Many routers come with hardware support built in to protect your connection from those attempting to hack or disrupt your service. Many netgear routers come with firewall support built in, as do buffalo and D link router equipment.
It is the general consensus that you should complement your firewall program by installing a hardware firewall. This is a firewall that is built into a router or stand-alone device. It often provides greater protection than a software-based firewall.
NAT IS A FIREWALL -- inside a router and when on you have a hardware firewall protecting you
backup
Usually software but some hardware firewall devices are produced.
No
No
firewall is a hardware or software solution to enforce security policies. In the physical security analogy,
A firewall can be either hardware or software
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I think firewalls can be both software and hardware. When you buy computers, it will usually always come with a limited time only antivirus and firewall.
A peice of hardware of software that blocks internet or network traffic is called a Firewall.
No as no software is compulsory