{ "id": "4e4b52c8-dd0f-451d-9ac2-921e20d82618", "created_at": "2026-04-06T00:17:32.59014Z", "updated_at": "2026-04-10T03:20:33.645326Z", "deleted_at": null, "sha1_hash": "efa749bbaad0deb18f4804257342484cc5dea87f", "title": "List of network protocols (OSI model)", "llm_title": "", "authors": "", "file_creation_date": "0001-01-01T00:00:00Z", "file_modification_date": "0001-01-01T00:00:00Z", "file_size": 141163, "plain_text": "List of network protocols (OSI model)\r\nBy Contributors to Wikimedia projects\r\nPublished: 2004-12-14 · Archived: 2026-04-05 13:13:44 UTC\r\nFrom Wikipedia, the free encyclopedia\r\nThis article lists protocols, categorized by the nearest layer in the Open Systems Interconnection model. This list\r\nis not exclusive to only the OSI protocol family. Many of these protocols are originally based on the Internet\r\nProtocol Suite (TCP/IP) and other models and they often do not fit neatly into OSI layers.\r\nTelephone network modems\r\nIrDA physical layer\r\nUSB physical layer\r\nEIA RS-232, EIA-422, EIA-423, RS-449, RS-485\r\nEthernet physical layer 10BASE-T, 10BASE2, 10BASE5, 100BASE-TX, 100BASE-FX, 1000BASE-T,\r\n1000BASE-SX and other varieties\r\nVarieties of 802.11 Wi-Fi physical layers\r\nDSL\r\nISDN\r\nT1 and other T-carrier links, and E1 and other E-carrier links\r\nITU Recommendations: see ITU-T\r\nIEEE 1394 interfaces\r\nTransferJet\r\nEtherloop\r\nARINC 818 Avionics Digital Video Bus\r\nG.hn/G.9960 physical layer\r\nCAN bus (controller area network) physical layer\r\nMobile Industry Processor Interface physical layer\r\nFrame Relay\r\nFO Fiber optics\r\nX.25\r\nARCnet Attached Resource Computer NETwork\r\nARP Address Resolution Protocol\r\nATM Asynchronous Transfer Mode\r\nCHAP Challenge Handshake Authentication Protocol\r\nCDP Cisco Discovery Protocol\r\nDCAP Data Link Switching Client Access Protocol\r\nDistributed Multi-Link Trunking\r\nDistributed Split Multi-Link Trunking\r\nhttp://en.wikipedia.org/wiki/List_of_network_protocols_%28OSI_model%29\r\nPage 1 of 6\n\nDTP Dynamic Trunking Protocol\r\nEconet\r\nEthernet\r\nFDDI Fiber Distributed Data Interface\r\nFrame Relay\r\nITU-T G.hn\r\nHDLC High-Level Data Link Control\r\nIEEE 802.11 WiFi\r\nIEEE 802.15.4 Low-rate wireless personal area network\r\nIEEE 802.16 WiMAX\r\nLACP Link Aggregation Control Protocol\r\nLattisNet\r\nLocalTalk\r\nL2F Layer 2 Forwarding Protocol\r\nL2TP Layer 2 Tunneling Protocol\r\nLLDP Link Layer Discovery Protocol\r\nLLDP-MED Link Layer Discovery Protocol - Media Endpoint Discovery\r\nMAC Media Access Control\r\nQ.710 Simplified Message Transfer Part\r\nMulti-link trunking Protocol\r\nNDP Neighbor Discovery Protocol\r\nPAgP - Cisco Systems proprietary link aggregation protocol\r\nPPP Point-to-Point Protocol\r\nPPTP Point-to-Point Tunneling Protocol\r\nPAP Password Authentication Protocol\r\nRPR IEEE 802.17 Resilient Packet Ring\r\nSLIP Serial Line Internet Protocol (obsolete)\r\nStarLAN\r\nSpace Data Link Protocol, one of the norms for Space Data Link from the Consultative Committee for\r\nSpace Data Systems\r\nSTP Spanning Tree Protocol\r\nSplit multi-link trunking Protocol\r\nToken Ring a protocol developed by IBM; the name can also be used to describe the token passing ring\r\nlogical topology that it popularized.