DNS tunneling (IP-over-DNS)
Sometimes, you are at an airport, hotel, train station, … a access point is available, with a captive portal, and you start to feel
not so well because you haven’t checked your mail in the last 6 hours.
But a access point that permit dns queries is available.
Links:
- IP Tunneling Through Nameservers
- Black Ops 2004 @ LayerOne
- Black Ops of DNS Chaos Communications Camp 2003
- DNS tunneling
- Public Access to Tor via DNS
- DNStunnel.de
- DNScat
- NSTX (IP-over-DNS) HOWTO
- A traffic-analysis approach to detecting DNS tunnels
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