Echo

TCP, UDP

Port 7

Echo Service

FTP

File Transfer Protocol

FTP-Data transfer: TCP 20

FTP-Control Connection: TCP, UDP 21

SSH

Secure Shell, secure loging, file transfer and port forwarding

TCP, UDP: 22

Telnet

Telnet protocol. Unencrypted remote login

TCP 23

SMTP

Simple Mail Transfer Protocol

TCP 25

DNS

Domain Name System

TCP/ UDP 53

DHCP

Dynamic Host Configuration Protocol

UDP 67 Server

UDP 68 Client

TFTP

Trivial File Transfer Protocol

UDP 69

HTTP

Hypertext Transfer Protocol

TCP 80

Kerberos

Network Authentication System

TCP, UDP 88

Iso-Tsap

Transport Service Access Point

TCP 102

POP3

Post Office Protocol Version 3

TCP 110

RPCbind

Remote Procedure Cali Bind

TCP/UDP 111

NTP

Network Time Protocol

UDP 123

Microsoft EPMAP

End Point Mapper

TCP 135

NetBIOS-NS

NetBIOS Name Service

UDP 137

NetBIOS-DGM

NetBIOS- Datagram Service

UDP 138

NetBIOS-SSN

NetBIOS-Session Service

TCP 139

IMAP

Internet Message Access Protocol

TCP 143

SNMP

Simple Network Management Protocol

UDP 161

SNMP Trap

Simple Network Management Protocol Trap

UDP 162

BGP

Border Gateway Protocol

TCP 179

LDAP

Lightwright Directory Access Protocol

TCP/UDP 389

HTTPS

Hypertext Transfer Protocol Secure

TCP 443

SMB

Server Message Block

TCP 445

SMTPS

Simple Mail Transfer Protocol Secure

TCP 465

Syslog

System Logging Protocol

UDP 514

LPD

Line Printer Daemon

TCP 515

RIP

Routing Information Protocol

UDP 520

DHCPv6 Client

Dynamic Host Configuration Protocol for IPv6

UDP 546

DHCPv6 Server

Dynamic Host Configuration Protocol for IPv6

UDP 547

SMTP Submission

Simple Mail Transfer Protocol Submission

TCP 587

IPP

Internet Printing Protocol

TCP 631

LDAPS

Lighweight Directory Access Protocol Secure

TCP 636

FTPS Data

File Transfer Protocol Secure (Data)

TCP 989

FTPS Control

File Transfer Protocol Secure (Control)

TCP 990

IMAPS

Internet Message Access Protocol Secure

TCP 993

POP3S

Post Office Protocol 3 Secure

TCP 995

MSSQL

Microsoft SQL Server

TCP 1433

MSSQL Monitor

Microsoft SQL Server Monitor

UDP 1434

L2TP

Layer 2 Tunneling Protocol

UDP 1701

RADIUS

Remote Authentication Dial-in User Service

UDP 1812

RADIUS Accounting

Remote Authentication Dial-in User Service Accounting

UDP 1813

NFS

Network File System

TCP/UDP 2049

Zookeeper

Zookeeper Service

TCP 2181

MySQL

My Structured Query Language

TCP 3306

RDP

Remote Desktop Protocol

TCP 3389

SIP

Session Initiation Protocol

UDP 5060

PostgreSQL

PostgreSQL Database

TCP 5432

VNC

Virtual Network Computing

TCP 5900

Redis

Remote Dictionary Server

TCP 6379

HTTP Alt

HTTP Alternative

TCP 8080

HTTPS Alt

HTTPS Alternative

TCP 8443

HTTP Proxy

HTTP Proxy

TCP 8888