Huawei ADSL2+Broadband Router Aolynk DR814 - Manual (Page 34)

User Manual
Aolynk DR811/DR814 ADSL2+Broadband Router
4 Web-based Management
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Figure 4-21 Firewall port
Figure 4-22 Host validator
& Definition:
A host validator can be used to restrict data streams from a WAN interface to a LAN
interface or from a LAN interface to a WAN interface.
& Note:
Security policies take effect only after the firewall starts.
4.10 Trigger
Security triggers are used to deal with application protocols that create separate
sessions. Some application protocols, such as Netmeeting, open secondary
connections during normal operations. Triggers tell the security mechanism to expect