\r\nVirtual Extended Network (VEN) a protocol developed by iQuila.\r\nVTP VLAN Trunking Protocol\r\nVLAN Virtual Local Area Network\r\nAsynchronous Transfer Mode (ATM)\r\nIS-IS, Intermediate System - Intermediate System (OSI)\r\nSPB Shortest Path Bridging\r\nMTP Message Transfer Part\r\nNSP Network Service Part\r\nhttp://en.wikipedia.org/wiki/List_of_network_protocols_%28OSI_model%29\r\nPage 2 of 6\n\nTRILL (TRansparent Interconnection of Lots of Links)\r\nARP Address Resolution Protocol\r\nMPLS Multiprotocol Label Switching\r\nPPPoE Point-to-Point Protocol over Ethernet\r\nTIPC Transparent Inter-process Communication\r\nCLNP Connectionless Networking Protocol\r\nIPX Internetwork Packet Exchange\r\nNAT Network Address Translation\r\nRouted-SMLT\r\nSCCP Signalling Connection Control Part\r\nAppleTalk DDP\r\nGLBP Gateway Load Balancing Protocol (a Cisco proprietary protocol)\r\nHSRP Hot Standby Router protocol\r\nVRRP Virtual Router Redundancy Protocol\r\nIP Internet Protocol\r\nICMP Internet Control Message Protocol\r\nARP Address Resolution Protocol\r\nRIP Routing Information Protocol (v1 and v2)\r\nOSPF Open Shortest Path First (v1 and v2)\r\nIPSEC IPsec\r\nWireGuard WireGuard\r\nLayer 3+4 (Protocol Suites)\r\n[edit]\r\nAppleTalk\r\nDECnet\r\nIPX/SPX\r\nInternet Protocol Suite\r\nOSI protocols\r\nXerox Network Systems\r\nAEP AppleTalk Echo Protocol\r\nAH Authentication Header over IP or IPSec\r\nDCCP Datagram Congestion Control Protocol\r\nESP Encapsulating Security Payload over IP or IPSec\r\nFCP Fibre Channel Protocol\r\nIL Originally developed as transport layer for 9P\r\niSCSI Internet Small Computer System Interface\r\nNetBIOS NetBIOS, File Sharing and Name Resolution\r\nNBF NetBIOS Frames protocol\r\nhttp://en.wikipedia.org/wiki/List_of_network_protocols_%28OSI_model%29\r\nPage 3 of 6\n\nNBP Name Binding Protocol {for AppleTalk}\r\nQUIC\r\nSCTP Stream Control Transmission Protocol\r\nSinec H1 for telecontrol\r\nTUP, Telephone User Part\r\nSPX Sequenced Packet Exchange\r\nTCP Transmission Control Protocol\r\nUDP User Datagram Protocol\r\nVXLAN Virtual eXtensible LAN\r\nRDP Reliable Data Protocol {A protocol stack covers Layer 4 - Layer 7}[2]\r\nThis layer, presentation Layer and application layer are combined in TCP/IP model.\r\n9P Distributed file system protocol developed originally as part of Plan 9\r\nADSP AppleTalk Data Stream Protocol\r\nASP AppleTalk Session Protocol\r\nH.245 Call Control Protocol for Multimedia Communications\r\niSNS — Internet Storage Name Service\r\nNetBIOS, File Sharing and Name Resolution protocol - the basis of file sharing with Windows.\r\nNetBEUI, NetBIOS Enhanced User Interface\r\nNCP NetWare Core Protocol\r\nPAP Printer Access Protocol\r\nRPC Remote Procedure Call\r\nRTCP RTP Control Protocol\r\nSDP Session Direct Protocol\r\nSMB Server Message Block\r\nSMPP Short Message Peer-to-Peer\r\nSOCKS \"SOCKetS\"\r\nZIP Zone Information Protocol {For AppleTalk}\r\nThis layer provides session management capabilities between hosts. For example, if some host needs a\r\npassword verification for access and if credentials are provided then for that session password verification\r\ndoes not happen again. This layer can assist in synchronization, dialog control and critical operation\r\nmanagement (e.g., an online bank transaction).