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Privacy and IP address guides

Plain-English explanations of IP addresses, DNS, VPNs and tracking, each one linked to a free tool so you can check your own connection.

Scams & phishing

What to do after an online fraud in IndiaPaid a scammer, shared an OTP or clicked a fake link? A first-hour checklist for India: bank, 1930 helpline, cybercrime portal, evidence and Chakshu.How to spot fake login pages and lookalike domainsLearn how to read a web address, catch lookalike domains and fake login pages, and what to do when a page asks for your password after a message or ad.What to do if you clicked a phishing linkClicked a suspicious link or typed a password on a fake page? Follow these steps in order: what to change, check and report, and what can wait.

Mobile safety

App permissions explained for Android and iPhoneWhat camera, location, contacts, microphone and other app permissions really allow, which to refuse, and how to review and remove them on Android and iPhone.

VPN problems

DNS requests bypassing your VPN: how to find and fix themA DNS leak sends your lookups to your ISP even with a VPN on. Why it happens on Windows, macOS, Android and iPhone, and how to fix it.VPN connected but your real IP is still visible: causes and fixesTest shows your real IP while the VPN says connected? Check IPv6, WebRTC, DNS, split tunnelling and a dropped tunnel in order, and how to confirm each.

Safe browsing

Fake virus warnings and malicious popups: what to doPopups claiming your device is infected are scams. Learn to spot them, close them safely and clean up notification and extension settings.

Connection safety

Is public Wi-Fi safe? What actually protects youPublic Wi-Fi is less risky than it used to be, but not risk-free. Learn what other people on the network can see, which habits matter, and when a VPN helps.

Account security

Strong passwords and two-step verification, made simpleSecure your accounts: unique passwords with a password manager, two-step verification starting with email, and how to end a stolen session.

Browser privacy

What your browser fingerprint reveals about youA browser fingerprint is a mix of settings sites read without cookies. See what it includes, how identifying it is and which steps reduce it.

Tracking

Canvas Fingerprinting ExplainedHow canvas fingerprinting works, why the same drawing produces different pixels on different devices, who uses it, and how browsers defend against it.How to Prevent Browser FingerprintingPractical ways to reduce browser fingerprinting: the browsers and settings that help, the tricks that backfire, and how to test whether your changes worked.How Websites Track You Without CookiesCookies are only one way sites follow you. IP addresses, fingerprints, tracking IDs and logins work too. What they are and how to limit them.What Is Browser Fingerprinting?Browser fingerprinting identifies you without cookies by combining screen size, fonts and graphics. How it works, who uses it and how to reduce it.

VPNs & DNS

How to Check If Your VPN Is Leaking Your IP AddressA five-minute checklist to test your VPN for IP, DNS, WebRTC and IPv6 leaks, and what to do if any test fails. Free tools, no sign-up.How to Test Your VPN Kill SwitchA kill switch should cut your internet when the VPN drops. Here is a simple, safe way to test it with a repeating IP check, on Windows, Mac and Linux.What Is an IPv6 Leak, and How Do You Fix It?An IPv6 leak exposes your real address even while a VPN shows connected. Learn how it happens, how to test for it and three ways to fix it.Do VPNs Leak DNS?Why a VPN can still leak your DNS requests to your ISP, the common causes (IPv6, Windows, browser DoH) and how to test for and fix a DNS leak.Are Free VPNs Safe?Why free VPNs are risky, how they make money, documented cases of abuse and what to use instead if you cannot pay. Includes a checklist to evaluate any VPN.VPN vs Proxy vs TorVPN vs proxy vs Tor compared: what each hides, who can still see your traffic, speed, cost and which to choose for streaming, privacy or anonymity.

Privacy how-tos

How to Find Out Which DNS Server You Are UsingStep-by-step commands for Windows, Mac, Linux, Android and iPhone to see your DNS server, plus a free test that shows who really answers your lookups.How to Change Your DNS ServerChange your DNS server on Windows 11, macOS, Android, iPhone and your router, with the addresses for Cloudflare, Google and Quad9 and the privacy trade-offs.How to Hide Your IP AddressFive practical ways to hide your IP address, from VPNs and Tor to proxies and hotspots: what each protects, what it does not, and how to verify.How to Stop WebRTC LeaksStep-by-step settings to stop WebRTC leaking your real IP address in Firefox, Chrome, Edge, Brave and Safari, and how to confirm the leak is closed.

IP basics

Why Does My IP Address Show the Wrong Location?IP geolocation is an estimate, not a GPS fix. Learn why sites show the wrong city or even country for your IP address, and what you can do about it.IPv4 vs IPv6IPv4 vs IPv6 explained: address formats, why we need IPv6, how dual stack works and why a VPN that ignores IPv6 can reveal your real location.Public vs Private IP AddressPublic vs private IP addresses: the private ranges, how NAT connects them and why your router shows a different address than websites see.Static vs Dynamic IP AddressStatic IPs stay the same, dynamic IPs change. How each works, why providers use dynamic addresses, and what it means for privacy and hosting.What Is an IP Address?What an IP address is, how it works, what websites can learn from yours and what they cannot. Explained simply, with a tool to see your own.What Is CGNAT (Carrier-Grade NAT)?Carrier-grade NAT lets ISPs share one public IP between many customers. How to check if you are behind it and what it means for hosting and bans.

India

ISP Blocking and DNS in India: What Works and What Doesn'tHow Indian ISPs block sites (DNS, SNI, IP), why changing DNS only sometimes helps, and how to check if a block is DNS-level. Privacy trade-offs.