TIME, Time Server Protocol 标准时间服务器协议
TFTP, Trivial File Transfer Protocol 测试用的文件传输协议
TP-TCP, ISO Transport Service on top of the TCP 基于TCP的ISO传输层服务
ETHER-MIB, Ether-MIB 以太网管理信息库
PPP, Point-to-Point Protocol 点对点协议
PPP-HDLC, PPP in HDLC Framing HDLC分组的PPP协议
IP-SMDS, IP Datagram over the SMDS Service 基于SMDS服务的IP数据报
RIP, Routing Information Protocol 路由信息协议
ARP, Address Resolution Protocol, (RFC-826) 地址解析协议
RARP, A Reverse Address Resolution Protocol, (RFC-903) 逆向地址解析协议
POP3, Post Office Protocol, Version 3, (RFC-1725) 电子邮局协议,版本3
HTTP, Hyper Text Transfer Protocol 超文本传输协议
RPC, Remote Procedure Call Protocol, (RFC-1831) 远过程调用协议
NICNAME, WhoIs Protocol, (RFC-954) WhoIs协议
DHCP, Dynamic Host Configuration Protocol, (RFC-1541) 主机动态配置协议
NNTP, Network News Transfer Protocol, (RFC-977) 网络新闻传输协议
IARP, Inverse Address Resolution Protocol, (RFC-1293) 反向地址解析协议
RAP, Internet Route Access Protocol, (RFC-1476) 网际路由存取协议
IRCP, Internet Relay Chat Protocol, (RFC-1459) 网际转发的闲聊协议
RMCP, Remote Mail Checking Protocol, (RFC-1339) 远程邮件检查协议
MTP, Multicast Transport Protocol, (RFC-1301) 多路广播传输协议
GOPHER, The Internet Gopher Protocol, (RFC-1436) 网际Gopher协议
LISTSERV, Listserv Distribute Protocol, (RFC-1429) Listserv分布协议