{"id":982,"date":"2023-10-13T13:35:51","date_gmt":"2023-10-13T13:35:51","guid":{"rendered":"https:\/\/supporttips.com\/a\/tech\/?p=982"},"modified":"2023-10-13T15:49:21","modified_gmt":"2023-10-13T15:49:21","slug":"system-ports","status":"publish","type":"post","link":"https:\/\/supporttips.com\/a\/tech\/system-ports\/","title":{"rendered":"Port > System Ports"},"content":{"rendered":"\n

System ports are part of the well-known port<\/a> range, specifically ports 0 to 1023. These ports are assigned by the Internet Assigned Numbers Authority (IANA) and are standardized for use with widely-recognized network services and protocols. System ports play a crucial role in network communication and are essential for enabling various network services to operate efficiently. Here are some common system ports and their associated services:<\/p>\n\n\n\n

    \n
  1. Port 0:<\/strong> Reserved and not used for any specific service. It’s sometimes called the “null” port.<\/li>\n\n\n\n
  2. Port 20\/21:<\/strong> FTP (File Transfer Protocol) – Used for transferring files between a client and a server.<\/li>\n\n\n\n
  3. Port 22:<\/strong> SSH (Secure Shell)<\/a> – Provides secure remote access and control of a computer over a network.<\/li>\n\n\n\n
  4. Port 23:<\/strong> Telnet – Used for remote command-line access to a computer.<\/li>\n\n\n\n
  5. Port 25:<\/strong> SMTP (Simple Mail Transfer Protocol)<\/a> – Handles the sending of email messages.<\/li>\n\n\n\n
  6. Port 53:<\/strong> DNS (Domain Name System) – Resolves domain names to IP addresses.<\/li>\n\n\n\n
  7. Port 67\/68:<\/strong> DHCP (Dynamic Host Configuration Protocol)<\/a> – Assigns and manages IP addresses on a network.<\/li>\n\n\n\n
  8. Port 69:<\/strong> TFTP (Trivial File Transfer Protocol) – A simplified version of FTP <\/a>for basic file transfer.<\/li>\n\n\n\n
  9. Port 80:<\/strong> HTTP (Hypertext Transfer Protocol) – Used for standard web browsing.<\/li>\n\n\n\n
  10. Port 110:<\/strong> POP3 (Post Office Protocol version 3<\/a>) – Retrieves email messages from a mail server.<\/li>\n\n\n\n
  11. Port 123:<\/strong> NTP (Network Time Protocol)<\/a> – Synchronizes the time of a computer with a time server.<\/li>\n\n\n\n
  12. Port 135:<\/strong> MS RPC (Microsoft Remote Procedure Call) – Facilitates communication between Windows systems.<\/li>\n\n\n\n
  13. Port 137-139:<\/strong> NetBIOS – Supports communication between Windows machines.<\/li>\n\n\n\n
  14. Port 143:<\/strong> IMAP (Internet Message Access Protocol) – Retrieves email messages from a mail server.<\/li>\n\n\n\n
  15. Port 161:<\/strong> SNMP (Simple Network Management Protocol)<\/a> – Used for network management and monitoring.<\/li>\n\n\n\n
  16. Port 194:<\/strong> IRC (Internet Relay Chat) – Supports real-time chat communication.<\/li>\n\n\n\n
  17. Port 443:<\/strong> HTTPS<\/a> (HTTP<\/a> over SSL\/TLS) – Provides secure web browsing.<\/li>\n\n\n\n
  18. Port 445:<\/strong> SMB (Server Message Block) – Enables file and printer sharing in Windows networks.<\/li>\n\n\n\n
  19. Port 465\/587:<\/strong> SMTP<\/a> over SSL\/TLS – Secure transmission of email.<\/li>\n\n\n\n
  20. Port 514:<\/strong> Syslog – Collects and forwards system log messages.<\/li>\n<\/ol>\n\n\n\n

    These system ports<\/a> are crucial for network communication, as they ensure that widely-recognized network services and protocols<\/a> can operate efficiently and with standardization. Network administrators and security professionals often use port information to configure firewalls and routing rules to control and monitor network traffic.<\/p>\n","protected":false},"excerpt":{"rendered":"

    System ports are part of the well-known port range, specifically ports 0 to 1023. These ports are assigned by the Internet Assigned Numbers Authority (IANA) and are standardized for use with widely-recognized network services and protocols. System ports play a crucial role in network communication and are essential for enabling various network services to operate […]\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[33],"class_list":["post-982","post","type-post","status-publish","format-standard","hentry","category-networking","tag-port-type"],"_links":{"self":[{"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/posts\/982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/comments?post=982"}],"version-history":[{"count":7,"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/posts\/982\/revisions"}],"predecessor-version":[{"id":1035,"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/posts\/982\/revisions\/1035"}],"wp:attachment":[{"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/media?parent=982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/categories?post=982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/supporttips.com\/a\/tech\/wp-json\/wp\/v2\/tags?post=982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}