Linux

It looks like the danted version (v1.1.19) in the Ubuntu 14.04 repository ("apt-get install dante-server") has a bug, which prevents the "username" authentication method from working. system password userauthentication failed…

The following post describes how to set up SSH with key authentication and a secure configuration on Ubuntu 14.04. Long RSA host + client keys will be generated. All ciphers…

Dedicated servers from online.net ("dedibox","kidéchire") come without IPv6 preconfigured. You can order a /48 and then split it up into as many subnets as you want here. Create the dhclient6.conf…

### filepost.com has not been accepting new premium users, so this script is probably useless to you. However, it may be helpful for users whose premium account has not expired.…

Are you also sick of this error message? @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be…

I tried to disable all weak ciphers and only enable ciphers with PFS (Perfect Forward Secrecy) on Dovecot on Debian 7. Perfect Forward Secrecy means that TLS connections can not…

You can disable insecure SSH ciphers. Check "man ssh_config" for the available ciphers, then add them to /etc/ssh/ssh_config (client) or /etc/ssh/sshd_config (server). I added the following to /etc/ssh/sshd_config on Debian…