[vox-tech] firewall question

[Jeff Newmiller]

On Thu, 3 Jan 2002, Peter Jay Salzman wrote:

> i've always opened things up like 80/udp and 22/udp "just because".

tsk. :)

> web and ssh work fine just opening up 80/tcp and 22/tcp.   what exactly
> are the udp ports used for?

Confusion control.  IETF assigns well-known tcp and udp ports in pairs in
an attempt to limit confusion when people say "port 80" etc.

> is there any reason to open them up?

Not unless you are using them for your own nefarious purposes. :)

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