Port Numbers In Computer Networks Port Numbers In Computer Networks


Port Numbers In Computer NetworksPort 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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ഉപ്പു സത്യാഗ്രഹം ബ്രിട്ടീഷ് ഇന്ത്യയിൽ ഉപ്പിന് നികുതി ചുമത്തിയതിൽ പ്രതിഷേധിച്ച് 1930 മാർച്ച് 12 ന് മഹാത്മാ ഗാന്ധിയുടെ നേതൃത്വത്തിൽ ആരംഭിച്ച അഹിംസ സത്യാഗ്രഹമാണ്‌ ഉപ്പു സത്യാഗ്രഹം എന്നറിയപ്പെടുന്നത്. ദണ്ഡിയിലേക്ക് നടത്തിയ യാത്രയോടെയാണ്‌ ഇതാരംഭിച്ചത്. ഗുജറാത്തിലെ ​നവസരി​ പട്ടണത്തിന്റെ ഭാഗമായിരുന്നു ദണ്ഡി കടപ്പുറം. ​1882​-ലെ ​Salt Act​ പ്രകാരം ബ്രിട്ടീഷ് ഇന്ത്യയിൽ ഉപ്പിന്റെ ...

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The 49th Kerala State Film Awards presented by the Kerala State Chalachitra Academy were announced by the Minister for Cultural Affairs, A. K. Balan in Thiruvananthapuram on 27 February 2019. Here is the list of the winners in Kerala State Film Awards of 2019 .




Best Film – Kanthan: The Lover of Color.
Second Best Film – Oru Njayarazhcha.
Best Actor – Jayasurya (Captain and Njan Marykutty) and Soubin Shahir (Sudani from Nigeria).
Best Actress – Nimisha Sajayan, Chola and Oru Kuprasidha Payyan.
Best Director – Shyamaprasad, Oru Njayarazhcha.
Best Character Actor – Joju George, Chola and Joseph.
Best Character Actress – Savithra Sreedharan and Sarasa Balussery, Sudani from Nigeria.
Best Child Artist – Female – Abani Adi, Panth.
Best Child Artist – Male – Master Rithun, Appuvinte Sathyanweshanam.
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Bilirubin test – Hepatiits.
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Dots test – Tuberculosis.
ELISA test – AIDS.
Histamine test – Leprosy.
Mamography test – Breast cancer.
Mantoux test – Tuberculosis.
Neva Test – AIDS.
Pap smear test – cervical cancer.
Shick test- Diphtheria.
Tine Test – Tuberculosis.
Tourniquet test – Dengue fever.
Waserman Test – Syphilis.
Western Blot – AIDS.
Widal test – Typhoid.
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