An introduction to GetIPIntel can be found in this recent article . I've developed a Typecho plugin that blocks visitors using proxies from commenting or sends their comments directly to the spam bin. Features: Multiple mode options (Blacklist only, Quick Check, Full Check) Various handling measures (Manual review, Send to spam bin, Submission failure) Custom threshold The plugin can be downloaded at https://github.com/xddxdd/typecho-getipintel . Simply place the GetIPIntel folder into the usr/plugins directory....

You never know whether the person chatting with you online is a human or a dog. The anonymity of the internet greatly facilitates online fraud. A few years ago, several webmasters in a student webmaster alliance had their email addresses leaked. Troublemakers then used Go^_^Agent to impersonate them, using their common usernames and email addresses to harass other bloggers in the alliance, causing widespread chaos. The widely used Akismet clearly failed to help, and blocking IPs afterward proved ineffective (the troublemaker would hit-and-run). Popular anti-fraud services at the time, like MaxMind, required high fees that ordinary webmasters couldn't afford. But now,...