ZyXEL Communications 50 manual 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