What are the fields that packet filter network firewall can investigate and block the user using it?
I. Port number of users
II. IP address of users
III. MAC address of users
1
only I
2
I and II
3
II and III
4
I, II and III
What are the fields that packet filter network firewall can investigate and block the user using it?
I. Port number of users
II. IP address of users
III. MAC address of users