Here’s a blacklist check script written in PowerShell. You can use this to lookup an IP address in various blacklists (DNSBL, RBL). Such a check is a great indicator for an IP address’ reputation. Basically this PowerShell blacklist checker is a translation of my Bash script to check an IP address blacklist status in Linux.
The Baidu spider (BaiduSpider user agent) can be a real pain to block, especially since it does not respect a robots.txt as it should. The following IIS URL Rewrite snippet blocks the Baidu spider based on its User-Agent string.
The less spammers hit your WordPress blog, the better your blog performs, is one of my opinions. A second is, the less unnecessary plugins you use on your WordPress blog, the better. So, a little while ago I decided to remove plugins like Stop Spammer Registration Plugin and do its work myself. Here is why […]
Block and filter unwanted web HTTP traffic with blacklists, on both IIS and Apache. Protect your website easily with this PHP blacklist class. Let’s create our own HTTP web blacklist filter.
Project Honey Pot is the first and only distributed system for identifying spammers and the spambots they use to scrape addresses from your website.
Linux Bash shell script to check whether an IP address is listed in a DNSBL blacklist, or RBL. How to check an IP address blacklist status in bash?
How to use .htaccess as a Web Application Firewall (WAF), and block out exploits and rogue HTTP requests. Sometimes you have no choice but to protect your website yourself, for example if your hosting provider doesn’t offer a Web Application Firewall (WAF)  security solution.