TIME, Time Server Protocol 規范時間服務器協議

TFTP, Trivial File Transfer Protocol 檢測用的文檔傳輸協議

TP-TCP, ISO Transport Service on top of the TCP 根據TCP的ISO網絡層服務項目

ETHER-MIB, Ether-MIB 以太網接口管理方法信息庫

PPP, Point-to-Point Protocol 點到點協議

PPP-HDLC, PPP in HDLC Framing HDLC排序的PPP協議

IP-SMDS, IP Datagram over the SMDS Service 根據SMDS服務項目的IP數據報

RIP, Routing Information Protocol 路由信息協議

ARP, Address Resolution Protocol, (RFC-826) 地址解析協議

RARP, A Reverse Address Resolution Protocol, (RFC-903) 反向地址解析協議

POP3, Post Office Protocol, Version 3, (RFC-1725) 電子郵局協議,版本3

HTTP, Hyper Text Transfer Protocol HTML文件傳輸協議

RPC, Remote Procedure Call Protocol, (RFC-1831) 遠全過程啟用協議

NICNAME, WhoIs Protocol, (RFC-954) WhoIs協議

DHCP, Dynamic Host Configuration Protocol, (RFC-1541) 服務器動態性配備協議

NNTP, Network News Transfer Protocol, (RFC-977) 網絡媒體傳輸協議

IARP, Inverse Address Resolution Protocol, (RFC-1293) 反方向地址解析協議

RAP, Internet Route Access Protocol, (RFC-1476) 網際路由存儲協議

IRCP, Internet Relay Chat Protocol, (RFC-1459) 網際分享的閑談協議

RMCP, Remote Mail Checking Protocol, (RFC-1339) 遠程控制電子郵件查驗協議

MTP, Multicast Transport Protocol, (RFC-1301) 多通道廣播節目傳輸協議

GOPHER, The Internet Gopher Protocol, (RFC-1436) 網際Gopher協議

LISTSERV, Listserv Distribute Protocol, (RFC-1429) Listserv遍布協議