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Table of Contents
ZyWALL USG 50 User’s Guide
25
Chapter 45
System ...................................................................................................................................675
45.1 Overview .......................................................................................................................... 675
45.1.1 What You Can Do in this Chapter .......................................................................... 675
45.2 Host Name ....................................................................................................................... 676
45.3 Date and Time ................................................................................................................ 676
45.3.1 Pre-defined NTP Time Servers List ........................................................................ 679
45.3.2 Time Server Synchronization ................................................................................. 680
45.4 Console Port Speed ......................................................................................................... 681
45.5 DNS Overview ................................................................................................................. 681
45.5.1 DNS Server Address Assignment .......................................................................... 682
45.5.2 Configuring the DNS Screen .................................................................................. 682
45.5.3 Address Record .................................................................................................... 685
45.5.4 PTR Record ........................................................................................................... 685
45.5.5 Adding an Address/PTR Record ............................................................................ 685
45.5.6 Domain Zone Forwarder ....................................................................................... 686
45.5.7 Adding a Domain Zone Forwarder ......................................................................... 686
45.5.8 MX Record ............................................................................................................ 687
45.5.9 Adding a MX Record .............................................................................................. 688
45.5.10 Adding a DNS Service Control Rule .................................................................... 688
45.6 WWW Overview ..............................................................................................................689
45.6.1 Service Access Limitations .................................................................................... 689
45.6.2 System Timeout ..................................................................................................... 690
45.6.3 HTTPS ...................................................................................................................690
45.6.4 Configuring WWW Service Control ........................................................................ 691
45.6.5 Service Control Rules ............................................................................................ 695
45.6.6 Customizing the WWW Login Page ....................................................................... 695
45.6.7 HTTPS Example .................................................................................................... 699
45.7 SSH .............................................................................................................................. 706
45.7.1 How SSH Works .................................................................................................... 707
45.7.2 SSH Implementation on the ZyWALL ..................................................................... 708
45.7.3 Requirements for Using SSH ................................................................................. 708
45.7.4 Configuring SSH .................................................................................................... 708
45.7.5 Secure Telnet Using SSH Examples ...................................................................... 710
45.8 Telnet ...............................................................................................................................711
45.8.1 Configuring Telnet .................................................................................................. 712
45.9 FTP ................................................................................................................................. 713
45.9.1 Configuring FTP ..................................................................................................... 713
45.10 SNMP ........................................................................................................................... 715
45.10.1 Supported MIBs ................................................................................................... 717
45.10.2 SNMP Traps ......................................................................................................... 717
45.10.3 Configuring SNMP ............................................................................................... 717
45.11 Vantage CNM ................................................................................................................ 719