| Source | Target | | Address Resolution Protocol | Address Resolution Protocol |
| Advanced Program-to-Program Communication File Transfer Protocol | Advanced Program-to-Program Communication File Transfer Protocol |
| Authenticated Internet Protocol | Authenticated Internet Protocol |
| bandwidth allocation protocol | protocollo di allocazione della larghezza di banda, Bandwidth Allocation Protocol |
| Callback Control Protocol | Callback Control Protocol |
| Centralized Conference Control Protocol | Centralized Conference Control Protocol, protocollo CCCP |
| Challenge Handshake Authentication Protocol | Challenge Handshake Authentication Protocol |
| communications protocol | protocollo di comunicazione |
| Data Center Transmission Control Protocol | Data Center Transmission Control Protocol |
| delivery protocol | protocollo di recapito |
| Discard Protocol | protocollo Discard |
| distance vector multicast routing protocol | Distance Vector Multicast Routing Protocol |
| DRT protocol | protocollo DRT |
| Dynamic Host Configuration Protocol | Dynamic Host Configuration Protocol |
| encoding protocol | protocollo di codifica |
| Encryption Control Protocol | Encryption Control Protocol |
| Extensible Authentication Protocol method | metodo Extensible Authentication Protocol |
| File Transfer Protocol | File Transfer Protocol |
| Health Certificate Enrollment Protocol | Health Certificate Enrollment Protocol |
| Host Credentials Authorization Protocol | Host Credentials Authorization Protocol |
| Hypertext Transfer Protocol | Hypertext Transfer Protocol |
| Hypertext Transfer Protocol over Secure Sockets Layer | Hypertext Transfer Protocol over Secure Sockets Layer |
| Hypertext Transfer Protocol Secure | Hypertext Transfer Protocol Secure |
| IEEE Standard Protocol for Authentication in Host Attachments of Transient Storage Devices | IEEE Standard Protocol for Authentication in Host Attachments of Transient Storage |
| Internet Control Message Protocol | Internet Control Message Protocol |
| Internet Group Management Protocol | Internet Group Management Protocol |
| Internet Key Exchange | protocollo IKE, Internet Key Exchange |
| Internet Message Access Protocol | protocollo IMAP |
| Internet Message Access Protocol 4 | Internet Message Access Protocol 4 |
| Internet Protocol | protocollo IP |
| Internet Protocol multicasting | multicasting IP |
| Internet Protocol security | Internet Protocol Security |
| Internet Protocol version 4 | protocollo IP versione 4 |
| Kerberos V5 authentication protocol | protocollo di autenticazione Kerberos V5 |
| Layer Two Tunneling Protocol | Layer Two Tunneling Protocol |
| Lightweight Directory Access Protocol | Lightweight Directory Access Protocol |
| Link Aggregation Control Protocol | Link Aggregation Control Protocol |
| Link Control Protocol | Link Control Protocol |
| logical link control and adaptation protocol | protocollo L2CAP |
| Network News Transfer Protocol | Network News Transfer Protocol |
| network protocol | protocollo di rete |
| NWLink IPX/SPX/NetBIOS Compatible Transport Protocol | NWLink IPX/SPX/NetBIOS Compatible Transport Protocol |
| Online Certificate Status Protocol | Protocollo di stato del certificato online (OCSP) |
| Online Certificate Status Protocol responder | risponditore Protocollo di stato del certificato online (OCSP) |
| Password Authentication Protocol | Password Authentication Protocol |
| Peer Name Resolution Protocol | Peer Name Resolution Protocol |
| Point-to-Point Protocol | Point-to-Point Protocol |
| Point-to-Point Protocol over Ethernet | Point-to-Point Protocol over Ethernet |
| Point-to-Point Tunneling Protocol | Point-to-Point Tunneling Protocol |
| Post Office Protocol version 3 | protocollo POP3 |
| Private Communication Technology | protocollo PCT |
| protocol | protocollo |
| protocol handler | gestore di protocollo |
| protocol rollover | sostituzione del protocollo |
| protocol setting | impostazione del protocollo |
| protocol stack | stack di protocolli |
| PXE protocol | protocollo PXE |
| Real-Time Control Protocol | Real-Time Control Protocol |
| Real-Time Streaming Protocol | Real-Time Streaming Protocol |
| Real-Time Transport Protocol | Real-Time Transport Protocol |
