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3.6.4 Neustart......................................................................................................................................58
3.7 Diagnose-Tools.....................................................................................................................59
3.7.1 DHCP-Tabelle.............................................................................................................................59
3.7.2 Ping.............................................................................................................................................60
3.7.3 Trace Route................................................................................................................................61
Administratormodus.........................................................................................................62
4.1 Einwahl ins Internet..............................................................................................................62
4.1.1 Grundlagen des Internet Protocol (IP) Netzwerks.......................................................................62
4.1.2 PPPoE/PPPoA............................................................................................................................63
4.1.3 Multi-PVCs..................................................................................................................................69
4.2 LAN......................................................................................................................................73
4.2.1 LAN-Grundlagen.........................................................................................................................73
4.2.2 Basiskonfiguration.......................................................................................................................75
4.2.3 Feste Adressumleitung...............................................................................................................78
4.2.4 VLAN...........................................................................................................................................82
4.2.5 IP an MAC binden.......................................................................................................................83
4.3 NAT.......................................................................................................................................85
4.3.1 Portumleitung..............................................................................................................................85
4.3.2 DMZ-Host....................................................................................................................................88
4.3.3 Offene Ports................................................................................................................................90
4.4 Firewall.................................................................................................................................92
4.4.1 Firewall-Grundlagen....................................................................................................................92
4.4.2 Basiskonfiguration.......................................................................................................................94
4.4.3 Filtereinstellung...........................................................................................................................96
4.4.4 DoS-Abwehr..............................................................................................................................101
4.5 Objekte...............................................................................................................................104
4.5.1 IP-Objekt...................................................................................................................................104
4.5.2 IP-Gruppe..................................................................................................................................106
4.5.3 Servicetyp-Objekt......................................................................................................................107
4.5.4 Servicetyp-Gruppe....................................................................................................................109
4.5.5 Stichwort-Objekt........................................................................................................................110
4.5.6 Stichwort-Gruppe......................................................................................................................111
4.5.7 Dateiformat-Objekt....................................................................................................................112
..........................................................................................................................................................113
4.5.8 IM-Objekt...................................................................................................................................114
4.5.9 P2P-Objekt...............................................................................................................................115
4.5.10 Diverses.................................................................................................................................116
4.6 CSM-Profil..........................................................................................................................117
4.6.1 IM-/P2P-Filter............................................................................................................................118
4.6.2 Inhaltsbezogener URL-Filter.....................................................................................................119
4.6.3 Inhaltsbezogener Web-Filter.....................................................................................................123
4.7 Bandbreitenmanagement...................................................................................................125
4.7.1 Sitzungen begrenzen................................................................................................................125
4.7.2 Bandbreitenbegrenzung............................................................................................................127
4.7.3 QoS...........................................................................................................................................128
4.8 Anwendungen.....................................................................................................................135
4.8.1 Dynamisches DNS....................................................................................................................135
4.8.2 Verbindungstimer......................................................................................................................137
4.8.3 RADIUS....................................................................................................................................140
4.8.4 UPnP.........................................................................................................................................141
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