3 ms·

Wikipedia has a great map of ports to registered and common services: http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers http://en.wikipedia.org/wiki

Wikipedia has a great map of ports to registered and common services: http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_number... Nmap can scan and show the application and version based on various responses and req/response fingerprinting: http://nmap.org/book/vscan-examples.html http://nmap.org/book/vscan-examples.html

yourad_io 12y ago
also, very conveniently under /etc/services (Linux, MacOS) $ grep SSH /etc/services ssh 22/tcp # SSH Remote Login Protocol $
- teddyh 12y ago
  I’d use “getent”: $ getent services ssh ssh 22/tcp $
  - percept 12y ago
    Tried to find the Darwin equivalent, without success. (Besides looking at the file, but where's the fun in that?)