Another idea:
Read from messenger.yahoo.com which ports have to be opened to what hostnames.
Block the entire IP classes of those hosts for the respective ports (be aware,
a hostname usually point to several IPs).
This is how i managed to allow yahoo messenger (by allowing that traffic).
Don't forget to check from time to time is any of the host has a new IP.
They usually do that relatively often :|
Good luck.
> On Fri, 20 Feb 2004, Winanjaya wrote:
> > but yahoomessenger is smarter, it will check the opened port and then use
> > it
>
> Find what it is using and then block that.
>
> Regards
> Henrik
-- Serban Teodorescu.Received on Fri Feb 20 2004 - 02:56:36 MST
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