Netopia 4752 manual Contents

Contents vii

About ATMP Tunnels	12-20
ATMP configuration	12-20
Allowing VPNs through a Firewall	12-23
PPTP example	12-24
ATMP example	12-27
Chapter 13 — Security	13-1
Suggested Security Measures	13-1
User Accounts	13-1
Telnet Access	13-3
About Filters and Filter Sets	13-4
What’s a filter and what’s a filter set?	13-4
How filter sets work	13-4
How individual filters work	13-6
Design guidelines	13-10
Working with IP Filters and Filter Sets	13-11
Adding a filter set	13-12
Viewing filter sets	13-15
Modifying filter sets	13-16
Deleting a filter set	13-16
A sample IP filter set	13-16
Firewall Tutorial	13-19
General firewall terms	13-19
Basic IP packet components	13-20
Basic protocol types	13-20
Firewall design rules	13-21
Filter basics	13-23
Example filters	13-24
LAN IP Filtersets	13-27
RADIUS Client Support	13-30
RADIUS client configuration	13-30
Warning alerts	13-32