postmaster udp ports?

From: Andrew Zahn <azahn(at)insors(dot)com>
To: pgsql-admin(at)postgresql(dot)org
Subject: postmaster udp ports?
Date: 2007-01-31 16:56:21
Message-ID: 45C0CA35.6000601@insors.com
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Does anyone know what postmaster is doing with these UDP ports?
On a fresh installation these ports are opened and I cannot find any
documentation on what they are for....

postmaste 5398 postgres 3u IPv4 53988 TCP *:5432 (LISTEN)
postmaste 5398 postgres 5u IPv4 53994 UDP ucs:32774->ucs:32774
postmaste 5400 postgres 5u IPv4 53994 UDP ucs:32774->ucs:32774

Thanks
Andrew

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