dns2tcpd(1)dns2tcpd(1)NAMEdns2tcpd - A tunneling tool that encapsulate TCP traffic over DNS.
SYNOPSISdns2tcpd [ -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>. Mul‐
tiple resources can be defined in multilines, but must be comma sepa‐
rated.
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
dns2tcpd(1)
