COMPUTER NETWORKING

Previous
Next

NETWORK SECURITY

FIREWALLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
State the difference betweenA) iptables-A INPUT-s 59.45.175.62-j REJECTB) iptables-t filter-A INPUT-s 59.45.175.62-j REJECT
A
Both do the same task; no difference
B
B:rejects the packet but A will allow the packet
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -There may be some confusion about the difference between Netfilter and iptables. Netfilter is an infrastructure; it is the basic API that the Linux 2.4 kernel offers for applications that want to view and manipulate network packets. Iptables is an interface that uses Netfilter to classify and act on packets.

Detailed explanation-2: -On the one hand, iptables is a tool for managing firewall rules on a Linux machine. On the other hand, firewalld is also a tool for managing firewall rules on a Linux machine.

Detailed explanation-3: -iptables is a user-space utility program that allows a system administrator to configure the IP packet filter rules of the Linux kernel firewall, implemented as different Netfilter modules. The filters are organized in different tables, which contain chains of rules for how to treat network traffic packets.

There is 1 question to complete.
Previous
Next