Tagged Questions
-1
votes
1answer
80 views
No data going through IPsec Tunnel [closed]
I encountered the question below in an exam, which I'm trying to understand, kindly help me out to decipher this.
Question: An IPSec tunnel between two firewalls has been set up. However, no data is ...
1
vote
4answers
273 views
Connections through Firewalls explained
I'm looking for a good explanation of how connections work through firewalls.
I've got the idea of packaging(encapsulating) some protocol inside another one as its payload when tunneling.
But what I ...
2
votes
3answers
2k views
How to create ssh tunnel using netcat?
I want to create reverse connection between two machines, but these is a firewall in the middle preventing all connections, except ssh. I want to create ssh tunnel using netcat, could you please tell ...
0
votes
2answers
296 views
Enabling firewall for the IPv6 tunnel on Windows 2008 64-bit
I am currently on a IPv4 network. The IPv4 network is accessed by a router, which gives my machines IPv4 addresses via NAT.
On one of the machines, a Windows 2008 64-bit machine, I have set up a IPv6 ...
14
votes
5answers
4k views
Do you detect/react to DNS tunnelling?
I've just seen a talk about tunnelling TCP/IP over DNS requests, because port 53 UDP is usually open and unfiltered. What techniques exist to detect and block such tunnels, and have you ever seen that ...