ports-checker — Detect unexpected externally reachable TCP ports
PORTS-CHECKER ASDF System Details
Why Not Nmap?
Requirements
Installation
Usage
Exit Codes
Development
Initial Release Limitations
API
PORTS-CHECKER/CHECKER
Functions
PORTS-CHECKER/REMOTE
Classes
REMOTE-COMMAND-ERROR
ChangeLog
Added discovery of non-loopback TCP listeners over SSH.
TCP
SSH
Added external reachability checks for discovered ports.
Added comma-separated allowlists and meaningful process exit codes.