ZyXEL Communications USG 300 manual 27

	Table of Contents
49.3 Endpoint Security Add/Edit ..............................................................................................	803
Chapter 50
System .................................................................................................................................	809
50.1 Overview ..........................................................................................................................	809
50.1.1 What You Can Do in this Chapter ..........................................................................	809
50.2 Host Name .......................................................................................................................	810
50.3 Date and Time .................................................................................................................	811
50.3.1 Pre-defined NTP Time Servers List ........................................................................	813
50.3.2 Time Server Synchronization .................................................................................	814
50.4 Console Port Speed .........................................................................................................	815
50.5 DNS Overview .................................................................................................................	815
50.5.1 DNS Server Address Assignment ..........................................................................	816
50.5.2 Configuring the DNS Screen ..................................................................................	816
50.5.3 Address Record ....................................................................................................	819
50.5.4 PTR Record ...........................................................................................................	819
50.5.5 Adding an Address/PTR Record ............................................................................	819
50.5.6 Domain Zone Forwarder .......................................................................................	820
50.5.7 Adding a Domain Zone Forwarder .........................................................................	820
50.5.8 MX Record ............................................................................................................	821
50.5.9 Adding a MX Record ..............................................................................................	822
50.5.10 Adding a DNS Service Control Rule ....................................................................	822
50.6 WWW Overview ..............................................................................................................	823
50.6.1 Service Access Limitations ....................................................................................	824
50.6.2 System Timeout .....................................................................................................	824
50.6.3 HTTPS ...................................................................................................................	824
50.6.4 Configuring WWW Service Control ........................................................................	825
50.6.5 Service Control Rules ............................................................................................	829
50.6.6 Customizing the WWW Login Page .......................................................................	829
50.6.7 HTTPS Example ....................................................................................................	833
50.7 SSH ..............................................................................................................................	840
50.7.1 How SSH Works ....................................................................................................	841
50.7.2 SSH Implementation on the ZyWALL .....................................................................	842
50.7.3 Requirements for Using SSH .................................................................................	842
50.7.4 Configuring SSH ....................................................................................................	842
50.7.5 Secure Telnet Using SSH Examples ......................................................................	844
50.8 Telnet ..............................................................................................................................	845
50.8.1 Configuring Telnet ..................................................................................................	846
50.9 FTP .................................................................................................................................	847
50.9.1 Configuring FTP .....................................................................................................	847
50.10 SNMP ...........................................................................................................................	849
50.10.1 Supported MIBs ...................................................................................................	851
50.10.2 SNMP Traps .........................................................................................................	851
ZyWALL USG 300 User’s Guide	27