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VTUND(8)		    System Manager's Manual		      VTUND(8)

NAME
       vtund - VTun(Virtual Tunnel) daemon.

SYNOPSIS
       vtund < -s > [ -i ] [ -n	] [ -f file ] [	-P port	]

       vtund  [	-f file	] [ -P port ] [	-p ] [ -q ] [ -m ] [ -t	timeout	] [ -n
       ] [ -e ]	[ -s pid_file ]	< session > < server address >

DESCRIPTION
       VTun provides the method	for creating Virtual Tunnels over TCP/IP  net-
       works and allows	to shape, compress, encrypt traffic in that tunnels.

       Supported  type of tunnels are: PPP, IP,	Ethernet and most of other se-
       rial protocols and programs.

       VTun is easily and highly configurable, it can be used for various net-
       work  task like VPN, Mobile IP, Shaped Internet access, IP address sav-
       ing, etc.

       It is completely	user space implementation and does not require modifi-
       cation to any kernel parts.

OPTIONS
       -f file
	      Read  config  information	from the file (full path required). By
	      default vtund uses /etc/vtund.conf

       -n     Do not become daemon (required on	no-MMU systems).

   Server mode:
       -s     Run as the server	(not available on no-MMU systems).

       -i     Run as the inetd server.

       -P port
	      Listen for connection on the specified  port  By	default	 vtund
	      listens  on  TCP	port  5000.  This options is equivalent	to the
	      'port' option of config file.

   Client mode:
       -P port
	      Connect to the server on the specified  port  By	default	 vtund
	      connects	to  TCP	 port  5000. This options is equivalent	to the
	      'port' option of config file.

       -p     Reconnect	to the server after connection termination. By default
	      vtund  will exit if connection has been terminated. This options
	      is equivalent to the 'persist' option of config file.

       -q     Inhibit the printing of connection messages.

       -m     Force memory pages to be locked memory-resident to  prevent  po-
	      tential  VM deadlock.  Useful with NFS traffic.  This option has
	      no config	file equivalent.

       -t timeout
	      Connect timeout Default is 30 seconds. This options  is  equiva-
	      lent to the 'timeout' option of config file.

       -e     Use vtun-v6 extended mode.

       -z pid_file
	      Connect  z pid_file The full pathname of the file	containing the
	      PID of the daemon	in server mode.

       session
	      Session name from	the config file.

       server Address of the server to connect to. Either IP address or	domain
	      name can be specified.

FILES
       /etc/vtund.conf
	      Main  configuration  file	 with  sessions	and other information.
	      See  vtund.conf	example	  provided   with   distribution   and
	      vtund.conf(5) for	more information.

       /var/lock/vtund/
	      Session lock files.

       /var/log/vtund/
	      Connection statistic log files.
	      Format:
		 Date Uncomp_In	Uncomp_Out Comp_In Comp_Out

SIGNALS
       SIGHUP Server mode: Causes vtund	to reread the config file.
	      Client mode: Causes vtund	to reestablish the connection.

       SIGUSR1
	      This signal causes vtund to reset	statistic counters.

SEE ALSO
       vtund.conf(5)

NOTES
       This product includes software developed	by the OpenSSL Project for use
       in the OpenSSL Toolkit. (http://www.openssl.org/)

AUTHORS
       Maxim Krasnyansky <max_mk@yahoo.com>

								      VTUND(8)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SIGNALS | SEE ALSO | NOTES | AUTHORS

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