> {} Currently, we have TALK blocked, but I have a user who needs/wants
> {} to be able to use talk to communicate with a collegue outside
> {} of our network. Any big problems with allowing this access?
Anyway, talk uses it's UDP port (517/518) just to tell each side which
TCP ports to use, and these are allocated on demand (and thus hard to
filter).
IRC *might* be better/easier to control (most IRC servers use either
TCP/194 or TCP/6667), but beware of the `mail' and `ctc' messages
within IRC.
References:
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