PORT NUMBERS

List of important port numbers

15        è        Netstat

21        è        FTP

23        è        Telnet

25        è        SMTP

42        è        WINS

53        è        DNS

67        è        Bootp

68        è        DHCP

80        è        HTTP

88        è        Kerberos

101      è        HOSTNAME

110      è        POP3

119      è        NNTP

123      è        NTP     (Network time protocol)

139      è        NetBIOS

161      è        SNMP

180      è        RIS

389      è        LDAP (Lightweight Directory Access Protocol)

443      è        HTTPS (HTTP over SSL/TLS)

520      è        RIP

79        è        FINGER

37        è        Time

3389    è        Terminal services

443      è        SSL (https) (http protocol over TLS/SSL)
220      è        IMAP3
3268    è        AD Global Catalog
3269    è        AD Global Catalog over SSL           
500      è        Internet Key Exchange, IKE (IPSec) (UDP 500)