{"id":11899,"date":"2021-04-22T07:05:18","date_gmt":"2021-04-22T13:05:18","guid":{"rendered":"https:\/\/sanuja.com\/blog\/?p=11899"},"modified":"2021-05-04T10:05:04","modified_gmt":"2021-05-04T16:05:04","slug":"common-tcp-udp-port-numbers","status":"publish","type":"post","link":"https:\/\/sanuja.com\/blog\/common-tcp-udp-port-numbers","title":{"rendered":"Common TCP\/UDP Port Numbers"},"content":{"rendered":"

There are hundreds of hundreds of ports associated with specific protocols. You only need to know most common handful of ports for your professional certification exams and job interview.<\/p>\n


\n<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Protocol<\/th>\nGeneral Port<\/th>\nSecure Port<\/th>\nTCP\/UDP<\/th>\n<\/tr>\n
FTP<\/td>\n21<\/td>\n989\/990<\/td>\nTCP<\/td>\n<\/tr>\n
SSH\/SEP<\/td>\n22<\/td>\n22<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
Telnet<\/td>\n23<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
SMTP<\/td>\n25<\/td>\n587 or 465<\/td>\nTCP<\/td>\n<\/tr>\n
DNS<\/td>\n53<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
DHCP<\/td>\nserver 87
clinet 68<\/td>\n		NA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
HTTP<\/td>\n80<\/td>\n443<\/td>\nTCP<\/td>\n<\/tr>\n
POP3<\/td>\n110<\/td>\n995<\/td>\nTCP<\/td>\n<\/tr>\n
NetBIOS<\/td>\n143<\/td>\n993<\/td>\nTCP<\/td>\n<\/tr>\n
SNMP<\/td>\n161<\/td>\nNA<\/td>\nUDP<\/td>\n<\/tr>\n
SNMPTRAP<\/td>\n162<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
SLP<\/td>\n427<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
AFP<\/td>\n548<\/td>\nNA<\/td>\nTCP<\/td>\n<\/tr>\n
RDP<\/td>\n3389<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/p>\n

Other common ports you should know<\/h3>\n

<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Protocol<\/th>\nGeneral Port<\/th>\nSecure Port<\/th>\nTCP\/UDP<\/th>\n<\/tr>\n
Echo<\/td>\n7<\/td>\nNA<\/td>\nUDP<\/td>\n<\/tr>\n
Chargen<\/td>\n19<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
WINS Replication<\/td>\n42<\/td>\nNA<\/td>\n–<\/td>\n<\/tr>\n
WHOIS<\/td>\n43<\/td>\nNA<\/td>\nTCP<\/td>\n<\/tr>\n
TACACS<\/td>\n49<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
TFTP<\/td>\n69<\/td>\nNA<\/td>\nUDP<\/td>\n<\/tr>\n
Gopher<\/td>\n70<\/td>\nNA<\/td>\nTCP<\/td>\n<\/tr>\n
Finger<\/td>\n79<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
Kerberos<\/td>\n88<\/td>\nNA<\/td>\nUDP\/TCP<\/td>\n<\/tr>\n
MS Exchange<\/td>\n103<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
Ident<\/td>\n113<\/td>\nNA<\/td>\nUDP<\/td>\n<\/tr>\n
NTP<\/td>\n123<\/td>\nNA<\/td>\nUDP<\/td>\n<\/tr>\n
IMAP4<\/td>\n143<\/td>\nNA<\/td>\nTCP<\/td>\n<\/tr>\n
BGP<\/td>\n179<\/td>\nNA<\/td>\nTCP<\/td>\n<\/tr>\n
DHCPv6<\/td>\n546 or 547<\/td>\nNA<\/td>\nUDP<\/td>\n<\/tr>\n
RADIUS<\/td>\n1812 or 1813<\/td>\nNA<\/td>\nTCP\/UDP<\/td>\n<\/tr>\n
MySQL<\/td>\n3306<\/td>\nNA<\/td>\nTCP<\/td>\n<\/tr>\n
Microsoft SQL<\/td>\n1433 or 1434<\/td>\nNA<\/td>\nTCP<\/td>\n<\/tr>\n
PostgreSQL<\/td>\n5432<\/td>\nNA<\/td>\nTCP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

There are hundreds of hundreds of ports associated with specific protocols. You only need to know most common handful of ports for your professional certification exams and job interview.<\/p>\n","protected":false},"author":2,"featured_media":11734,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[51],"tags":[18],"class_list":["post-11899","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ns","tag-computing"],"jetpack_featured_media_url":"https:\/\/sanuja.com\/blog\/wp-content\/uploads\/2020\/12\/pfSense_install_07.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/posts\/11899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/comments?post=11899"}],"version-history":[{"count":9,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/posts\/11899\/revisions"}],"predecessor-version":[{"id":11910,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/posts\/11899\/revisions\/11910"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/media\/11734"}],"wp:attachment":[{"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/media?parent=11899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/categories?post=11899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/tags?post=11899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}