Netopia 4541 User Manual
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User’s Reference Guide
About ATMP Tunnels................................................... 10-12
ATMP configuration ........................................... 10-12
Encr yption Suppor t .................................................... 10-15
MS-CHAP V2 and 128-bit strong encr yption ........ 10-15
ATMP/PPTP Default Profile.......................................... 10-16
VPN QuickView .......................................................... 10-17
Dial-Up Networking for VPN ......................................... 10-18
Installing Dial-Up Networking ............................. 10-18
Creating a new Dial-Up Networking profile .......... 10-19
Configuring a Dial-Up Networking profile ............. 10-20
Installing the VPN Client ............................................. 10-21
Windows 95 VPN installation............................. 10-21
Windows 98 VPN installation............................. 10-22
Connecting using Dial-Up Networking ................. 10-23
Allowing VPNs through a Firewall ................................. 10-23
PPTP example .................................................. 10-24
ATMP example ................................................. 10-26
Chapter 11 — Security ........................................................... 11-1
Suggested security measures ....................................... 11-1
User accounts ............................................................. 11-1
Telnet access .............................................................. 11-3
About filters and filter sets ........................................... 11-4
What’s a filter and what’s a filter set?.................. 11-4
How filter sets work............................................ 11-4
How individual filters work................................... 11-6
Design guidelines............................................. 11-11
Working with IP filters and filter sets............................ 11-12
Adding a filter set ............................................. 11-12
Deleting a filter set........................................... 11-17
A sample filter set ............................................ 11-17
Firewall tutorial .......................................................... 11-20
General firewall terms ...................................... 11-20