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... As you can see there are a lot of concerns in the field today but this paper focuses on firewalls, one way to help you keep the people you don’t want in your systems, out. ...
Now that you have established the value of your network you need to understand the basic functions and features of firewalls in order to help protect your network. ... All firewalls will scan incoming traffic but only some firewalls scan outgoing traffic, another thing you have to think about when purchasing your firewall. Below is a list of the basic functions and features of a firewall. ... Although most of the time firewalls are used to keep unwanted network traffic out, you may in some cases want to allow selective access.
· Allow connections to internal network – With VPN becoming more mainstream firewalls have to be able to allow external employees access to the corporate network all while making sure security is the number one issue. ...
Since firewalls are a single entry point for network traffic entering and leaving your network, this is a good place for additional security tasks. ...
· Intrusion Detection – Some firewalls can log certain patterns of network traffic and throw a flag up to the administrator indicating something that should be looked at immediately. ... Load balancing allows for cooperating firewalls to distribute traffic. ...
· Viruses and Trojan horse programs – Firewalls attempt to scan for viruses in all network traffic, but such programs are changing constantly. ...
Knowing the functions and features of firewalls you should now be ready to setup your firewall strategy. There are two basic strategies when setting up a firewall and they are as follows:
· Allow-all – Allow all network packets except those that are explicitly denied. ... There are two basic advantages to this approach:
· It requires you to maintain only a small list of allowed network traffic rules. ... Some firewalls can only be administered right at the firewall, others allow you to administrate from a remote point. ...
· Intrusion Detection: Up to a certain point most firewalls should be able to stop the common intrusion methods. ... As you can see there are a lot of concerns in the field today but this paper focuses on firewalls, one way to help you keep the people you don’t want in your systems, out.
Approximate Word count = 2312
Approximate Pages = 9.2
(250 words per page double spaced)
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