Link layer protocols

ARP

RARP

Ethernet I

Ethernet II

MPLS

MPLS multi

STP

LLDP

Network layer protocols

IPv4

IPv6

IPv6 encapsulated

IPX

IS-IS over IP

IS-IS over Ethernet I

IS-IS over Ethernet II

Loopback

DHCP

VRRP

Transport layer protocols

TCP

UDP

SCTP

GRE

ICMP

IGMP

PIM

PRP

QTP over UDP

Remote access and administration

RDP

SSH

Telnet

RLOGIN over TCP

RSH over TCP

VNC

AeroAdmin

AmmyyAdmin

AnyDesk

TeamViewer over TCP

TeamViewer over UDP

Remote Utilities

Srv Tcp DameWare Mini Remote Control

Radmin over TCP

Data transmission

AFP over TCP

FTP over TCP

Tftp over TCP

Tftp over UDP

SFTP over TCP

SMB over UDP

Smb2 over TCP

Smb2 over UDP

Smb3 over TCP

Smb3 over UDP

BitTorrent

NFS

Resolution of names and network services

DNS

DNS LLMNR over TCP

DNS LLMNR over UDP

mDNS over UDP

Mail protocols

IMAP

POP3

SMTP

Time synchronization

NTP

PTP

Authentication and directories

Kerberos

LDAP

LDP over UDP

RADIUS

Web protocols and security

HTTP over TCP

HTTPS

WebSocket

Secure Sockets Layer

Communication protocols

VoIP: SIP

IRC

MSNP over TCP

MSNP over UDP

Multimedia and streaming

Flash Media Server over TCP

Voice IP: SIP

MQTT

Cloud and file sharing services

DropBox sync over UDP

Napster over TCP

Service and diagnostic protocols

ICMP

Syslog

Ident over TCP

SNMP

Routing and high availability

HSRP over UDP

GLBP over UDP

RIP

EIGRP

Tunneling and VPN

L2TP

PPTP over TCP

Tor over TCP

Tor over UDP

Applications and databases

Microsoft SQL

MySQL

Oracle

DB2

Tns over TCP

Tns over UDP

Detection

SSDP over UDP

Session layer protocols

NetBIOS over TCP

NetBIOS over UDP

Auxiliary protocols

Finger over TCP

Specialized protocols

Bitcoin over TCP