0
votes
0answers
7 views

Reverse SSH Tunneling Question [migrated]

I'm somewhat confused on reverse SSH tunneling and I'd really like someone to help me out. My Goal: I'd like to create a physical backdoor to a network using a BeagleBone Black (or RaspberryPi or ...
0
votes
0answers
32 views

Pwn Plug like tunneling suite

Is there some sort of a (free) SSH tunneling suite like the one on the Pwnie Express' Pwn Plug (R2)? It has SSH over HTTP, DNS, ICMP, and other covert tunneling options and uses BackTrack 5 as a SSH ...
-2
votes
1answer
518 views

Open ports and SSH Tunneling to shared hosting

I know your time is valuable so I'm not waiting for specific answers to my situation. I don't mind reading documentation, so pointers to something that converges would be greatly appreciated. I don't ...
3
votes
1answer
218 views

ISP and ssh tunneling

I have a question about ssh tunneling. Is it possible for the ISP to realize the destination server which I want to connect it via ssh tunneling? I mean the destination website which I want to visit ...
3
votes
1answer
1k views

How can I detect if someone is using an ssh tunnel as a proxy to connect to a VPN?

I've got an SSH server setup in a remote location, which I use to tunnel traffic from an android tablet. On the tablet, I have the Cisco AnyConnect app to connect to my company's VPN. We want to be ...
9
votes
4answers
2k views

How to use public WiFi safely?

The Dangers of Open Wi-Fi How does one go about sending valuable information (for example inputting email username and password) over a free password-less public WiFi network? The only option that I ...
3
votes
3answers
830 views

Using /usr/bin/passwd as login shell

I have a requirement to set up a SSH tunnel between two hosts. SSH server runs on a Linux host, and the SSH client (PuTTY) runs on a Windows host. I have set up a separate user account (say 'tunnel') ...
3
votes
3answers
120 views

Can the root of a system access to unencrypted data when using a double tunnel?

I connect to a DMZ gateway system (B) which is not secured. From this machine (B) I can connect to the final destination (C). A-->B-->C I created a ssh tunnel from A to B and forwarding the port 22 ...
3
votes
3answers
6k 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 ...
11
votes
2answers
2k views

Security Concerns with X11 Forwarding

What are some of the security concerns and reasons either for or against allowing X11 Forwarding. I have generally taken an approach of not allowing it under the blanket guise of security. Recently, ...
4
votes
2answers
1k views

What are the security implications of SSH tunneling?

We have an internal lan (not connected to internet, all internal ip addresses, behind a firewall, no routing to outside), we also have a machine that sits on the edge of our lan (two nics, one on the ...
5
votes
3answers
896 views

What is the difference between encrypted data and data sent through an encrypted tunnel

I am looking at different VPN protocols. [1] L2TP does not provide encryption so require IPSec to encrypt the data [2] IPSec tunnel provide encryption to the tunnel What is the difference in terms ...
8
votes
5answers
1k views

Creating tunnel with most ports closed?

How can I create a proxy tunnel from a network that has all ports but port 80 closed? I guess I'd have to bind SSH on my server to port 80, but would that introduce problems to my home network since ...