Firewalls

Firewalls Which firewalls protect computers from spam?
Which firewalls protect computers from spam?
Do firewalls protect against spam? A firewall typically consists of a computer that acts as a barrier through which all information passing between th...
Firewalls Which devices can double as firewalls?
Which devices can double as firewalls?
What is double firewall? Dual Firewall The second firewall (also called back-end firewall) allows only traffic from the DMZ to the internal network. D...
Firewalls Firewall advantages and disadvantages
Firewall advantages and disadvantages
What are advantages of firewalls? A firewall is a security device – computer hardware or software – that monitors incoming and outgoing network traffi...
Firewalls Firewall types
Firewall types
What are the 3 types of firewalls? There are three basic types of firewalls that are used by companies to protect their data & devices to keep des...
Firewalls How do firewalls work?
How do firewalls work?
How does a firewall work in a system? The most basic form of firewall software uses pre-determined security rules to create filters – if an incoming p...
Firewalls Is running 3 firewalls at the same time bad?
Is running 3 firewalls at the same time bad?
How many firewalls can I run at the same time? You should never run two firewalls together as they will probably conflict, and cause system errors tha...