ZyXEL Communications ZyWALL USG 100 Series - Page 27

Table of Contents
ZyWALL USG 100/200 Series User’s Guide
27
Chapter 50
System.................................................................................................................................815
50.1 Overview .......................................................................................................................... 815
50.1.1 What You Can Do in this Chapter .......................................................................... 815
50.2 Host Name ....................................................................................................................... 816
50.3 Date and Time ................................................................................................................ 817
50.3.1 Pre-defined NTP Time Servers List ........................................................................ 819
50.3.2 Time Server Synchronization ................................................................................. 820
50.4 Console Port Speed ......................................................................................................... 821
50.5 DNS Overview ................................................................................................................. 821
50.5.1 DNS Server Address Assignment .......................................................................... 822
50.5.2 Configuring the DNS Screen .................................................................................. 822
50.5.3 Address Record .................................................................................................... 825
50.5.4 PTR Record ........................................................................................................... 825
50.5.5 Adding an Address/PTR Record ............................................................................ 825
50.5.6 Domain Zone Forwarder ....................................................................................... 826
50.5.7 Adding a Domain Zone Forwarder ......................................................................... 826
50.5.8 MX Record ............................................................................................................ 827
50.5.9 Adding a MX Record .............................................................................................. 828
50.5.10 Adding a DNS Service Control Rule .................................................................... 828
50.6 WWW Overview ..............................................................................................................829
50.6.1 Service Access Limitations .................................................................................... 830
50.6.2 System Timeout ..................................................................................................... 830
50.6.3 HTTPS ...................................................................................................................830
50.6.4 Configuring WWW Service Control ........................................................................ 831
50.6.5 Service Control Rules ............................................................................................ 835
50.6.6 Customizing the WWW Login Page ....................................................................... 835
50.6.7 HTTPS Example .................................................................................................... 839
50.7 SSH .............................................................................................................................. 846
50.7.1 How SSH Works .................................................................................................... 847
50.7.2 SSH Implementation on the ZyWALL ..................................................................... 848
50.7.3 Requirements for Using SSH ................................................................................. 848
50.7.4 Configuring SSH .................................................................................................... 848
50.7.5 Secure Telnet Using SSH Examples ...................................................................... 850
50.8 Telnet .............................................................................................................................. 851
50.8.1 Configuring Telnet .................................................................................................. 852
50.9 FTP ................................................................................................................................. 853
50.9.1 Configuring FTP ..................................................................................................... 853
50.10 SNMP ........................................................................................................................... 855
50.10.1 Supported MIBs ................................................................................................... 857
50.10.2 SNMP Traps ......................................................................................................... 857
50.10.3 Configuring SNMP ............................................................................................... 857
50.11 Dial-in Management .......................................................................................................859