RE: -- HOWTO "BAN CU-SEEME ? --
Brian McGugan (email@example.com)
Sun, 31 Dec 1995 11:07:50 -0800
>Not all Internet traffic is the same. Most types of activity utilizes a
>specific "port". As an example, smtp mail uses both port 110 and port 25.
>Web service uses 80. Telnet uses 23. FTP uses 21.
>CUseeme uses a type of transport called UDP as does such realtime products
>as Internet Phone and Streamworks. It's "port" is also specific although
>I can't remember the exact number at this time.
>To block it you just tell the router device to ignore that port and not
>pass the packets from one side to the other.
>From: Stefaan Quix[SMTP:Stefaan.Quix@stuc.kuleuven.ac.be]
>Sent: Friday, December 29, 1995 3:55 PM
>Subject: -- HOWTO "BAN CU-SEEME ? --
>>but my problem is due to Dutch providers who have banned the use of
>>CU-SeeMe from the net. Try to check with your provider first.
>How does this actually happen? How do you block a CU-SeeMe signal and
>allow the rest to pass?
But who on earth would want to block such great technology in its infancy.
Any why would a provider want to do this?
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