dns: 53 (TCP/UDP)
www:80
https: 443
ftp-data:20
ftp-control:21

http://www.isi.edu/in-notes/iana/assignments/port-numbers

: What ports does Internet use???
: I mean not the full list of TCP/UDP ports, I just want
: to know the ports, which we use in usual internet serfing.

: p.s. sorry for English - if there are mistakes here...=)