5.2.2.1 Adding a new group .............................................................................................................................25
5.2.2.2 Editing group settings...........................................................................................................................25
5.2.2.3 Deleting a group...................................................................................................................................25
5.2.2.4 Editing group defaults..........................................................................................................................25
5.2.3 Import Users.............................................................................................................................................26
5.3 Network Services..............................................................................................................................................26
5.3.1 DNS.......................................................................................................................................................... 27
5.3.1.1 Enabling the Domain Name Server......................................................................................................27
5.3.1.2 Adding a new domain name.................................................................................................................28
5.3.1.3 Adding a new host name to a domain................................................................................................... 28
5.3.1.4 Editing a host name in a domain name list...........................................................................................30
5.3.1.5 Modifying the SOA..............................................................................................................................31
5.3.1.6 Adding a secondary service..................................................................................................................32
5.3.1.7 Editing a secondary service..................................................................................................................32
5.3.2 Email Service ...........................................................................................................................................33
5.3.2.1 Email servers setting.............................................................................................................................33
5.3.3 Mailing Lists.............................................................................................................................................34
5.3.3.1 Mailing list settings..............................................................................................................................34
5.3.4 File Services.............................................................................................................................................35
5.3.4.1 File services settings.............................................................................................................................36
5.3.5 Web Services............................................................................................................................................37
5.3.5.1 Web services settings ...........................................................................................................................37
5.3.6 DHCP (Dynamic Host Configuration Protocol).......................................................................................38
5.3.6.1 DHCP settings......................................................................................................................................38
5.3.7 Basic Firewall...........................................................................................................................................40
5.3.7.1 Enabling the firewall............................................................................................................................40
5.3.7.2 Adding rules to input/forward/output chains........................................................................................41
5.3.7.3 Modifying a rule in a input/forward/output chain ................................................................................42
5.3.7.4 Deleting a rule in a input/forward/output chain....................................................................................42
5.3.7.5 Changing a chain priority.....................................................................................................................42
5.3.7.6 Changing a default policy.....................................................................................................................42
5.3.8 Telnet........................................................................................................................................................42
5.4 System...............................................................................................................................................................43
5.4.1 Configuring TCP/IP..................................................................................................................................43
5.4.1.1 TCP/IP settings.....................................................................................................................................43
5.4.1.2 Dynamic DNS settings.........................................................................................................................44
5.4.2 Configuring Internet Settings ...................................................................................................................46
5.4.2.1 Intranet use only...................................................................................................................................46
5.4.2.2 Connection Mode.................................................................................................................................47
5.4.3 Shutting Down and Restarting the ISA-4000...........................................................................................48
5.4.4 Setting the Time .......................................................................................................................................48
5.4.5 Checking the System Information............................................................................................................49
5.5 Maintenance.....................................................................................................................................................49
5.5.1 Backing Up Data......................................................................................................................................50
5.5.2 Restore......................................................................................................................................................51
5.6 Usage Information............................................................................................................................................53
5.6.1 Web Usage ...............................................................................................................................................54
5.6.2 Disk Usage ...............................................................................................................................................56
5.6.3 Network Usage.........................................................................................................................................58
5.7 Software Update...............................................................................................................................................58
5.7.1.1 Software update....................................................................................................................................59
5.7.1.2 Uninstall software.................................................................................................................................59
5.8 Personal Profile ...............................................................................................................................................60
5.8.1 Account ....................................................................................................................................................60
5.8.2 Email ........................................................................................................................................................61
5.8.3 Personal Info.............................................................................................................................................62
5.8.4 Disk Usage ...............................................................................................................................................62
Chapter 6: User's Guide............................................................................................................................................64
6.1 Logging in as an User......................................................................................................................................64
6.1.1 Account ....................................................................................................................................................65
6.1.2 Email ........................................................................................................................................................65