Support For Firewall Antispyware
Different techniques in which Firewall software supports the antispyware
While it is commonplace for a personal computer to be equipped with anti spyware software, using firewall software for a home network would not only provide additional protection but also supplement the existing antispyware software in dispensing its vital functions. Having decided to install firewall software, the user has a number of choices as regards the type of firewall software which would assist the anti spyware to perform its functions meticulously with ease and thoroughness. While some operating systems feature the firewall software already installed within them, there are two-way third party firewall software packages which are meant not only for blocking incoming and out-going threats but also to successfully distinguish between the legitimate and the illegitimate messages. There are hardware firewalls as well which are based either on NAT or a combination of NAT and SPI and are installed in a small box set between a modem and a computer.
Although there is a difference between the style of functioning of the two protection software packages, the ways in which the firewall software helps the anti spyware software are listed as follows:
- Controlling incoming LAN and Internet programs
- Gathering unwanted programs to facilitate heuristic detection
- No response to unsolicited networking traffic
Controlling incoming LAN and Internet programs
Since the anti spyware software makes use of signature based detection, the firewall software provides assistance by maintaining a strict control over the incoming LAN and internet programs as well as Internet users so that only the known programs are filtered through. In such a situation, an unknown program is immediately scrutinized for its signature and identified as being a spyware or a benign program.
Gathering unwanted programs to facilitate heuristic detection
Firewall software is known to gather spyware, malware and other unwanted programs with the intention of subjecting them to heuristic analysis which is carried out by the sophisticated anti spyware software. This results in the detection of even the unique viruses which are protected by a meaningless code.
No response to unsolicited networking traffic
There are certain types of viruses which tend to gain administrative control over the entire system without being detected and these are known a rootkits. These are not only difficult to rid off but are also known to often tamper with the existing anti spyware programs thus rendering them ineffective. Under the circumstances, the firewall software offers its assistance by not responding to unsolicited networking traffic due to which the penetration of rootkits is minimized and prevented as well.
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