ZyXEL Communications ZYWALL10 - Manual (Page 21)

ZyWALL 10 Internet Security Gateway
List of Figures xxi
Figure 12-1 Telnet Configuration on a TCP/IP Network ............................................................................. 12-1
Figure 13-1 ZyWALL Firewall Application ................................................................................................ 13-3
Figure 13-2 Three-Way Handshake ............................................................................................................. 13-5
Figure 13-3 SYN Flood................................................................................................................................ 13-5
Figure 13-4 Smurf Attack ............................................................................................................................ 13-6
Figure 13-5 Stateful Inspection .................................................................................................................... 13-7
Figure 14-1 SMT Main Menu ...................................................................................................................... 14-1
Figure 14-2 Menu 21 — Filter and Firewall Setup ...................................................................................... 14-1
Figure 14-3 Menu 21.2 — Firewall Setup ................................................................................................... 14-2
Figure 14-4 View Firewall Log .................................................................................................................... 14-4
Figure 14-5 Big Picture — Filtering, Firewall and NAT.............................................................................. 14-6
Figure 15-1 Login screen as seen in Netscape ............................................................................................. 15-1
Figure 15-2 ZyWALL Web Configurator Welcome Screen ......................................................................... 15-2
Figure 15-3 Enabling the Firewall ............................................................................................................... 15-3
Figure 15-4 E-mail Screen ........................................................................................................................... 15-4
Figure 15-5 E-mail Log................................................................................................................................ 15-7
Figure 15-6 Attack Alert .............................................................................................................................. 15-9
Figure 16-1 LAN to WAN Traffic................................................................................................................ 16-3
Figure 16-2 WAN to LAN Traffic................................................................................................................ 16-4
Figure 16-3 Firewall Rules Summary — First Screen ................................................................................. 16-5
Figure 16-4 Creating/Editing A Firewall Rule........................................................................................... 16-10
Figure 16-5 Adding/Editing Source and Destination Addresses................................................................ 16-12
Figure 16-6 Timeout Screen....................................................................................................................... 16-14
Figure 17-1 Custom Ports ............................................................................................................................ 17-1
Figure 17-2 Creating/Editing A Custom Port .............................................................................................. 17-3
Figure 18-1 Log Screen................................................................................................................................ 18-1
Figure 19-1 Activate The Firewall ............................................................................................................... 19-2