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Man Pages


Manual Reference Pages  -  VTUND (8)

NAME

vtund - VTun(Virtual Tunnel) daemon.

CONTENTS

Synopsis
Description
Options
     Server mode:
     Client mode:
Files
Signals
See Also
Notes
Authors

SYNOPSIS

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

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

DESCRIPTION

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

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

VTun is easily and highly configurable, it can be used for various network task like VPN, Mobile IP, Shaped Internet access, IP address saving, etc.

It is completely user space implementation and does not require modification 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.

    Server mode:

-s Run as the server.
-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 potential VM deadlock. Useful with NFS traffic. This option has no config file equivalent.
-t timeout
  Connect timeout Default is 30 seconds. This options is equivalent to the ’timeout’ option of config file.
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>
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