1. Why do we need to build a kernel module in order to use the netfilter hooks?

2. Based on the netfilter diagram below, please describe which filter is best for enforcing the following rules:

NF_IP_PRE_ROUTING Routing Routing NF_IP_FORWARD NF_IP_POST_ROUTING Routing Network Stack NE_IP_LOCAL_IN REJO LOCAL MI L N NE_
(a) Restricting what comes into a computer
(b) Restricting what goes out of a computer

3. Does a SYN flooding attack cause the victim server to freeze?

NF_IP_PRE_ROUTING Routing Routing NF_IP_FORWARD NF_IP_POST_ROUTING Routing Network Stack NE_IP_LOCAL_IN REJO LOCAL MI L N NE_IP_LOCAL_OUT EJO LOCAL,OUT



Source link

Leave a Reply

Your email address will not be published. Required fields are marked *