Security and privacy
VPNs, proxies, firewalls and leaks.
Tools 1
Learn 13
Tutorials 5
Fixes 22
- "Your Connection Is Not Private": What It Means and What to Do
- "Permission Denied (publickey)": How to Fix SSH Keys
- "Privacy Warning" and "Weak Security" on Wi-Fi: What They Mean
- "Secure Connection Failed" in Firefox: How to Fix It
- "Self-Signed Certificate in Certificate Chain": How to Fix It
- "Unable to Get Local Issuer Certificate": Fixes for git, curl, npm and Python
- ERR_BAD_SSL_CLIENT_AUTH_CERT: How to Fix It
- ERR_BLOCKED_BY_CLIENT: What It Means
- ERR_BLOCKED_BY_RESPONSE: What It Means
- ERR_CERT_COMMON_NAME_INVALID: How to Fix It
- ERR_CLEARTEXT_NOT_PERMITTED (Android WebView): How to Fix It
- ERR_NETWORK_ACCESS_DENIED: How to Fix It
- ERR_SSL_PROTOCOL_ERROR: How to Fix It
- ERR_SSL_UNRECOGNIZED_NAME_ALERT: How to Fix It
- ERR_SSL_VERSION_OR_CIPHER_MISMATCH: How to Fix It
- ERR_TUNNEL_CONNECTION_FAILED: How to Fix It
- How to Tell If Your Mac Is Hacked: Network Signs
- NET::ERR_CERT_AUTHORITY_INVALID: How to Fix It
- NET::ERR_CERT_DATE_INVALID: How to Fix It
- Safari Can't Establish a Secure Connection: Fixes
- SSL Handshake Failed: Causes and Fixes
- SSL_ERROR_RX_RECORD_TOO_LONG: How to Fix It