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| ICMP-Tunnel | | ICMP-Tunnel | ||
| | | Firewall Intro (Ausarbeitung, Vortrag zusammen) | ||
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|hiding stuff in ip headers | |hiding stuff in ip headers | ||
| | | ip and ssh tunnel | ||
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|- | |||
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| http,https,http-header | |||
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| DNS-tunnel (mit Verweis auf DNS-Vortrag) | |||
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= Contents = | |||
* short Intro to Firewalls | * short Intro to Firewalls | ||
| Zeile 24: | Zeile 32: | ||
* the art of hiding (backpacking your data) | * the art of hiding (backpacking your data) | ||
** Tunnel | ** Tunnel | ||
*** ip tunnel | *** ip tunnel (incl. Why TCP over TCP is a bad idea) | ||
*** ssh tunnel | *** ssh tunnel | ||
| Zeile 42: | Zeile 50: | ||
more to come ... | 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 | |||
''' 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 whole in the set-up, exploit it! Enjoy!'' | |||
** We show you: | |||
*** some basic techniques and tools | |||
*** some examples | |||
Version vom 22. November 2004, 10:09 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
- 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 whole in the set-up, exploit it! Enjoy!
- We show you:
- some basic techniques and tools
- some examples