Day: December 15, 2019

Find public IPv4 address via ICMP

It’s pretty easy to find your public IPv4 and/or IPv6 address via TCP and even UDP:

dig -t txt o-o.myaddr.l.google.com +short @ns1.google.com +tcp
dig -t txt o-o.myaddr.l.google.com +short @ns1.google.com +notcp

But what …