Please tell me what is firewall.
A firewall is a network security device that grants or rejects network access to traffic flows between an untrusted zone (e.g., the Internet) and a trusted zone (e.g., a private or corporate network). It can be implemented in both hardware and software, that uses rules to control incoming and outgoing network traffic.
Hardware Firewalls- It can be purchased as astand alone product but are also typically found in broadband routers, and should be considered an importnat part of your system and network setup.
Software Firewalls- It has to be installed on your computer (like any software) and you can customize it; allowing you some control over its function and protection features. A software firewall will protect your computer from outside attempts to control or gain access your computer.
I cant speak on whether or not the firewall offers any seo benefits but I would imagine it would especially if it is caching faster. However Moz has compiled a listing of algorithm updates. I would look at when your rankings started to fall and see if it matches up with the updates and check your backlink profile and do some competitor research to see if anyone is doing anything different.
A Firewall is a network Security in which monitior & controls the incoming and outgoing network traffic. It Can be Implement Both Hardware & software. Firewall is always useful for allowing remote access to a private network through secure authentication & logins.
Shield (a community or program) from unauthorized access using a firewall.
"a firewalled system"
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