certmon

certmon

Utility for determining SSL certificate expiration. It works by connecting to the specified server on the given port (default 443, if unspecified).

Obtaining

go get github.com/0xmohit/certmon

Usage

Usage of ./certmon:
  -d num
        warn of certificate expiration due in num days (default 7)
  -urls file
        path to file containing the URLs

The file contains one URL on a line. Specify the port with the host name if the port that server listening on is other than 443. Lines can be commented by prefixing with #. A sample file containing URLs is:

duckduckgo.com
someservertomonitor.com:8000