# Other Defense Policy

The defense policies cover block, traffic limiting, and defense for services except the TCP, UDP, ICMP, DNS, SIP, HTTP, and HTTPS services.

- Block

  Discards all packets of services except the TCP, UDP, ICMP, DNS, SIP, HTTP, and HTTPS services.

- Traffic Limiting

  - Limits the outbound traffic of the services except the TCP, UDP, ICMP, DNS, SIP, HTTP, and HTTPS services of a destination IP address below Threshold.

  - Other New Session Limiting: Limits the number of new sessions of the services except the TCP, UDP, ICMP, DNS, SIP, HTTP, and HTTPS services to the destination IP address per second below the specified Threshold.

  The Threshold is specified based on actual network bandwidths.

- Defense

  After fingerprint learning is enabled, the packets that match the learned fingerprint, except those of TCP, UDP, ICMP, DNS, SIP, HTTP, and HTTPS, are discarded.

Parent topic: Configuring the Zone-based Defense Policy (AntiDDoS)

Copyright © Huawei Technologies Co., Ltd.