Reverse SSH is a technique that can be used to access systems (that are behind a firewall) from the outside world. As you already know SSH is a network protocol that supports cryptographic communication between network nodes. Using this protocol, you can do a secure remote login, secure copy from/to a remote machine etc. You’ll … Continue reading How to Setup Reverse SSH Tunnel on Linux
SSH
SSH/OpenSSH/Keys on Ubuntu
Public and Private Keys Public key authentication is more secure than password authentication. This is particularly important if the computer is visible on the internet. If you don't think it's important, try logging the login attempts you get for the next week. My computer - a perfectly ordinary desktop PC - had over 4,000 attempts … Continue reading SSH/OpenSSH/Keys on Ubuntu
Frozen connection using ssh over Amazon EC2 using Ubuntu
Question: When I am connected to Amazon EC2 using the secure shell and don't type anything for a few minutes, everything freezes. I can't type anything or exit. After a few minutes I get a message from the server... Last login: Fri Dec 6 23:21:28 2013 from pool-173-52-249-158.nycmny.east.verizon.net ubuntu@ip-172-31-31-33:~$ Write failed: Broken pipe Some of … Continue reading Frozen connection using ssh over Amazon EC2 using Ubuntu
How to use secure VNC with SSH
Securing a VNC connection with OpenSSH I write this sitting at Maude's Cafe in downtown Gainesville via GRU's public wireless network which was just deployed. I'm doing it, coincidently enough, over VNC encrypted via SSH. This ties in nicely with my recent wireless articles, including my initial adoption and compiling and configuring drivers.So, while I … Continue reading How to use secure VNC with SSH