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ringd(1)							      ringd(1)

NAME
       ringd - Server for binding low TCP ports from non-root programs

SYNOPSIS
       ringd  [--help]	[--version]  [-u USER, --user USER] [-g GROUP, --group
       GROUP]

DESCRIPTION
       ringd is used by pproxy to open TCP ports <1024	for  listening.	 ringd
       runs  in the background and gets requests to open a port through a UNIX
       domain socket. It will then open a socket, bind	it  to	the  specified
       port  and  pass	it back to the calling program.	 ringd also stores the
       file descriptor itself and if another process askes for the  same  port
       it  will	 just  hand  over  the already bound socket. This way multiple
       independent processes can share the same bound port. ringd keeps a ref‐
       count  so it knows when to close the socket itself, but this means that
       all processes, that got a socket through ringd, must make sure to  tell
       ringd when they close the socket or exit.

       ringd will reopen its log file if it receives a HUP signal.

       For details see the POPular manual.

OPTIONS
       --help Print short help screen.

       --version
	      Print version information.

       -u USER, --user USER
	      User which is used for ownership of the Unix domain socket which
	      is used to talk to the pproxy. This  should  be  the  same  user
	      pproxy is running as. No default.

       -g GROUP, --group GROUP
	      Group  which  is	used  for  ownership of the Unix domain socket
	      which is used to talk to the pproxy. This	 should	 be  the  same
	      group  pproxy is running as. Default is the primary group of the
	      given user.

FILES
       /var/log/popular/ringd
	      Log file.

SEE ALSO
       pcheck(1), pcheckd(8), pclean(8), pcontrol(1),  pdeliver(1),  pserv(8),
       pstatus(1), ptestpdm(1), The POPular Manual

AUTHOR
       Jochen Topf jochen@remote.org

				    http://www.remote.org/jochen/mail/popular/
       <URL:http://www.remote.org/jochen/mail/popular/>

COPYRIGHT
       The  POPular  suite  is	copyright  (C)	1999-2002   by	 Jochen	  Topf
       jochen@remote.org.

       This program is free software; you can redistribute it and/or modify it
       under the terms of the GNU General Public License as published  by  the
       Free  Software Foundation; either version 2 of the License, or (at your
       option) any later version.

       This program is distributed in the hope that it	will  be  useful,  but
       WITHOUT	ANY  WARRANTY;	without	 even  the  implied  warranty  of MER‐
       CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the  GNU  General
       Public License for more details.

       You should have received a copy of the GNU General Public License along
       with this program; if not, write to the Free Software Foundation, Inc.,
       59 Temple Place, Suite 330, Boston, MA 02111-1307, USA

								      ringd(1)

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