Port Reference

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Look up common port numbers and their associated services and protocols.

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Showing 72 of 72 ports

Port	Protocol	Service	Description	Category
20	TCP	FTP Data	File Transfer Protocol (data transfer)	File Transfer
21	TCP	FTP Control	File Transfer Protocol (control/command)	File Transfer
22	TCP	SSH	Secure Shell - encrypted remote login	Remote Access
23	TCP	Telnet	Unencrypted remote login (deprecated)	Remote Access
25	TCP	SMTP	Simple Mail Transfer Protocol - email sending	Email
53	TCP/UDP	DNS	Domain Name System - resolves domain names	Infrastructure
67	UDP	DHCP Server	Dynamic Host Configuration Protocol (server)	Infrastructure
68	UDP	DHCP Client	Dynamic Host Configuration Protocol (client)	Infrastructure
69	UDP	TFTP	Trivial File Transfer Protocol	File Transfer
80	TCP	HTTP	Hypertext Transfer Protocol - web traffic	Web
110	TCP	POP3	Post Office Protocol v3 - email retrieval	Email
119	TCP	NNTP	Network News Transfer Protocol	Messaging
123	UDP	NTP	Network Time Protocol - time synchronization	Infrastructure
135	TCP	MS RPC	Microsoft Remote Procedure Call	Windows
137	UDP	NetBIOS Name	NetBIOS Name Service	Windows
138	UDP	NetBIOS Datagram	NetBIOS Datagram Service	Windows
139	TCP	NetBIOS Session	NetBIOS Session Service	Windows
143	TCP	IMAP	Internet Message Access Protocol - email retrieval	Email
161	UDP	SNMP	Simple Network Management Protocol	Infrastructure
162	UDP	SNMP Trap	SNMP Trap notifications	Infrastructure
179	TCP	BGP	Border Gateway Protocol - internet routing	Infrastructure
194	TCP	IRC	Internet Relay Chat	Messaging
389	TCP	LDAP	Lightweight Directory Access Protocol	Infrastructure
443	TCP	HTTPS	HTTP over TLS/SSL - secure web traffic	Web
445	TCP	SMB	Server Message Block - Windows file sharing	Windows
465	TCP	SMTPS	SMTP over SSL (deprecated, use 587)	Email
514	UDP	Syslog	System Logging Protocol	Infrastructure
515	TCP	LPD	Line Printer Daemon - printing	Printing
520	UDP	RIP	Routing Information Protocol	Infrastructure
587	TCP	SMTP Submission	Email message submission (with STARTTLS)	Email
631	TCP	IPP	Internet Printing Protocol (CUPS)	Printing
636	TCP	LDAPS	LDAP over SSL	Infrastructure
993	TCP	IMAPS	IMAP over SSL - secure email retrieval	Email
995	TCP	POP3S	POP3 over SSL - secure email retrieval	Email
1080	TCP	SOCKS	SOCKS proxy protocol	Proxy
1433	TCP	MS SQL	Microsoft SQL Server	Database
1434	UDP	MS SQL Browser	Microsoft SQL Server Browser	Database
1521	TCP	Oracle DB	Oracle Database listener	Database
1701	UDP	L2TP	Layer 2 Tunneling Protocol	VPN
1723	TCP	PPTP	Point-to-Point Tunneling Protocol	VPN
1812	UDP	RADIUS Auth	RADIUS Authentication	Security
1813	UDP	RADIUS Acct	RADIUS Accounting	Security
2049	TCP/UDP	NFS	Network File System	File Transfer
2082	TCP	cPanel	cPanel default port	Web
2083	TCP	cPanel SSL	cPanel SSL default port	Web
2222	TCP	DirectAdmin	DirectAdmin control panel	Web
3306	TCP	MySQL	MySQL Database Server	Database
3389	TCP	RDP	Remote Desktop Protocol (Windows)	Remote Access
3690	TCP	SVN	Subversion version control	Development
4443	TCP	Pharos	Pharos / Alternative HTTPS	Web
5060	TCP/UDP	SIP	Session Initiation Protocol (VoIP)	VoIP
5061	TCP	SIP TLS	SIP over TLS (VoIP)	VoIP
5432	TCP	PostgreSQL	PostgreSQL Database Server	Database
5900	TCP	VNC	Virtual Network Computing	Remote Access
5901	TCP	VNC :1	VNC Display 1	Remote Access
6379	TCP	Redis	Redis in-memory database	Database
6443	TCP	Kubernetes API	Kubernetes API Server	Container
6667	TCP	IRC	Internet Relay Chat (alternate)	Messaging
8000	TCP	HTTP Alt	Alternative HTTP port	Web
8080	TCP	HTTP Proxy	HTTP Proxy / Alternative HTTP	Web
8443	TCP	HTTPS Alt	Alternative HTTPS port	Web
8888	TCP	HTTP Alt	Alternative HTTP / Admin	Web
9000	TCP	PHP-FPM	PHP FastCGI Process Manager	Web
9090	TCP	Prometheus	Prometheus monitoring	Monitoring
9200	TCP	Elasticsearch	Elasticsearch HTTP	Database
9300	TCP	Elasticsearch	Elasticsearch Transport	Database
9418	TCP	Git	Git protocol	Development
10000	TCP	Webmin	Webmin admin panel	Web
11211	TCP/UDP	Memcached	Memcached caching system	Database
27017	TCP	MongoDB	MongoDB Database Server	Database
27018	TCP	MongoDB	MongoDB shard server	Database
50000	TCP	DB2	IBM DB2 Database	Database

Well-Known Ports

0 - 1023

Reserved for system services

Registered Ports

1024 - 49151

Assigned by IANA for applications

Dynamic Ports

49152 - 65535

Ephemeral/private ports

100% Client-Side: This is a reference tool containing a database of common port numbers and their associated services. All data is stored locally - no external lookups are performed.

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