Skip to content

Instantly share code, notes, and snippets.

@5bhuv4n35h
Forked from gwen001/sslsub.sh
Created May 18, 2020 21:11
Show Gist options
  • Save 5bhuv4n35h/e3e3be1411d23b03c183b8dbb3399a02 to your computer and use it in GitHub Desktop.
Save 5bhuv4n35h/e3e3be1411d23b03c183b8dbb3399a02 to your computer and use it in GitHub Desktop.
get altnames from ssl certificates
function sslsub() {
timeout 3 openssl s_client -showcerts -servername $1 -connect $1:443 <<< "Q" 2>/dev/null | openssl x509 -text -noout | grep DNS | tr ',' '\n' | cut -d ':' -f 2 | sort -fu
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment