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Thank you so much for your help. I will suggest to my client the purchase of Terminator.
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Thank you so much for your help. I will suggest to my client the purchase of Terminator.

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Hello,<br />
I was able to successfully block a variety of instant messenger applications thruogh a combination of GPOs and blocked domain sites for a client of mine. They use Windows 2003 Small Business Edition and a Netgear Rangemax Wireless Gigabit Router WNR3500 (one of the latest models).<br />
Unfortunately, I couldn't figure out how to block the Yahoo messenger within the Yahoo email site, without blocking complete access to Yahoo email (blocking TCP port 443 will block acccess to Yahoo email)<br />
I've done extensive research for the past few days, and I just couldn't find a solution to this problem.<br />
Any help would be really appreciated. Thank you so much.
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Hello,
I was able to successfully block a variety of instant messenger applications thruogh a combination of GPOs and blocked domain sites for a client of mine. They use Windows 2003 Small Business Edition and a Netgear Rangemax Wireless Gigabit Router WNR3500 (one of the latest models).
Unfortunately, I couldn't figure out how to block the Yahoo messenger within the Yahoo email site, without blocking complete access to Yahoo email (blocking TCP port 443 will block acccess to Yahoo email)
I've done extensive research for the past few days, and I just couldn't find a solution to this problem.
Any help would be really appreciated. Thank you so much.

How to block Yahoo Messenger WITHIN Yahoo Email

Instant messaging (IM) is a type of online chat that offers real-time text transmission over the Internet. A LAN messenger operates in a similar way over a local area network. More advanced instant messaging can add file transfer, clickable hyperlinks, Voice over IP, or video chat. Non-IM types of chat include multicast transmission, usually referred to as "chat rooms". Depending on the IM protocol, the technical architecture can be peer-to-peer (direct point-to-point transmission) or client-server (a central server retransmits messages from the sender to the communication device).

Chat / IM

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.

Routers

Wireless networking is a method by which homes, telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations. Wireless telecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure. The key hardware components of a wireless computer network include adapters, routers and access points, antennas and repeaters.