internet access

Prior post and answers given states that it is no efficient way to disable the Internet access on a network enviroment,even when editing the registry,which can limit user access at a minimum
See microsoft knowledgebase article-Q179221

You can imploy a proxy server which limits access to the internet by user id's. Microsoft Proxy server 2.0 allows this. You could setup acl on the routers that only certain address ranges can route to specific addresses. Even firewall software can limit who has access to what. If you have a firewall start there, see how the rules are implemented, then redesign your internal network so that management of the firewall is not such a tedious procedure. If you don't have a firewall, there are software solutions that limit what machines, even users have access to the internet. Microsoft Internet Security and Authentication server does this and can use the Active directory to limit access. Hope this helps.

I suppose, you have your mail server on board (msmail or exchange, with pop beamer).
You can do segregation , use only netbeui protocol on limited stations , and netbeui + ip protocol and internet stations .

If you don't install tcp/ip on computer, user install ie or www access with more difficulty .

If you have'nt your mail server on site, the best solution is proxy to filter on user .
Use Wingate for example :
http://www.deerfield.com/products/wingate

Use proxy server on your gateway.

Open TCP Port 110 for POP access (email retrieval), open TCP Port 25 for SMTP (sending email). Close web access on port 80.

vh_s

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