HP VPN Firewall Appliances System Management and Maintenance Configuration Guide
iv
Displaying attack prevention logs ····················································································································· 105
Displaying blacklist logs ····································································································································· 105
Displaying interzone policy logs ······················································································································· 106
Displaying user logs (flow logging) ··················································································································· 107
Configuring NTP ····················································································································································· 110
Overview ······································································································································································· 110
NTP application ··················································································································································· 110
NTP advantages ·················································································································································· 110
How NTP works ··················································································································································· 111
NTP message format ··········································································································································· 112
NTP operation modes ········································································································································· 113
NTP for VPNs ······················································································································································· 115
Configuring NTP in the Web interface ······················································································································ 116
Configuring the network time ····························································································································· 116
Date and time configuration example ··············································································································· 117
Configuring NTP at the CLI ········································································································································· 119
NTP configuration task list ·································································································································· 119
Configuring NTP operation modes ···················································································································· 119
Configuring the local clock as a reference source ·························································································· 122
Configuring optional parameters for NTP ········································································································ 123
Configuring access-control rights ······················································································································· 124
Configuring NTP authentication ························································································································ 125
Displaying and maintaining NTP ······················································································································· 129
NTP client/server mode configuration example ······························································································ 129
NTP symmetric peers mode configuration example ························································································ 131
NTP broadcast mode configuration example ··································································································· 132
NTP multicast mode configuration example ····································································································· 134
Configuration example for NTP client/server mode with authentication ······················································ 136
Configuration example for NTP broadcast mode with authentication ·························································· 138
Configuration restrictions and guidelines ········································································································· 141
Configuring RMON ················································································································································ 142
Overview ······································································································································································· 142
Working mechanism ··········································································································································· 142
RMON groups ····················································································································································· 142
Configuring the RMON statistics function ················································································································· 144
Configuring the RMON Ethernet statistics function ·························································································· 144
Configuring the RMON history statistics function ···························································································· 144
Configuring the RMON alarm function ····················································································································· 145
Displaying and maintaining RMON ·························································································································· 146
Ethernet statistics group configuration example ······································································································· 146
History group configuration example ························································································································ 147
Alarm group configuration example ·························································································································· 149
Configuring SNMP ·················································································································································· 151
Overview ······································································································································································· 151
SNMP framework ················································································································································ 151
MIB and view-based MIB access control ·········································································································· 151
SNMP operations ················································································································································ 152
SNMP protocol versions ····································································································································· 152
SNMP configuration task list ······································································································································· 152
Configuring SNMP basic parameters ························································································································ 153
Configuring SNMPv3 basic parameters ··········································································································· 153
Configuring SNMPv1 or SNMPv2c basic parameters ···················································································· 154
Configuring SNMP logging ········································································································································ 155