When time allows, I like to post my collections of the worst IP addresses for the current year. Certainly, there are pros and cons to using an IP blacklist. In general, IPs are easily spoofed, change frequently, and are therefore unreliable as a general security strategy. But as a short-term solution, IP blacklists serve as an excellent method for dealing with specific and/or ongoing threats and attacks. For example, you may use a firewall to protect your site against malicious scanning, bad bots, and the typical evil request, but if your site specifically is targeted by an attacker, spammer, or […]
via Perishable Press 2013 IP Blacklist