Themenabend/Firewall Piercing: Unterschied zwischen den Versionen
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K (Typo, von Astro gefunden) |
(different IP-protocols) |
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Zeile 46: | Zeile 46: | ||
** DNS-Tunnel | ** DNS-Tunnel | ||
** hiding stuff in ip headers | ** hiding stuff in ip headers | ||
** different IP-protocols | |||
** E-Mail tunnel | ** E-Mail tunnel | ||
Version vom 22. November 2004, 15:26 Uhr
Caldrin | Alien8 |
---|---|
ICMP-Tunnel | Firewall Intro (Ausarbeitung, Vortrag zusammen) |
hiding stuff in ip headers | ip and ssh tunnel |
http,https,http-header | |
DNS-tunnel (mit Verweis auf DNS-Vortrag) |
Contents
- short Intro to Firewalls
- Packetfilter
- stateless
- stateful
- NAT (IP header recalculation, CRC checks ...)
- Application Layer Gateway
- Packetfilter
- Basics
- nc / cryptcat
- the art of hiding (backpacking your data)
- Tunnel
- ip tunnel (incl. Why TCP over TCP is a bad idea)
- ssh tunnel
- Tunnel
- Simple Examples of tunnel
- HTTPS-Tunnel (connect)
- Http-Tunnel (GET / POST)
- Web-Shell
- Advanced Examples
- HTTP header
- ICMP-Tunnel
- DNS-Tunnel
- hiding stuff in ip headers
- different IP-protocols
- E-Mail tunnel
more to come ...
Storyline
Introduction
- Welcome ... Thanx for comming ... In Aug we did TA for c3d2 about Firewalls, Got interested in that topic or some joke
- What is a firewall?
- Packetfilter
- stateless
- stateful
- NAT (IP header recalculation, CRC checks ...)
- Application Layer Gateway
- Packetfilter
If you believe in those systems giving you the perfect protection: Don't waste your time! Good bye!
- What we are going to show:
- To circumvent firewalls one has to be creative ... find a hole in the set-up, exploit it! Enjoy!
- We show you:
- some basic techniques and tools
- some examples