sshconfig-lint

SSH config linter rules and fixes

Every SSH config diagnostic has a focused explanation, a marked example, and a practical fix.

Duplicate Host blocks

Browser MISSING_IDENTITY

Missing IdentityFile

CLI WILDCARD_ORDER

Wildcard Host ordering

Browser WEAK_ALGO

Weak or deprecated algorithm

Browser DUP_DIRECTIVE

Duplicate directive

Browser INSECURE_OPT

Insecure SSH option

Browser UNSAFE_CTRL_PATH

Unsafe ControlPath

Browser INCLUDE_CYCLE

Include cycle

CLI INCLUDE_READ

Include cannot be read

CLI INCLUDE_GLOB

Invalid Include pattern

CLI INCLUDE_NO_MATCH

Include matches no files