Currently, the Internet has become more and more accessible to more people than it has ever before. Moreover, the use of the Internet seems to have increasingly inseparable in various fields of human life in this world. With the internet, one can easily find out and get information, it is easy to communicate with colleagues regardless of distance and time, easily perform transactions wherever and whenever easier to do all of the teaching-learning activities remotely and more convenience provided by the internet. As if with the internet we felt that the world was like without limits.
Anywhere in the world can now be connected to the Internet, which provides a variety of information that can be accessed by anyone. That is why every computer connected to the internet needs to be protected so that it will be free from anything damaging it. One of the protections is the firewall. It is a kind of protections for computers which is usually maintained by those who understand IT very well like IT professionals. However, fortunately, now, one can simply hire the services like it services Bellevue to help maintain the firewall instead of hiring someone.
There are several functions of firewalls, among others:
– Firewall is usually used to prevent or control the flow of specific data. That is, each packet entering or leaving will be checked, whether they fit or not to the same criteria on security standards defined in the firewall.
– To protect the filter, limit or even deny any or all relationships or activities of a segment on a private network with an external network that is not a scope. The segment can be a workstation, server, router, or local area network (LAN).
– The use of firewalls to prevent the efforts of various trojan horses, viruses, phishing, spyware to enter the remote system by preventing the relationship from the outside, except those intended for the computer and a particular port.
– The firewall will filter and click audit of cross-border traffic between outside and inside the network.