the-isa-firewall/ Written by Dr Thomas W Shinder, consultant to Microsoft, HP and many Fortune 500 companies on ISA firewall and Web proxy deployments this blog is where administrators get information about ISA Server Universal Threat Management firewalls. Topics include how to manage, deploy, and troubleshoot ISA Server as a network firewall, Web proxy/Web cache, remote access VPN server and VPN gateway to provide a high level of network security for all corporate computers. Thu, 4 Dec 2008 19:58:38 +0000 http://wordpress.org/?v=MU by: Thomas Shinder http://blogs.isaserver.org/shinder/2006/11/29/windows-xp-web-proxy-clients-fail-to-connect-to-windows-and-microsoft-update-sites-through-the-isa-firewall/#comment-79719 Mon, 12 Mar 2007 10:45:57 +0000 http://blogs.isaserver.org/shinder/2006/11/29/windows-xp-web-proxy-clients-fail-to-connect-to-windows-and-microsoft-update-sites-through-the-isa-firewall/#comment-79719 Hi Mat, Don't believe it. I've seen the requirement to use proxycfg too many times. HTH, Tom Hi Mat,

Don’t believe it. I’ve seen the requirement to use proxycfg too many times.

HTH,
Tom

]]> by: matheesha http://blogs.isaserver.org/shinder/2006/11/29/windows-xp-web-proxy-clients-fail-to-connect-to-windows-and-microsoft-update-sites-through-the-isa-firewall/#comment-79717 Mon, 12 Mar 2007 10:40:43 +0000 http://blogs.isaserver.org/shinder/2006/11/29/windows-xp-web-proxy-clients-fail-to-connect-to-windows-and-microsoft-update-sites-through-the-isa-firewall/#comment-79717 Hi Tom I just read KB900935 which says the following. " ....The Automatic Updates service can automatically download and install updates from the Windows Update Web site. The Automatic Updates service does not require user interaction because this service runs in the context of the Local System account. The Automatic Updates service does not have access to the user-specific proxy server settings that may be configured in Internet Explorer. ..... " Cheers M@ Hi Tom

I just read KB900935 which says the following.
”
….The Automatic Updates service can automatically download and install updates from the Windows Update Web site. The Automatic Updates service does not require user interaction because this service runs in the context of the Local System account. The Automatic Updates service does not have access to the user-specific proxy server settings that may be configured in Internet Explorer. …..
”

Cheers

M@

]]> by: joe http://blogs.isaserver.org/shinder/2006/11/29/windows-xp-web-proxy-clients-fail-to-connect-to-windows-and-microsoft-update-sites-through-the-isa-firewall/#comment-32389 Mon, 11 Dec 2006 09:05:46 +0000 http://blogs.isaserver.org/shinder/2006/11/29/windows-xp-web-proxy-clients-fail-to-connect-to-windows-and-microsoft-update-sites-through-the-isa-firewall/#comment-32389 Dear Sir, We have a licenced ISA server. I tried the following method : Configure the HTTP policy rule that blocks MSN Messenger traffic and Windows Live Messenger traffic 1. In the left pane of the ISA Server Management console, right-click the access rule that you created, and then click Configure HTTP. 2. In the Configure HTTP policy for rule dialog box, click the Signatures tab, and then click Add. 3. In the Signature dialog box, enter a name for the signature in the Name field. 4. In the Search in list, click Request headers. 5. In the HTTP header box, type User-Agent:. 6. To block MSN Messenger traffic, type MSN Messenger in the Signature box. 7. To block Windows Live Messenger traffic, type Windows Live Messenger in the Signature box. 8. Click OK, and then click OK again. 9. In the ISA Server Management console, click Apply. I was unable to block MSN Live in my network in ISA. Pls recommend some solution. Thank You, Joe. Dear Sir,

We have a licenced ISA server.
I tried the following method :

Configure the HTTP policy rule that blocks MSN Messenger traffic and Windows Live Messenger traffic
1. In the left pane of the ISA Server Management console, right-click the access rule that you created, and then click Configure HTTP.
2. In the Configure HTTP policy for rule dialog box, click the Signatures tab, and then click Add.
3. In the Signature dialog box, enter a name for the signature in the Name field.
4. In the Search in list, click Request headers.
5. In the HTTP header box, type User-Agent:.
6. To block MSN Messenger traffic, type MSN Messenger in the Signature box.
7. To block Windows Live Messenger traffic, type Windows Live Messenger in the Signature box.
8. Click OK, and then click OK again.
9. In the ISA Server Management console, click Apply.

I was unable to block MSN Live in my network in ISA.

Pls recommend some solution.

Thank You,

Joe.

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