Zyxel-communications 70 Series Bedienungsanleitung PDF herunterladen (Seite 249)

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ZyWALL 5/35/70 Series User’s Guide

249 Chapter 13 Configuring IDP

Figure 114 Signature Actions

The following table describes signature actions.

13.3.4 Configuring IDP Signatures

Click IDP in the navigation panel and then click the Signatures tab to see the ZyWALL’s

“group view” signature screen where you can view signatures by attack type. To search for

signatures based on other criteria such as signature name or ID, then click the Switch to query

view link to go to the “query view” screen.

You can take actions on these signatures as described in Section 13.3.3 on page 248. To revert

to the default actions or to save sets of actions, go to the Backup & Restore screen.

Table 79 Signature Actions

ACTION DESCRIPTION

No Action The intrusion is detected but no action is taken.

Drop Packet The packet is silently discarded.

Drop Session When the firewall is enabled, subsequent TCP/IP packets belonging to the

same connection are dropped. Neither sender nor receiver are sent TCP RST

packets. If the firewall is not enabled only the packet that matched the signature

is dropped.

Reset Sender When the firewall is enabled, the TCP/IP connection is silently torn down. Just

the sender is sent TCP RST packets. If the firewall is not enabled only the

packet that matched the signature is dropped.

Reset Receiver When the firewall is enabled, the TCP/IP connection is silently torn down. Just

the receiver is sent TCP RST packets. If the firewall is not enabled only the

packet that matched the signature is dropped.

Reset Both When the firewall is enabled, the TCP/IP connection is silently torn down. Both

sender and receiver are sent TCP RST packets. If the firewall is not enabled

only the packet that matched the signature is dropped.

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