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Man Pages


Manual Reference Pages  -  DNS2TCPD (1)

NAME

dns2tcpd - A tunneling tool that encapsulate TCP traffic over DNS.

CONTENTS

Synopsis
Description
Options
Configuration Files
Authors
See Also

SYNOPSIS

dns2tcpd [ -h ] [ -F ] [ -i address ] [ -f config_file ] [ -p pidfile ] [ -d debug_level ]

DESCRIPTION

dns2tcp is a network tool used to encapsulate TCP communications in DNS. When connections are received on a specific port all TCP traffic is sent to the remote dns2tcpd server and forwarded to a specific host and port. Multiple connections are supported.

It was written for demonstration purposes

OPTIONS

-h Help Menu
-F Run in foreground
-i IP address
  IP address to bind (default 0.0.0.0)
-f config file
  Configuration file to use
-p pidfile
  File where our pid will be written
-d debug level
  Change debug level. Levels available are 1, 2 or 3.

CONFIGURATION FILES

By default ${HOME}/.dns2tcprcd is used if no configuration file is specified. The resource syntax is <resource-name>:<server>:<port>. Multiple resources can be defined in multilines, but must be comma separated.

Here is an example :
listen = 127.0.0.1 port = 53 user = nobody chroot = /tmp pid_file = /var/run/dns2tcp.pid domain = dns2tcp.hsc.fr debug_level = 0 resources = ssh:127.0.0.1:22 , smtp:127.0.0.1:25, pop3:10.0.0.1:110

AUTHORS

Olivier Dembour <olivier.dembour@hsc.fr>

SEE ALSO

ssltunnel

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