Thursday, April 22, 2010

List of important port numbers

Port Number - Specification
15 Netstat
21 FTP
23 Telnet
25 SMTP
42 WINS
53 DNS
67 Bootp
68 DHCP
80 HTTP
88 Kerberos
101 HOSTNAME
110 POP3
119 NNTP
123 NTP (Network time protocol)
139 NetBIOS
161 SNMP
180 RIS
389 LDAP (Lightweight Directory Access Protocol)
443 HTTPS (HTTP over SSL/TLS)
520 RIP
79 FINGER
37 Time
3389 Terminal services
443 SSL (https) (http protocol over TLS/SSL)
220 IMAP3
3268 AD Global Catalog
3269 AD Global Catalog over SSL
500 Internet Key Exchange, IKE (IPSec) (UDP 500)

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