50 Essential Huawei USG Firewall Commands for Fast, Error‑Free Operations

This document compiles the 50 most frequently used and easily forgotten Huawei USG firewall commands into a single quick‑reference guide, serving both as an on‑demand cheat sheet and a step‑by‑step roadmap for beginners.

By following this guide, you can complete device initialization, security policy deployment, NAT/VPN setup, and high‑availability configuration within ten minutes, eliminating the need to sift through bulky manuals.

Command categories

Basic Configuration (10 commands) – device login, interface IP, management privileges, version check, configuration save/clear/reboot, and other routine maintenance tasks.

Security Zones and Policies (12 commands) – define Trust/Untrust zones, apply the principle “allow precisely, then deny globally,” and view common policy commands.

NAT Address Translation (10 commands) – outbound source NAT (Easy‑IP), port mapping (NAT Server), enable ALG, and view/clear session and server tables.

VPN Configuration (8 commands) – manual‑mode IPSec policies, IKE peers, pre‑shared keys, and SA status checks for rapid point‑to‑point encrypted tunnels.

High Availability & Logging (6 commands) – enable HRP dual‑machine hot standby, set heartbeat interfaces, and configure real‑time log output to a log center or console.

Advanced Security Protection (4 commands) – activate defenses against LAND attacks, IP fragmentation attacks, enable blacklists, and perform session state detection.

Memorizing these 50 commands covers roughly 80 % of daily Huawei firewall operational scenarios; it is recommended to practice with the eNSP simulator and always follow the three principles of “least privilege, precise priority, and version compatibility.”