Errors
Browser, Terminal and system network errors.
Learn 1
Fixes 79
- "Your Connection Is Not Private": What It Means and What to Do
- 502 Bad Gateway: What It Means and How to Fix It
- DNS_PROBE_FINISHED_NXDOMAIN: What It Means and How to Fix It
- "Connection Reset by Peer": Causes and Fixes
- "Ethernet Doesn't Have a Valid IP Configuration": Fixes
- "No Internet, Secured": How to Fix It
- "Permission Denied (publickey)": How to Fix SSH Keys
- "Secure Connection Failed" in Firefox: How to Fix It
- "Self-Signed Certificate in Certificate Chain": How to Fix It
- "Socket Hang Up" in Node.js: Causes and Fixes
- "This Site Can't Be Reached": Every Cause and Fix
- "Unable to Get Local Issuer Certificate": Fixes for git, curl, npm and Python
- "Unidentified Network": How to Fix It
- 400 Bad Request: What It Means and How to Fix It
- 401 Unauthorized: What It Means (vs 403)
- 403 Forbidden: What It Means and How to Fix It
- 404 Not Found: What It Means and How to Fix It
- 405 Method Not Allowed: Causes and Fixes
- 408 Request Timeout: Causes and Fixes
- 410 Gone: What It Means (vs 404)
- 413 Request Entity Too Large: How to Fix It
- 415 Unsupported Media Type: How to Fix It
- 422 Unprocessable Entity: What It Means
- 429 Too Many Requests: What It Means
- 500 Internal Server Error: Causes and Fixes
- 503 Service Unavailable: Causes and Fixes
- 504 Gateway Timeout: How to Fix It
- Cloudflare Error 520: Unknown Error
- Cloudflare Error 521: Web Server Is Down
- Cloudflare Error 522: Connection Timed Out
- Cloudflare Error 524: A Timeout Occurred
- Cloudflare Error Codes: 520–526, 1015, 1020
- curl: (6) Could Not Resolve Host: How to Fix It
- DNS Server Not Responding: 9 Fixes
- DNS_PROBE_FINISHED_BAD_CONFIG: How to Fix It
- DNS_PROBE_FINISHED_NO_INTERNET: How to Fix It
- DNS_PROBE_STARTED: How to Fix It
- ECONNREFUSED: Connection Refused in Node.js
- ERR_ADDRESS_UNREACHABLE: How to Fix It
- 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_CACHE_MISS: How to Fix It
- ERR_CERT_COMMON_NAME_INVALID: How to Fix It
- ERR_CLEARTEXT_NOT_PERMITTED (Android WebView): How to Fix It
- ERR_CONNECTION_ABORTED: How to Fix It
- ERR_CONNECTION_CLOSED: How to Fix It
- ERR_CONNECTION_REFUSED: What It Means and How to Fix It
- ERR_CONNECTION_RESET: Causes and Fixes
- ERR_CONNECTION_TIMED_OUT: How to Fix It
- ERR_EMPTY_RESPONSE: How to Fix It
- ERR_FAILED: How to Fix It
- ERR_HTTP_RESPONSE_CODE_FAILURE: What It Means
- ERR_HTTP2_PROTOCOL_ERROR: How to Fix It
- ERR_INTERNET_DISCONNECTED: How to Fix It
- ERR_NAME_NOT_RESOLVED: How to Fix It
- ERR_NETWORK_ACCESS_DENIED: How to Fix It
- ERR_NETWORK_CHANGED: Why It Happens and How to Stop It
- ERR_QUIC_PROTOCOL_ERROR: 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_TOO_MANY_REDIRECTS: How to Fix It
- ERR_TUNNEL_CONNECTION_FAILED: How to Fix It
- ERR_UNKNOWN_URL_SCHEME: How to Fix It
- ERR_UNSAFE_PORT: Why Chrome Blocks Some Ports
- getaddrinfo ENOTFOUND: How to Fix It
- HTTP 499: Client Closed Request
- Mac Has a Self-Assigned IP Address: How to Fix It
- NET::ERR_CERT_AUTHORITY_INVALID: How to Fix It
- NET::ERR_CERT_DATE_INVALID: How to Fix It
- NSURLErrorDomain Errors on Mac and iPhone: What Each Code Means
- PR_CONNECT_RESET_ERROR in Firefox: How to Fix It
- Safari Can't Establish a Secure Connection: Fixes
- Safari Can't Find the Server: Fixes for Mac
- SSH "Connection Refused": How to Fix It
- SSH "Connection Timed Out": How to Fix It
- SSL Handshake Failed: Causes and Fixes
- SSL_ERROR_RX_RECORD_TOO_LONG: How to Fix It