When creating a firewall policy it's always good to add a comment to it. Over the time, it's easier to review and manage firewall policies which have comments attached. Comments attached to firewall policies simplify the firewall administrator's job and help keeping a clean and secure firewall configuration. Read More

In some cases firewall administrators feel tempted to use “any” within an allow firewall rule, either because something isn’t working or to simplify their job. In this article we will see why you should never use “any” within allow firewall rules in order to prevent both security and traffic flow control issues; make sure your rules allow only needed traffic. Read More

Whenever you have to implement a new firewall policy or you need to change a current firewall policy, an important step in the process of implementing the firewall change is to schedule an appropriate time for configuring the firewall and committing the change. Read More

At a glance implementing a firewall change may appear a simple task, but in reality it may not be so. Common firewall changes include: adding, removing or modifying firewall rules and objects. Firewall rules and objects can change as a response to new threats, network modifications or the use of new services. Read More

This article gives a list of possible reasons causing throughput and performance issues in the SonicWALL UTM appliance. The list is not complete but only an enumeration of some of the common possible solutions. Each SonicWALL UTM appliance series has different performance capabilities depending upon hardware specifications such as the CPU, the RAM or the Flash memory. It is recommended to check the particular device's capabilities before deciding that the performance related issues with the device is due to other factors. Read More

SonicWALL Analyzer allows you to find and document users' activities on the Internet. Learn how you can quickly identify these users to prevent them from jeopardizing your network's integrity and consuming your Internet bandwidth. Read More

Port forwarding enables remote clients to access a specific service on a server located on the internal network behind the firewall. It is a form of NAT which allows you to forward a specific port to a specific host. Learn more about SonicWALL port forwarding and how to implement them in your firewall.

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As your wireless networking needs grow so does your deployment of wireless access radios. This article will help provide you some insight into what your wireless network spectrum looks like and offers suggestions to help improve your overall wireless performance.

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We've all seen it. We're browsing around the Internet looking for that latest Windows driver or the next big application for the sales department and just as we think we have hit pay dirt we get the following screen...

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The firewall does not have signatures to identify and allow or block the needed applications meaningless of destinations and protocols. As we will see in this article, an unwanted application can escape over regular ports(TCP port 80 and 433) or application protocols(HTTP or HTTPS). It's not enough to filter per port or protocol; the administrators must filter per applications or categories of applications.

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