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Prestige 794M User’s Guide
Table of Contents 10
4.3 DNS ...................................................................................................................54
4.4 SHDSL Parameters ............................................................................................55
Chapter 5
System .................................................................................................................... 58
5.1 Overview ............................................................................................................58
5.2 Time Zone ..........................................................................................................58
5.3 Remote Access ..................................................................................................59
5.4 Firmware Upgrade ............................................................................................60
5.5 Backup/Restore ................................................................................................60
5.6 Restart Router ....................................................................................................61
5.7 User Management ..............................................................................................62
5.7.1 Create a New User Account .....................................................................62
Chapter 6
Firewall.................................................................................................................... 64
6.1 Overview ...........................................................................................................64
6.2 Types of Firewalls ..............................................................................................64
6.2.1 Packet Filtering Firewalls ..........................................................................64
6.2.2 Application-level Firewalls ........................................................................64
6.2.3 Stateful Inspection Firewalls .....................................................................65
6.3 General Settings ................................................................................................66
6.4 Packet Filter .......................................................................................................67
6.4.1 Add a New TCP/UDP Packet Filter ..........................................................69
6.4.2 Add a New Raw Packet Filter ...................................................................70
6.5 Intrusion Detection .............................................................................................71
6.6 URL Filter ...........................................................................................................73
6.6.1 Keywords Filtering ...................................................................................74
6.6.2 Domain Filtering .......................................................................................75
6.7 Firewall Log .......................................................................................................76
Chapter 7
VPN.......................................................................................................................... 78
7.1 Overview ............................................................................................................78
7.2 PPTP ..................................................................................................................78
7.2.1 PPTP Summary .......................................................................................78
7.2.2 Creating a PPTP VPN Rule ......................................................................79
7.2.2.1 Remote Access Connection ..........................................................79
7.2.2.2 LAN to LAN Connection .................................................................81
7.3 IPSec ..................................................................................................................83
7.3.1 AH (Authentication Header) .....................................................................83
7.3.2 ESP (Encapsulating Security Payload) ....................................................83
7.3.3 Perfect Forward Secrecy (PFS) ...............................................................84