in Open Source

Blocking IP Addresses on Linux Server

Had some suspect IP addresses trying to attempt to login via the admin user in Moodle. Best thing to do is block the IP address to the server or even better the IP range (after doing a IP lookup to see where the IP address came from).

References:

http://www.cyberciti.biz/faq/how-do-i-block-an-ip-on-my-linux-server/