[CALUG] More UDP foolishness

Mordechai T. Abzug morty at frakir.org
Thu Apr 13 22:48:19 CDT 2006

On Thu, Apr 13, 2006 at 11:43:19PM -0400, Jason C. Miller wrote:

> So, the question is....can anybody recommend a COMMON program that
> you would find on most operating systems that could be pointed at an
> arbitrary UDP port and would tell you the status of that port?
> Seems like it'd be simple, but I can't seem to think of any at the
> moment.

For the local computer, netstat works just great.  Comes with Linux,
Solaris, lots of other *nix variants, and even Windows.  lsof is also
reasonably common.

For a remote computer, no such luck.  But netcat is really portable,
and is a telnet-like client for testing both TCP and UDP connections.

- Morty

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