Top Ports

Port Number	Service Name
21	FTP (File Transfer Protocol)
22	SSH (Secure Shell)
23	Telnet
25	SMTP (Simple Mail Transfer Protocol)
53	DNS
80	HTTP (Standard Web traffic)
88	Kerberos
110	POP3 (Post Office Protocol)
143	IMAP (Internet Message Access Protocol)
135	RPC File Sharing
137-139	NetBIOS
1433	Microsoft SQL Server
3306	MySQL Database
389	LDAP
443	HTTPS (Secure Web traffic)
445	Microsoft-DS (Directory Services)
5037	ADB server (used by ADB daemon)
5060	SIP (Session Initiation Protocol)
5061	SIP over TLS (Encrypted SIP)
5555	ADB (Android Debug Bridge - wireless debugging)
5683	CoAP (Constrained Application Protocol)
6379	Redis
8080	HTTP alternative (often used for proxy or web servers)
8443	HTTPS alternative (often used for secured web servers)
8883	MQTT over SSL
27017	MongoDB
3268	Microsoft LDAP
3269	Global Catalog over SSL
3389	RDP (Remote Desktop Protocol)
5000	UPnP (Universal Plug and Play)
1883	MQTT (Message Queuing Telemetry Transport)
636	LDAPS (Secure LDAP)
443	HTTPS (Secure HTTP)
5900	VNC Server
2049	NFS