IP Security & Reputation

Published Aug 28, 2026

How to Block an IP Address in Windows Firewall (And Why Your Rule Isn't Working)

Block an IP in Windows Firewall the right way. Which Scope box the address goes in, why your rule silently fails, & how to prove the block a...

Expert Analyst Robert Harrison

Published Aug 28, 2026

How to Block VPN, Proxy and Tor Traffic Without Losing Real Customers

Block VPN, proxy and Tor traffic without losing customers. Four categories, four policies, and why the traffic you actually want is the one ...

Expert Analyst Robert Harrison

Published Aug 28, 2026

How to Block Datacenter IPs Without Blocking Your Own Integrations

Block datacenter IPs without breaking your own stack. Where to get the provider ranges, why one cloud excludes itself, and exactly what stop...

Expert Analyst Robert Harrison

Published Aug 27, 2026

How to Block a Country From Your Website: Allowlist, Not Blocklist

Block a country from your website the right way. Why an allowlist beats a blocklist, how accurate geolocation actually is, and when geo-bloc...

Expert Analyst Robert Harrison

Published Aug 27, 2026

How to Block an IP Range: Turning Start and End Addresses Into CIDR Blocks

Block an IP range without over-blocking. See why one range becomes several CIDR blocks, what rounding up to a /24 really costs, and the rang...

Expert Analyst Robert Harrison

Published Aug 27, 2026

How to Block an Entire ISP or Hosting Provider by ASN (2026)

Block an entire ASN the right way. Find the number, judge the network, export every prefix, and load it as one set rather than thousands of ...

Expert Analyst Robert Harrison

Published Aug 27, 2026

How to Block AI Crawlers in 2026: GPTBot, ClaudeBot and the September 15 Deadline

Block AI crawlers without losing AI search visibility. The live user agent tokens, the dead ones people still copy, and the Cloudflare 15 Se...

Expert Analyst Robert Harrison

Published Aug 27, 2026

How to Verify Googlebot and AI Crawlers Before You Block Them (2026)

Verify Googlebot, GPTBot and ClaudeBot before you block them. Learn reverse DNS, published IP range checks, and the four mistakes that make ...

Expert Analyst Robert Harrison

Published Aug 27, 2026

How to Block an IP Address in Cloudflare: Custom Rules vs IP Access Rules

Block an IP address in Cloudflare the way its own docs recommend. Custom rules vs IP Access rules, which action to pick, and the precedence ...

Expert Analyst Robert Harrison

Published Aug 27, 2026

How to Block an IP Address in .htaccess: Apache 2.4 Syntax That Works

Block an IP address in .htaccess using the correct Apache 2.4 syntax. See why Deny from is deprecated, how to block ranges, and why your rul...

Expert Analyst Robert Harrison

Published Aug 26, 2026

How to Block an IP Address: Every Layer, Every Platform (2026 Guide)

How to block an IP address at every layer: firewall, router, server, CDN and WAF. Learn which method to pick, what it breaks, and why most b...

Expert Analyst Robert Harrison

Published Aug 26, 2026

Someone Used My IP Address for Illegal Activity: What Actually Happens (2026)

Someone used your IP address for illegal activity? See what an IP proves in court, how an ISP subpoena works, and the exact steps to take in...

Expert Analyst Sarah Thompson