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Mettle Knowledge / Mettle SE / Blocking Yahoo! IM from the LAN

Blocking Yahoo! IM from the LAN
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Votes: 1
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Posted: 08 Aug, 2008
by: Admin A.
Updated: 31 May, 2010
by: Knowledge M.
Configure your internal DNS to return 127.0.0.1 for webcs.msg.yahoo.com and httpcs.msg.yahoo.com.

Add the DNS names webcs.msg.yahoo.com and httpcs.msg.yahoo.com in the Web proxy server black list.

To make it more effective:

We recommended to allow only known HTTPS web sites from your LAN through the Web proxy server. This can be done by entering "**s" (without quotes) in the web proxy server black list and then add the known "https" sites to the white list.

Reference: http://help.yahoo.com/l/us/yahoo/mail/yahoomail/chat/chat-23.html
Also read
document Fine Tuning The Content Scanner
document Adding Firewall Rules
document Creating a DNS Entry/Record for the LAN

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document Configuring DHCP Server
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document Adding A Second (Or More) Internet Connection To Mettle SE & Setting Up Failover/Load Balancing
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document Connecting & Securing a Leased Line Connection to Mettle SE
document Port Forwarding (PAT)
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document Open VPN Troubleshooting
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