\r\nTLS Transport Layer Security[citation needed]\r\nSSL Secure Socket Tunneling[citation needed]\r\nAFP Apple Filing Protocol[citation needed]\r\nIndependent Computing Architecture (ICA), the Citrix system core protocol\r\nLightweight Presentation Protocol (LPP)[citation needed]\r\nNetWare Core Protocol (NCP)\r\nNetwork Data Representation (NDR)[citation needed]\r\nTox, The Tox protocol is sometimes regarded as part of both the presentation and application layer\r\neXternal Data Representation (XDR)[citation needed]\r\nhttp://en.wikipedia.org/wiki/List_of_network_protocols_%28OSI_model%29\r\nPage 4 of 6\n\nX.25 Packet Assembler/Disassembler Protocol (PAD)\r\nSOAP, Simple Object Access Protocol\r\nSimple Service Discovery Protocol, A discovery protocol employed by UPnP\r\nTCAP, Transaction Capabilities Application Part\r\nUniversal Plug and Play\r\nDHCP Dynamic Host Configuration Protocol\r\nDNS Domain Name System\r\nBOOTP Bootstrap Protocol\r\nHTTP Hyper Text Transfer Protocol\r\nHTTPS\r\nWebSocket\r\nNFS\r\nPOP3 Post Office Protocol\r\nRTSP Real Time Streaming Protocol\r\nSMTP\r\nSNMP\r\nFTP\r\nNTP\r\nIRC\r\nTelnet Tele Communication Protocol\r\nSSH\r\nIMAP\r\nGemini\r\nController Area Network\r\nProtocol description languages\r\n[edit]\r\nAbstract Syntax Notation One (ASN.1)\r\nList of automation protocols\r\nSystems Network Architecture (SNA) developed by IBM\r\nDistributed System Security Architecture (DSSA)\r\nOSI model\r\n1. ^ \"X.225 : Information technology – Open Systems Interconnection – Connection-oriented Session\r\nprotocol: Protocol specification\". Archived from the original on 1 February 2021. Retrieved 10 March\r\n2023.\r\n2. ^ Reliable Data Protocol - https://www.rfc-editor.org/rfc/rfc908.html\r\nNetwork Protocols Handbook. Javvin Technologies. 2005. ISBN 978-0-9740945-2-6.\r\nhttp://en.wikipedia.org/wiki/List_of_network_protocols_%28OSI_model%29\r\nPage 5 of 6\n\nProtocol Encapsulation Chart - A PDF file illustrating the relationship between common protocols and the\r\nOSI Reference Model.\r\nNetwork Protocols Acronyms and Abbreviations - list of network protocols with abbreviations order by\r\nindex.\r\nSource: http://en.wikipedia.org/wiki/List_of_network_protocols_%28OSI_model%29\r\nhttp://en.wikipedia.org/wiki/List_of_network_protocols_%28OSI_model%29\r\nPage 6 of 6", "extraction_quality": 1, "language": "EN", "sources": [ "MITRE" ], "references": [ "http://en.wikipedia.org/wiki/List_of_network_protocols_%28OSI_model%29" ], "report_names": [ "List_of_network_protocols_%28OSI_model%29" ], "threat_actors": [], "ts_created_at": 1775434652, "ts_updated_at": 1775791233, "ts_creation_date": 0, "ts_modification_date": 0, "files": { "pdf": "https://archive.orkl.eu/efa749bbaad0deb18f4804257342484cc5dea87f.pdf", "text": "https://archive.orkl.eu/efa749bbaad0deb18f4804257342484cc5dea87f.txt", "img": "https://archive.orkl.eu/efa749bbaad0deb18f4804257342484cc5dea87f.jpg" } }