Difference between Firewall and Antivirus

Firewall: Firewall is the specified version of router. In this all data packets are entering or leaving the network pass through firewall and after examine firewall decide whether to allow or not.In firewall all traffic must pass through it and only authorized traffic should be allow to pass. Firewall should be strong. 

Antivirus: Antivirus is an application or software which provides security from the malicious software coming from the internet. An antivirus chases the method in which it performs 3 actions which are:

• Detection
• Identification
• Removal

Antivirus deals with both external threats and internal threats. It is implemented only software not in hardware also. 

Difference between Firewall and Antivirus:

S.NO	Firewall	Antivirus
1.	Firewall is implemented in both hardware and software.	Antivirus is implemented in software only.
2.	Firewall deals with external threats only.	Antivirus deals with both external threats and internal threats.
3.	In firewall counter attacks are possible such as IP Spoofing and routing attacks.	In antivirus no counter attacks are possible after removing the malware.>
4.	Firewall works on monitoring and filtering.	Antivirus works on Scanning of infected files and software.
5.	Firewall checks the threat from incoming packets.	Antivirus checks the threat from malicious software.
6.	Firewall saves the system from all kinds of threats to the system.	Antivirus saves the system only from viruses.
7.	Firewall’s programming is complex than antivirus.	Antivirus’s programming is simpler as comparison to firewall.