The Lazy Genius

Security News & Brain Dumps from Xavier Ashe, a Bit9 Client Partner

NSTX (IP-over-DNS) HOWTO

Posted by Xavier Ashe on July 17, 2006

You're sitting in an airport or in a cafe, and people want your money for
Internet access. They do allow DNS traffic, though. Enters NSTX. NSTX is
a hack to tunnel IP traffic over DNS. NSTX (IP-over-DNS) seems cool, but you
cannot get it to work. You've downloaded the latest version, maybe because you
saw it mentioned
on Slashdot
. You've looked at the nstx project page and the
freshmeat page. You even
tried reading some confusing
documentation
. Maybe you gave up and tried OzymanDNS. But curiousity got the better
of you. You really want to use this.

Once you've followed these instructions, you basically have a remote proxy,
providing you with access to the Internet. Communication between you and the
remote proxy is over NSTX.

If DNS traffic does not work, but ICMP traffic (i.e., ping) works, try ICMPTX: IP-over-ICMP. Note that these
instructions play nicely with ICMPTX. You can run both on one proxy.

Pretty interesting stuff on Thomer.com.  I haven't had a problem since getting an EVDO PC card from Sprint. .5- 1 Meg pipe from just about anywhere.  No more hotspot searching!

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