From owner-freebsd-hackers Wed Jun 19 1: 3: 7 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from south.nanolink.com (south.nanolink.com [217.75.134.10]) by hub.freebsd.org (Postfix) with SMTP id 0FCB037B409 for ; Wed, 19 Jun 2002 01:03:00 -0700 (PDT) Received: (qmail 73504 invoked by uid 85); 19 Jun 2002 08:13:48 -0000 Received: from unknown (HELO straylight.ringlet.net) (212.116.140.125) by south.nanolink.com with SMTP; 19 Jun 2002 08:13:44 -0000 Received: (qmail 7656 invoked by uid 1000); 19 Jun 2002 08:01:19 -0000 Date: Wed, 19 Jun 2002 11:01:19 +0300 From: Peter Pentchev To: Varshavchick Alexander Cc: hackers@FreeBSD.ORG Subject: Re: Getting pid of listening process Message-ID: <20020619080119.GB369@straylight.oblivion.bg> Mail-Followup-To: Varshavchick Alexander , hackers@FreeBSD.ORG References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="gKMricLos+KVdGMg" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.99i X-Virus-Scanned: by Nik's Monitoring Daemon (AMaViS perl-11d ) Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --gKMricLos+KVdGMg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jun 19, 2002 at 11:48:56AM +0400, Varshavchick Alexander wrote: > Hi gurus, >=20 > can anybody make a hint as how pid of a process listening on a specified > tcp port can be determined? Of cause there are major utilities like lsof > or sockstat but they gather a lot of extra information and work not too > fast. What I need ideally would be a small C program which outputs pid > given a port number as a parameter, can anybody help? Very few things could work faster than lsof(1) with appropriate command-line options. I would suggest that you take the time to read the lsof manual page carefully, then try something like: lsof -nPli 4tcp:25 Of course, depending on your needs, you may want to drop the -P, -l or -n options. G'luck, Peter --=20 Peter Pentchev roam@ringlet.net roam@FreeBSD.org PGP key: http://people.FreeBSD.org/~roam/roam.key.asc Key fingerprint FDBA FD79 C26F 3C51 C95E DF9E ED18 B68D 1619 4553 If this sentence were in Chinese, it would say something else. --gKMricLos+KVdGMg Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (FreeBSD) iD8DBQE9EDpO7Ri2jRYZRVMRAuv/AKCHn8HE2TUcWbO9cpD9ZtRuD4wQxACdF6MR 1DA0Vw8SK8i5lvMAVBgxoT0= =cgy8 -----END PGP SIGNATURE----- --gKMricLos+KVdGMg-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message