ZyXEL Communications ZyXEL ZyWALL 50 User Manual page 22

P312 Broadband Security Gateway
Figure 13-1 Activate the Firewall................................................................................................................. 13-2
Figure 13-2 Example 1: E-Mail Screen........................................................................................................ 13-3
Figure 13-3 Example 1: Configuring a Rule ................................................................................................ 13-4
Figure 13-4 Example 1: Destination Address for Traffic Originating from the Internet .............................. 13-5
Figure 13-5 Example 1: Rule Summary Screen ........................................................................................... 13-6
Figure 13-6 Send Alerts When Attacked ...................................................................................................... 13-7
Figure 13-7 Configuring A POP Custom Port .............................................................................................. 13-8
Figure 13-8 Example 2: Local Network Rule 1 Configuration .................................................................... 13-9
Figure 13-9 Example 2: Local Network Rule Summary............................................................................ 13-10
Figure 13-10 Example: Internet to Local Network Rule Summary ............................................................13-11
Figure 13-11 Custom Port for Syslog......................................................................................................... 13-12
Figure 13-12 Syslog Rule Configuration ................................................................................................... 13-13
Figure 13-13 Example 3: Rule Summary................................................................................................... 13-14
Figure 15-1 Outgoing Packet Filtering Process ........................................................................................... 15-2
Figure 15-2 Filter Rule Process.................................................................................................................... 15-3
Figure 15-4 Menu 21 - Filter and Firewall Setup ...................................................................................... 15-4
Figure 15-5 Menu 21.1 - Filter Set Configuration..................................................................................... 15-4
Figure 15-6 NetBIOS_WAN Filter Rules Summary .................................................................................... 15-5
Figure 15-7 NetBIOS _LAN Filter Rules Summary .................................................................................... 15-5
Figure 15-8 Menu 21.1.1.1 - TCP/IP Filter Rule ....................................................................................... 15-8
Figure 15-9 Executing an IP Filter ..............................................................................................................15-11
Figure 15-10 Menu 21.4.1.1 - Generic Filter Rule .................................................................................. 15-12
Figure 15-11 Telnet Filter Example............................................................................................................ 15-14
Figure 15-12 Example Filter - Menu 21.1.3.1 ......................................................................................... 15-15
Figure 15-13 Example Filter Rules Summary - Menu 21.1.3.................................................................. 15-16
Figure 15-14 Protocol and Device Filter Sets ............................................................................................ 15-17
Figure 15-15 Filtering LAN Traffic ........................................................................................................... 15-18
List Of Figures xxii