Spam firewall for dummies
No doubt, all firewalls are not same and there are different kinds of firewall technologies available. Basically there are various factors which you have to consider while purchasing firewall and it primarily depends on the needs of network. The benefit of using firewall is that it can keep irritating traffic out of your network. However, if you opt for a cheaper firewall then you may keep the traffic out of your network but you may not avoid a serious attack. However, a typical firewall system can only keep the unwanted traffic away and it may not fulfill the requirements of corporate security.