Port Numbers In Computer Networks
Port Numbers In Computer Networks
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A port is an endpoint of communication in an operating system. While the term is also used for female connectors on hardware devices, in software it is a logical construct that identifies a specific process or a type of network service.
When referring to a network or to the Internet, a software or network port is a location where information is sent. For example, port 80 is the HTTP network port. A listing of commonly known and used ports can also be found on the below listing.
- 18 – MSP (Message Send Protocol)
- 20 - FTP (File Transfer Protocol) for data transfer
- 21 – FTP (File Transfer Protocol) for data control
- 23 – Telnet
- 22 – SSH - Remote Login Protocol
- 25 - SMTP (Simple Mail Transfer Protocol) for is used for sending mails.
- 53 – DNS (Domain Name System)
- 67 – DHCP (Dynamic Host Configuration Protocol) for sending data to the server – Bootps
- 68 – DHCP (Dynamic Host Configuration Protocol) for data to the client - Bootpc
- 80 – HTTP (Hypertext Transfer Protocol)
- 109 – POP2
- 110 - POP3 (Post Office Protocol) used for receiving mails but it uses log-in process.
- 119 – NNTP (Network News Transfer Protocol)
- 137 – NetBIOS Name Service
- 139 – NetBIOS Datagram Service
- 143 – IMAP4 (Interim Mail Access Protocol) used for receiving mails.
- 150 – NetBIOS Session Service
- 161 – SNMP
- 179 – BGP (Border Gateway Protocol)
- 389 – LDAP (Lightweight Directory Access Protocol)
- 443 – HTTPS (HTTP-secure)
- 546 – DHCP Client
- 547 – DHCP Server
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ദേശീയ മനുഷ്യാവകാശ കമ്മീഷൻ നിയമം പാസാക്കിയ വർഷം : .
1993 സെപ്തംബർ 28.
ദേശീയ മനുഷ്യാവകാശ കമ്മീഷൻ നിലവിൽ വന്നവർഷം : 1993 ഒക്ടോബർ 12.
സംസ്ഥാന മനുഷ്യവകാശ കമ്മിഷൻ നിലവിൽ വന്നത് : 1998 ഡിസംബർ 11.
യൂണിയൻ പബ്ലിക് സർവീസ് കമ്മീഷൻ രൂപീകൃതമായത് : .
1926 ഒക്ടോബർ 1.
സംസ്ഥാന പബ്ലിക് സർവ്വീസ് കമ്മീഷൻ രൂപീകൃതമായത് : .
1956 നവംബർ 1.
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