TCP / IP Reference Page

Protocols according to layers Data Link Layer Network Layer Transport Layer Session Layer Application Layer Routing Tunneling Security

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IP Internet Protocol version 4
IPv6 Internet Protocol version 6
TCP Transmission Control Protocol
UDP User Datagram Protocol
The Defense Advance Research Projects Agency (DARPA) originally developed Transmission Control Protocol/Internet Protocol (TCP/IP) to interconnect various defense department computer networks. The Internet, an international Wide Area Network, uses TCP/IP to connect government and educational institutions across the world. TCP/IP is also in widespread use on commercial and private networks. The TCP/IP suite includes the following protocols  
Data Link Layer
ARP/RARP Address Resolution Protocol/Reverse Address
DCAP Data Link Switching Client Access Protocol
Network Layer
DHCP Dynamic Host Configuration Protocol
DVMRP Distance Vector Multicast Routing Protocol
ICMP/ICMPv6 Internet Control Message Protocol
IGMP Internet Group Management Protocol
IP Internet Protocol version 4
IPv6 Internet Protocol version 6
MARS Multicast Address Resolution Server
PIM Protocol Independent Multicast-Sparse Mode (PIM-SM)
RIP2 Routing Information Protocol
RIPng for IPv6 Routing Information Protocol for IPv6
RSVP Resource ReSerVation setup Protocol
VRRP Virtual Router Redundancy Protocol
Transport Layer
Mobile IP Mobile IP Protocol
RUDP Reliable UDP
TALI Transport Adapter Layer Interface
TCP Transmission Control Protocol
UDP User Datagram Protocol
Van Jacobson compressed TCP
XOT X.25 over TCP
Session Layer
BGMP Border Gateway Multicast Protocol
DIS Distributed Interactive Simulation
DNS Domain Name Service
ISAKMP/IKE Internet Security Association and Key Management Protocol and Internet Key Exchange Protocol
iSCSI Small Computer Systems Interface
LDAP Lightweight Directory Access Protocol
MZAP Multicast-Scope Zone Announcement Protocol
NetBIOS/IP NetBIOS/IP for TCP/IP Environment
Application Layer
COPS Common Open Policy Service
FANP Flow Attribute Notification Protocol
Finger User Information Protocol
FTP File Transfer Protocol
HTTP Hypertext Transfer Protocol
HTTP/2 Hypertext Transfer Protocol Version 2
IMAP4 Internet Message Access Protocol rev 4
IMPPpre/IMPPmes Instant Messaging and Presence Protocols
IPDC IP Device Control
IRC ·Internet Relay Chat Protocol
ISAKMP Internet Message Access Protocol version 4rev1
NTP Network Time Protocol
POP3 Post Office Protocol version 3
Radius Remote Authentication Dial In User Service
RLOGIN Remote Login
RTSP Real-time Streaming Protocol
SCTP Stream Control Transmision Protocol
S-HTTP Secure Hypertext Transfer Protocol
SLP Service Location Protocol
SMTP Simple Mail Transfer Protocol
SNMP Simple Network Management Protocol
SOCKS Socket Secure (Server)
TACACS+ Terminal Access Controller Access Control System
TELNET TCP/IP Terminal Emulation Protocol
TFTP Trivial File Transfer Protocol
WCCP Web Cache Coordination Protocol
X-Window X Window
BGP-4 Border Gateway Protocol
EGP Exterior Gateway Protocol
EIGRP Enhanced Interior Gateway Routing Protocol
HSRP Cisco Hot Standby Router Protocol
IGRP Interior Gateway Routing
NARP NBMA Address Resolution Protocol
NHRP Next Hop Resolution Protocol
OSPF Open Shortest Path First
TRIP Telephony Routing over IP
ATMP Ascend Tunnel Management Protocol
L2F The Layer 2 Forwarding Protocol
L2TP Layer 2 Tunneling Protocol
PPTP Point to Point Tunneling Protocol
AH Authentication Header
ESP Encapsulating Security Payload
TLS Transport Layer Security Protocol

The TCP/IP suite is illustrated here in relation to the OSI model: Click the protocols on the map to see more details.

1 2 3 4 5 6 7 8 9 TCP/IP Family Protocol Information AH | ATMP | ARP/RARP | BGMP | BGP-4 | COPS | DCAP | DHCP | Diameter | DIS | DNS | DVMRP | EGP | EIGRP | ESP | FANP | Finger | FTP | HSRP | HTTP | ICMP/ICMPv6 | IGMP | IGRP | IMAP4 | IMPPpre/IMPPmes | IPDC | IP | IPv6 | IRC | ISAKMP | ISAKMP/IKE | iSCSI | ISTP | ISP | LDAP | L2F | L2TP | MARS | Mobile IP | MZAP | NARP | NetBIOS/IP | NHRP | NTP | OSPF | PIM | POP3 | PPTP | Radius | RLOGIN | RIP2 | RIPng for IPv6 | RSVP | RTSP | RUDP | SCTP | S-HTTP | SLP | SMTP | SNMP | SOCKS | TACACS+ | TALI | TCP | TELNET | TFTP | TLS | TRIP | UDP | Van Jacobson | VRRP | WCCP | X-Window | XOT
Additional Information