Networking Protocol Port Numbers - IANA

Networking Protocol Port Number IANA
Networking Port Numbers

A port number is a binary digits that helps to identify any specific process is used in network when data transmits through internet or network which arrives to the server. Such port numbers are given to specific protocols. Where a port is logical endpoint through which computers can send specific type of data traffic for other particular port. Theses well known Networking Protocol Ports are assigned by IANA (Internet Assigned Number Authority). These networking port numbers are mandatory to use. We generally uses them industries or at home also to block, restrict or only allow that port only. In daily action of networking Life there may be much need of these protocol or its numbers so that all important things can be done through these port numbers. Just learn them for basic needs whatever you may use in daily life in the networking. All important protocol's descriptions and there port number given below.

 Port No.   Protocol's Description
20FTP (File Transfer Protocol), Data
21 FTP, Control
22 SSH
23 Telnet
25 SMTP (Simple Mail Transfer Protocol)
53 DNS (Domain Name Service)
67 DHCP v4 Server (Dynamic Host Control Protocol Version 4)
68 DHCP v4 Client
69 TFTP (Trivial File Transfer Protocol)
70 Gopher
80 HTTP (Hyper Text Transfer Protocol)
88 Kerberos
101 HOSTNAME
110 POP3 (Post Office Protocol Version 3)
119 NNTP (Network News Transfer Protocol)
137 NETBIOS Name Service
138 NETBIOS Datagram Service
139 NETBIOS Session Service
143 IMAP (Interactive Mail Access Protocol)
161 SNMP (Simple Network Management Protocol)
162 SNMP Traps
179 BGP (Border Gateway Protocol)
213 IPX (Inter-network Packet Exchange)
220 IMAPv3 (Interactive Mail Access Protocol Version 3)
264 BGMP (Border Gateway Multicast Protocol)
389 LDAP (Lightweight Directory Access Protocol)
CLDAP (Connection-less Lightweight X.500 Directory Access Protocol)
443 HTTPS (Hyper Text Transfer Protocol Secure) over SSL
SSL (Secure Socket Layer)
TSL (Transport Layer Security)
464 Kerberos Change/Set Password
520 RIP (Routing Information Protocol) - Extended File Name Server
521 RIPng (Routing Information Protocol next generation)
546 DHCP v6 Client (Dynamic Host Control Protocol Version 6)
547 DHCP v6 Server
563 NNTP (Network News Transfer Protocol) over TLS

Such Protocol Port numbers are widely used in the networks to many reasons to do there job well in the industry. You can use all the ports numbers to block any port or assign any networking permission to selected members over in a network. Generally people who work in the field of networking at level of Network Administrator, Network Assistant, Network Engineer or Server Administrator need it to use for various purpose.

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