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CLI-based Configuration Guide - Security

AR500, AR510, and AR530 V200R007

This document describes the configurations of Security, including AAA, DAA,NAC, BRAS Access, ACL, Firewall, Deep Security Defense, Local Attack Defense;Attack Defense, Traffic Suppression, ARP Security, Port Security, DHCP Snooping, IPSG, URPF, PKI, SSL, HTTPS, Keychain, separating the management plane from the service plane, security risks.
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Configuring Stateful Firewall (ASPF)

Configuring Stateful Firewall (ASPF)

ASPF can detect and filter FTP, SIP, and RTSP packets at the application layer.

Context

Application specific packet filter (ASPF) is status-based packet filtering. ASPF detects the application-layer sessions that attempt to pass the firewall, and discards undesired packets.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    firewall interzone zone-name1 zone-name2

    The interzone view is displayed.

  3. Run:

    detect aspf { ftp |  rtsp | sip }

    ASPF is configured.

    Generally, application-layer protocol packets are transmitted bidirectionally, so the direction does not need to be specified. The firewall automatically checks the packets in both directions.

    By default, ASPF is not configured in an interzone.

Checking the Configuration

  • Run the display firewall interzone [ zone-name1 zone-name2 ] command to check ASPF information in the interzone.
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Updated: 2019-05-25

Document ID: EDOC1000097287

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