 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
Using Internet topology (3)
|
|
|
|
|
 |
 |
• |
Filter
types (any combination of the following):
|
|
|
|
|
 |
 |
 |
 |
 |
- |
Inbound
|
|
|
- |
Outbound
|
|
- |
Transit
|
|
|
- |
Self
|
|
|
|
 |
 |
 |
 |
 |
- |
connections
coming into this AS
|
|
- |
connections
going out
|
|
|
- |
connections
passing through
|
|
|
- |
internal
communication
|
|
|
|
|
|
|
|
 |
 |
• |
Combinations
in this presentation:
|
|
|
|
|
|
|
 |
- inbound only (traditional firewall)
|
|
- all traffic through border routers
|
|
|
|
|
|
|