| 缩略语 | 英文全称 | 解释 |
| 3DES | Triple Data Encryption Standard | 三重数据加密标准 |
| AES | Advanced Encryption Standard | 高级加密标准 |
| AH | Authentication Header | 报文认证头协议 |
| CA | Certification Authority | 证书颁发中心 |
| DES | Data Encryption Standard | 数据加密标准 |
| DH | Diffie-Hellman | 密钥交换算法 |
| DPD | Dead Peer Detection | 失效对等体检测 |
| ESP | Encapsulating Security Payload | 封装安全载荷协议 |
| GCM | Galois/Counter Mode | 伽罗瓦计数器模式 |
| GMAC | Galois Message Authentication Code | 伽罗瓦消息验证码 |
| GRE | Generic Routing Encapsulation | 通用路由封装协议 |
| IKE | Internet Key Exchange | 因特网密钥交换协议 |
| ISAKMP | Internet Security Association and Key Management Protocol | Internet安全联盟和密钥管理协议 |
| IS-IS | Intermediate System-to-Intermediate System | 中间系统到中间系统协议 |
| MD5 | Message Digest 5 | 消息摘要算法第五版 |
| NAPT | Network Address and Port Translation | 网络地址端口转换 |
| PKI | Public Key Infrastructure | 公钥基础设施 |
| PRF | Pseudorandom Function | 伪随机函数 |
| RSA | Rivest, Shamir, and Adleman | RSA加密算法 |
| SA | Security Association | 安全联盟 |
| SHA1 | Secure Hash Algorithm 1 | 安全散列算法1 |
| SHA2 | Secure Hash Algorithm 2 | 安全散列算法2 |
| SHA3 | Secure Hash Algorithm 3 | 安全散列算法3 |
| SNAT | Source Network Address Translation | 源地址转换 |
| ACL | Access Control List | 访问控制列表 |
| ICMP | Internet Control Message Protocol | 网际报文控制协议 |
| PBR | Policy-Based Routing | 策略路由 |
| TCP | Transmission Control Protocol | 传输控制协议 |
| SFTP | Secure File Transfer Protocol | 安全文件传输协议 |
| CPU | Central Processing Unit | 中央处理单元 |
| I/O | Input/Output | 输入输出 |
| NAT | Network Address Translation | 网络地址转换 |
| OSPF | Open Shortest Path First | 开放最短路径优先 |
| SSL | Secure Sockets Layer | 安全套接层 |
| VNI | VXLAN Network ldentifier | VXLAN网络标识 |
| VSYS | Virtual System | 虚拟系统 |
| VXLAN | Virtual Extensible Local Area Network | 虚拟扩展局域网 |
| DMZ | Demilitarized Zone | 半信任区 |
| DSCP | Differentiated Services Code Point | 区分服务编码点 |
| P | Internet Protocol | 互联网协议 |
| SP | Internet service provider | 网络服务供应商 |
| P2P | Peer to Peer | 点对点 |
| POS | Packet Over SDH/SONET | 基于SDH/SONET的包封装 |
| USG | Unified Security Gateway | 统一安全网关 |
| VGMP | VRRP Group Management Protocol | VRRP组管理协议 |
| VRRP | Virtual Router Redundancy Protocol | 虚拟路由冗余协议 |
| 5G | 5th Generation | 第五代 |
| AntiDDos | Anti Distributed Denial of Service | 异常流量监管系统 |
| DDoS | Distributed Denial of Service | 分布式拒绝服务 |
| ERP | Enterprise Resource Planning | 企业资源计划 |
| IDS | Intrusion Detection System | 入侵检测系统 |
| IPS | Intrusion Prevention System | 入侵防御系统 |
| ISP | Internet Service Provider | 互联网服务提供商 |
| IPSec | Internet Protocol Security | 因特网协议安全协议 |
| SSH | Secure Shell Protocol | 安全外壳协议 |
| telnet | Transmission Control Protocol | 传输控制协议 |
| TLS | Telecommunication Network Protocol | 电信网络协议 |
| VPN | Uniform Resource Locator | 统一资源定位符 |
| OPR | Open Programming Route | 开放可编程路由 |
| SIP | Session Initiation Protocol | 会话发起协议 |
| SNMP | Simple Network Management Protocol | 简单网络管理协议 |
| SYN | Synchronous | 同步序号 |
| B/S | Browser/Server | 浏览器/服务器模式 |
| C/S | Client/Server | 客户端/服务器模型 |
| CGI | Common Gateway Interface | 公共网关接口 |
| CVE | Common Vulnerabilities and Exposures | 公共漏洞和暴露 |
| OS | Operating System | 操作系统 |
| SQL | Structured Query Language | 结构化查询语言 |
| TTL | Time to Live | 生存时间 |
| DNS | Domain Name Service | 网域名称解析服务 |
| FTP | File Transfer Protocol | 文件传输协议 |
| HTTP | Hypertext Transfer Protocol | 超文本传输协议 |
| HTTPS | Hypertext Transfer Protocol Secure | 加密的超文本传输协议 |
| IM | Instant Messaging | 即时消息 |
| IMAP | Interactive Mail Access Protocol | 交互邮件访问协议 |
| NFS | Networked File System | 标准文件协议 |
| POP3 | Post Office Protocol 3 | 邮局协议第3版 |
| RBL | Real-time Blackhole List | 实时黑名单列表 |
| SMB | Server Message Block | 服务器消息块 |
| URL | Uniform Resource Locator | 统一资源定位符 |
| PAP | Password Authentication Protocol | 密码验证协议 |
| PPP | Point-to-Point Protocol | 点到点协议 |
| QoS | Quality of Service | 服务质量 |
| RADIUS | Remote Authentication Dial-In User Service | 远程身份验证拨号用户服务 |
| STA | Station | 终端 |
| UCL | User Control List | 用户控制列表 |
| UDP | User Datagram Protocol | 用户数据报协议 |
| VLAN | Virtual Local Area Network | 虚拟局域网 |
| VPDN | Virtual Private Dial-up Network | 虚拟私有拨号网络 |
| WAC | Wireless Access Controller | 无线接入控制器 |
