| 6.
|
What does the conntrack module do?
|
| 7.
|
What do rule match criteria do? What are they used for?
|
| 8.
|
What do packet match criteria do? What are they used for?
|
| 9.
|
Which utilities copy packet filtering rules to and from the kernel? How do they work?
|
| 10.
|
Define a rule that will silently block incoming SMTP connections from spmr.com. |