NAME
vtund - VTun(Virtual Tunnel) daemon.
SYNOPSIS
vtund
<
-s
>
[
-i
]
[
-n
]
[
-f file
]
[
-P port
]
vtund
[
-f file
]
[
-P port
]
[
-p
]
[
-t timeout
]
[
-n
]
<
host
>
<
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
By default vtund uses /etc/vtund.conf
- -n
-
Do not become daemon.
- -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.
- -q
-
Inhibit the printing of connection messages.
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.
- -t timeout
-
Connect
timeout
Default is 30 seconds. This options is equivalent to the 'timeout' option of
config file.
- host
-
Host to authenticate with the server. Password and other information of this
host will be taken 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 hosts 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
-
This signal causes vtund(server mode) to reread config file.
- SIGUSR1
-
This signal causes vtund to reset statistic counters.
SEE ALSO
- vtund.conf(5)
-
NOTES
VTun has been derived from VPPP package by Maxim Krasnyansky.
Comments, ideas and if possible patches are always welcome.
AUTHORS
Maxim Krasnyansky <max_mk@yahoo.com>
