I want to allow host-2 to copy a file securely from host-1, so the easiest way is to use “scp” command which use “ssh” as a transport to copy the file. If you want to do it manually it is straight forward “scp” invocation: host-2$ scp host-1:data.csv . But if you want to automate it you have to use “ssh” keys, but this means leaving a private ssh key on host-2 that can access host-1 without any restriction, i.

Fail2ban is a program that scan your log files for any malicious behavior, and automatically block the offending IP.

PuTTY Tray is an improved version of PuTTY. It features some cosmetic changes, and a number of addons to make it more useful and much more fun to use. The features that I really like: Minimizing to the system tray Portability: optionally stores session configuration in files (for example: on a USB drive) like portaPuTTY Reconnects when your PC wakes up from stand-by / Attempts to reconnect when the connection fails http://www.