Privacy and security2 min read
How to protect your IP address
What someone can really do with your IP address, what they cannot, and what actually protects you: an updated router, sensible IPv6, VPNs and encrypted DNS.
Privacy and security
What your IP address does and does not reveal; VPNs, proxies and online tracking.
- Privacy and security2 min read
VPNs and your IP address: what changes, and what doesn't
What websites see with a VPN on, how to check that it works, typical leaks, and what a VPN doesn't protect against.
- Privacy and security2 min read
What can a website see about me?
IP address, headers, browser details and cookies: what is sent automatically, what needs your permission, and what you can limit.
- Privacy and security1 min read
What is a proxy, and how is it different from a VPN?
What a proxy server does, HTTP and SOCKS proxies, reverse proxies and CDNs, residential proxies, and the difference from a VPN.
- Privacy and security2 min read
Can someone find me from my IP address?
What an IP address really says about where you are, who can link it to you, and why 'IP tracing' in films is misleading.
- Privacy and security1 min read
How to change your IP address
Restarting the router, switching to mobile data, a VPN or a fixed IP: what each one changes, and what it doesn't.
- Privacy and security2 min read
What is CGNAT (carrier-grade NAT)?
Why your provider may be sharing one public IPv4 address with hundreds of customers, how to tell, and what it breaks.
- Privacy and security3 min read
How IP geolocation works — and why it's often wrong
Location databases don't know where you are. They know where an address block is probably used. The difference matters.