Netopia 4752 - Manual (Page 7)

Contents vii
G
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 Suppor t ............................................... 13-30
RADIUS client configuration .............................. 13-30
Warning aler ts ................................................. 13-32