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vi User’s Reference Guide
VPN QuickView ........................................................ 10-137
Dial-Up Networking for VPN ....................................... 10-138
Installing Dial-Up Networking ........................... 10-138
Creating a new Dial-Up Networking profile ........ 10-139
Configuring a Dial-Up Networking profile ........... 10-140
Installing the VPN Client ........................................... 10-141
Windows 95 VPN installation........................... 10-141
Windows 98 VPN installation........................... 10-142
Connecting using Dial-Up Networking ............... 10-143
Allowing VPNs through a Firewall............................... 10-143
PPTP example ................................................ 10-144
ATMP example ............................................... 10-146
Chapter 11 — Security .......................................................11-151
Suggested security measures ................................... 11-151
User accounts ......................................................... 11-151
Telnet access .......................................................... 11-153
About filters and filter sets ....................................... 11-154
What’s a filter and what’s a filter set?.............. 11-154
How filter sets work........................................ 11-154
How individual filters work............................... 11-156
Design guidelines........................................... 11-161
Working with IP filters and filter sets.......................... 11-162
Adding a filter set ........................................... 11-162
Deleting a filter set......................................... 11-167
A sample IP filter set ...................................... 11-167
Firewall tutorial ........................................................ 11-170
General firewall terms .................................... 11-170
Basic IP packet components ........................... 11-171
Basic protocol types ....................................... 11-171
Firewall design rules....................................... 11-172
Filter basics................................................... 11-174
Example filters ............................................... 11-175