Firewall myths exposed

A firewall protects your PC and from all threats? Do not believe it! Because these tools may be less than one reputed to them. We tell you where your firewall does not help, and provide tips on how you are really sure.

Myth 1 with a firewall, I am safe from Internet dangers

If you think you have a firewall alone done enough for the security, is wrong. Quite the contrary, a user can thus be lulled into a false sense of security and venture carelessly in corners of the Internet, which they would normally never surf.

In fact, the firewall only filters the network traffic. DVD and USB drives do not remain to be underestimated gateways. This proves the worm Conficker that has spread remarkably rapidly through these media. The firewall is also powerless against viral infections classic: When a virus acer aspire 4741 battery was downloaded and run, he can settle in Internet Explorer and tricking with the authorization of the online tools through the firewall.

Result: Enhance your firewall necessarily anti-virus software, such as the free Antivir Personal Free 9.0 (for Windows XP, Vista and 7). Round up the protection of the PC through regular updates of all programs, and critical behavior from users.

Myth 2 Stealth mode makes me invisible

The stealth mode, which is integrated in some firewalls, suggests that total invisibility and protection for your computer and from attackers. The reality is different: the stealth mode, but is silent on ping requests. But if a hacker gets no answer to his question, he knows that there exist a computer Sony Vaio Vgn-Fz Battery  needs, which has rejected his request. For if no PC is behind a specific IP address, the appropriate network location responds with “Destination unreachable” (”destination unreachable”).

Consequence: Turn on the stealth mode in the firewall.

The best protection for your firewall
Myth 3 hardware firewall is better as a software firewall

In fact, the distinction between hardware and software firewall is wrong. Even on a hardware firewall software is running . Usually this is a Linux – based operating system with a packet filter. Like any other system can also have this vulnerability and be vulnerable . In fact, already had several suppliers of a hardware firewall to provide updates as their operating systems were dangerous gaps.The strength of hardware firewalls is elsewhere : they work acer aspire 4741 battery as opposed to a desktop firewall completely separate from your PC and .They come so that the requirement for a firewall to separate two networks , better after (see box).