{"id":1305,"date":"2020-11-27T11:57:00","date_gmt":"2020-11-27T11:57:00","guid":{"rendered":"http:\/\/bytereign.com\/?p=1305"},"modified":"2025-04-22T10:22:55","modified_gmt":"2025-04-22T09:22:55","slug":"ports-communication-endpoint","status":"publish","type":"post","link":"https:\/\/bytereign.com\/?p=1305","title":{"rendered":"Ports: Communication Endpoint"},"content":{"rendered":"\t\t
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Below is a list of well-known ports.<\/span><\/p>

\u00a0<\/p>

Port Number<\/strong><\/span><\/p><\/td>

TCP\/UDP<\/strong><\/span><\/p><\/td>

Protocol<\/strong><\/span><\/p><\/td><\/tr>

7<\/span><\/p><\/td>

TCP\/UDP<\/span><\/p><\/td>

ECHO<\/span><\/p><\/td><\/tr>

20<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

File Transfer Protocol (FTP) Data Transfer<\/span><\/p><\/td><\/tr>

21<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

File Transfer Protocol (FTP) Command Control<\/span><\/p><\/td><\/tr>

22<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

Secure Shell (SSH)<\/span><\/p><\/td><\/tr>

23<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

Telnet<\/span><\/p><\/td><\/tr>

25<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

Simple Mail Transfer Protocol (SMTP)<\/span><\/p><\/td><\/tr>

43<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

WHOIS<\/span><\/p><\/td><\/tr>

53<\/span><\/p><\/td>

TCP\/UDP<\/span><\/p><\/td>

Domain Name System (DNS) service<\/span><\/p><\/td><\/tr>

67\/68<\/span><\/p><\/td>

UDP<\/span><\/p><\/td>

Dynamic Host Configuration Protocol (DHCP)<\/span><\/p><\/td><\/tr>

69<\/span><\/p><\/td>

UDP<\/span><\/p><\/td>

Trivial File Transfer Protocol (TFTP)<\/span><\/p><\/td><\/tr>

80<\/span><\/p><\/td>

UDP<\/span><\/p><\/td>

Hypertext Transfer Protocol (HTTP)<\/span><\/p><\/td><\/tr>

101<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

HOSTNAME<\/span><\/p><\/td><\/tr>

110<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

Post Office Protocol (POP3)<\/span><\/p><\/td><\/tr>

118\/156<\/span><\/p><\/td>

TCP\/UDP<\/span><\/p><\/td>

SQL Services<\/span><\/p><\/td><\/tr>

123<\/span><\/p><\/td>

UDP<\/span><\/p><\/td>

Network Time Protocol<\/span><\/p><\/td><\/tr>

170<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

Print-SRV<\/span><\/p><\/td><\/tr>

161\/162<\/span><\/p><\/td>

TCP\/UDP<\/span><\/p><\/td>

Simple Network Management Protocol (SNMP)<\/span><\/p><\/td><\/tr>

190<\/span><\/p><\/td>

TCP\/UDP<\/span><\/p><\/td>

Gateway Access Control Protocol (GACP)<\/span><\/p><\/td><\/tr>

213<\/span><\/p><\/td>

TCP\/UDP<\/span><\/p><\/td>

IPX<\/span><\/p><\/td><\/tr>

389<\/span><\/p><\/td>

TCP\/UDP<\/span><\/p><\/td>

Lightweight Directory Access Protocol (LDAP)<\/span><\/p><\/td><\/tr>

443<\/span><\/p><\/td>

TCP\/UDP<\/span><\/p><\/td>

Hypertext Transfer Protocol over SSL\/TLS (HTTPS)<\/span><\/p><\/td><\/tr>

902<\/span><\/p><\/td>

–<\/span><\/p><\/td>

VMware Server<\/span><\/p><\/td><\/tr>

989\/990<\/span><\/p><\/td>

TCP<\/span><\/p><\/td>

FTP over TLS\/SSL (RFC 4217)<\/span><\/p><\/td><\/tr><\/tbody><\/table>

Note that 0 to 1023 are Well Known Ports, 1024 to 49151 are Registered Ports, and 49152 to 65535 are Public Ports.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Below is a list of well-known ports. \u00a0 Port Number TCP\/UDP Protocol 7 TCP\/UDP ECHO 20 TCP File Transfer Protocol (FTP) Data<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[1,49],"tags":[],"class_list":["post-1305","post","type-post","status-publish","format-standard","hentry","category-blog","category-network-engineering"],"_links":{"self":[{"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/posts\/1305","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bytereign.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1305"}],"version-history":[{"count":46,"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/posts\/1305\/revisions"}],"predecessor-version":[{"id":2025,"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/posts\/1305\/revisions\/2025"}],"wp:attachment":[{"href":"https:\/\/bytereign.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bytereign.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bytereign.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}