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̈ Contents LANCOM Reference Manual LCOS 3.50
5
Contents
7.4 N:N mapping 80
7.4.1 Application examples 81
7.4.2 Configuration 85
7.5 Configuration of remote stations 89
7.5.1 Name list 89
7.5.2 Layer list 90
7.6 Establishing connection with PPP 91
7.6.1 The protocol 92
7.6.2 Everything o.k.? Checking the line with LCP 94
7.6.3 Assignment of IP addresses via PPP 94
7.6.4 Settings in the PPP list 96
7.7 Extended connection for flat rates—Keep-alive 97
7.8 Callback functions 98
7.8.1 Callback for Microsoft CBCP 98
7.8.2 Fast callback using the LANCOM process 99
7.8.3 Callback with RFC 1570 (PPP LCP extensions) 100
7.8.4 Overview of configuration of callback function 100
7.9 Channel bundling with MLPPP 101
8 Firewall 104
8.1 Threat analysis 104
8.1.1 The dangers 104
8.1.2 The ways of the perpetrators 105
8.1.3 The methods 105
8.1.4 The victims 106
8.2 What is a Firewall? 107
8.2.1 Tasks of a Firewall 107
8.2.2 Different types of Firewalls 108
8.3 The LANCOM Firewall 114
8.3.1 How the LANCOM Firewall inspects data packets 115
8.3.2 Special protocols 119
8.3.3 General settings of the Firewall 121
8.3.4 Parameters of Firewall rules 125
8.3.5 Alerting functions of the Firewall 131
8.3.6 Strategies for Firewall settings 134
8.3.7 Hints for setting the Firewall 137
8.3.8 Configuration of Firewall rules 141
8.3.9 Firewall diagnosis 151