===== Port Number =====
[[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]]

A **Port Number** is the logical address of each [[dido:public:ra:xapend:xapend.a_glossary:a:application|application]] or process that uses a network or the [[dido:public:ra:xapend:xapend.a_glossary:i:internet|Internet]] to communicate. A port number uniquely identifies a network-based application on a computer. Each application/program is allocated a [[dido:public:ra:xapend:xapend.a_glossary:00-9:16bit]] integer port number. This number is assigned automatically by the [[dido:public:ra:xapend:xapend.a_glossary:o:os|OS]], manually by the user or is set as a default for some popular applications. 

Source: [[https://www.techopedia.com/definition/15702/port-number | Port Number ]]