Ptunnel for centos

https://pkgs.org/download/ptunnel

 

http://www.linuxscrew.com/2008/04/10/ptunnel-sendreceive-tcp-traffic-via-icmp-reliably

 

http://manpages.ubuntu.com/manpages/xenial/man8/ptunnel.8.html

 

http://manpages.ubuntu.com/manpages/xenial/man8/ptunnel.8.html

 

http://managevps.blogspot.com/2010/08/install-ptunnel-on-server-centos-55-for_01.html

 

http://alvacode.blogspot.com/2010/09/install-ptunnel-on-centos-run-client.html