Specifications

Examples of IP Filter Profiles

62 AVM Access Server – 5 AVM Access Server Concepts and Functional Principles

The diagram below illustrates the order in which packets traverse the

AVM Access Servers filters.

Path of IP packets through the AVM Access Server’s filters

Examples of IP Filter Profiles

The AVM Access Server provides the following pre-defined IP filter pro-

files which can be used for Internet access:

Incoming Internet profile (upper only)

Outgoing Internet filter profile

Incoming Internet profile (upper, stateful)

Incoming Internet profile (lower, stateful)

VPN packets only (lower)

Global input filter

Masquerading/NAT

Upper incoming

filter profile

IPSec Decryption

ISDN / ADSL / GSM /

LAN

Global output filter

Masquerading/NAT

Upper outgoing

filter profile

IPSec Encryption

ISDN / ADSL / GSM /

LAN

Global forwarding

filter

Decrypted

data

Lower incoming

filter profile

Lower outgoing

filter profile

Local IP stack of the operating system