Usually software but some hardware firewall devices are produced.
Both. There are two types of firewalls: software and hardware. Software firewalls tend to be more effective than hardware firewalls.
backup
A firewall can be either hardware or software
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.
firewall is a hardware or software solution to enforce security policies. In the physical security analogy,
A peice of hardware of software that blocks internet or network traffic is called a Firewall.
No as no software is compulsory
firewall
Hardware and software firewalls are completely different and both are still needed, as they both protect against different threats.
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.
Great firewall software would include zonealarm or webroot. Even the windows firewall included with Windows XP SP2 and beyond should do the trick. And remember that if you have a router it also has a hardware firewall in it.
The Firewall is software or hardware that checks information coming from the internet or a network, and then either blocks it or allows it to pass through to your computer, depending on your firewall settings.
A Firewall can fit that description.