setzen ......................................................................................................................................... 63
5.1 WAN ..................................................................................................................................... 65
5.1.3 Basiskonfiguration ....................................................................................................................... 67
5.1.4 Einwahl ins Internet ..................................................................................................................... 70
5.1.5 Multi-PVCs .................................................................................................................................. 87
5.1.6 Load-Balance .............................................................................................................................. 92
5.2 LAN ...................................................................................................................................... 95
5.2.1 LAN-Grundlagen ......................................................................................................................... 95
5.2.2 Basiskonfiguration ....................................................................................................................... 97
5.2.3 Feste Adressumleitung ............................................................................................................. 101
5.2.4 VLAN ......................................................................................................................................... 103
5.2.5 IP an MAC binden ..................................................................................................................... 105
5.3 NAT ..................................................................................................................................... 106
5.3.1 Portumleitung ............................................................................................................................ 107
5.3.2 DMZ-Host .................................................................................................................................. 110
5.3.3 Offene Ports .............................................................................................................................. 112
5.4 Firewall ............................................................................................................................... 114
5.4.1 Firewall-Grundlagen .................................................................................................................. 114
5.4.2 Basiskonfiguration ..................................................................................................................... 116
5.4.3 Filtereinstellung ......................................................................................................................... 119
5.4.4 DoS-Abwehr .............................................................................................................................. 127
5.5 Objekte ............................................................................................................................... 131
5.5.1 IP-Objekt ................................................................................................................................... 131
5.5.2 IP-Gruppe .................................................................................................................................. 133
5.5.3 Servicetyp-Objekt ...................................................................................................................... 134
5.5.4 Servicetyp-Gruppe .................................................................................................................... 135
5.5.5 Stichwort-Objekt ........................................................................................................................ 136
5.5.6 Stichwort-Gruppe ...................................................................................................................... 137
5.5.7 Dateiformat-Objekt .................................................................................................................... 138
.......................................................................................................................................................... 139
5.5.8 IM-Objekt ................................................................................................................................... 140
.......................................................................................................................................................... 141
5.5.9 P2P-Objekt ................................................................................................................................ 142
5.5.10 Diverses ................................................................................................................................. 143
5.6 CSM ................................................................................................................................... 144
5.6.1 IM-/P2P-Filter ............................................................................................................................ 146
5.7 Bandbreitenmanagement ................................................................................................... 154
5.7.1 Sitzungen begrenzen ................................................................................................................ 154
5.7.2 Bandbreitenbegrenzung ............................................................................................................ 155
5.7.3 QoS ........................................................................................................................................... 157
5.8 Anwendungen ..................................................................................................................... 164
5.8.1 Dynamisches DNS .................................................................................................................... 164