Let’s have a look at who’s been trying to break into SSH service on my development server recently, and where in the world they’re attacking from. Since I implemented fail2ban to trap out these attempted dictionary attacks, it’s logged the network addresses of all the culprits. Here’s who got caught in recent activity:
Network Security
Securing wired and wireless networks against intrusion.
Network Intrusion Encounters and Countermeasures
Network intrusion threats ran rampant and unchecked on the internet, invisible to most users. You may see no apparent signs of the automatic probes directed at your computer network, arriving around the clock, scanning for potential entry points. But they are occurring, maybe right now. Any exposed service may be expected to be quickly discovered and subjected to attack.