Date: Wed, 4 Nov 2015 11:44:00 -0800 From: Charles Swiger <cswiger@mac.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: "freebsd-net@freebsd.org" <freebsd-net@FreeBSD.org> Subject: Re: who uses this port? Message-ID: <6B1F31BD-863E-45E3-BD48-71B2E3702203@mac.com> In-Reply-To: <563A5F39.7010906@FreeBSD.org> References: <563A5F39.7010906@FreeBSD.org>
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On Nov 4, 2015, at 11:40 AM, Andriy Gapon <avg@FreeBSD.org> wrote: > $ sockstat -l | fgrep 631 > ? ? ? ? tcp4 127.0.0.1:631 *:* > > $ nc -l 127.0.0.1 631 > nc: Address already in use That's the IPP port, commonly grabbed by CUPS and other printing software: % grep 631 /etc/services | head -2 ipp 631/tcp # Internet Printing Protocol ipp 631/udp # Internet Printing Protocol Regards, -- -Chuck
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