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