How Do Firewalls Work1

Cyberattacks can be incredibly devastating for businesses, not to mention costly—it’s estimated that in 2017, the cost of cybercrime was nearly $600 billion. With the number of targeted cyberattacks continuing to rise, managed services providers (MSPs) are under increased pressure to secure customer networks from threats. 

As an MSP, you know that having a firewall (or multiple firewalls, for that matter) can make a big difference in network security. Firewalls help protect networks and devices from a wide range of security risks, namely unauthorized access from outside your customers’ networks. They can also inform you of potentially threatening attempts to connect from within customer networks.

Knowing how to properly articulate the role of firewalls for your customers is a key part of delivering service as an MSP. If you’ve ever had a customer ask “What does a firewall do?” or “How do firewalls work?” this guide can help walk you through simple ways to explain these concepts. 

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VOICE & DATA NETWORK CABLING SERVICES

Cabling is the most critical component of your network because it supports your IT and telephone infrastructure. In your IT infrastructure, Cabling is one of the most important investments that you will make.

Your main network infrastructure must be carefully planned to achieve maximum utilization and productivity throughout its useful life. Pro Group Networks can ensure that your structured cabling system is well done, with expertise and attention to detail.

Optimize your existing infrastructure.

It is easy to take Network Cabling Services for granted until your system is slow or becomes unavailable. Remove uncertainty and optimize your existing data, voice, wireless, Internet and cable infrastructure. With the added return of improved productivity and reduced overhead, you get the assurance of integrated error and performance management with our network monitoring solutions and managed network services.

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Analyzing the implications of proposed firewall rule changes

Not only can you add, modify, and delete rules, but you can also review the implications of a proposed change using rule impact analysis, and remove any invalid firewall rules before making them live in your firewall. With rule impact analysis, you can clearly determine if the proposed change is going to negatively impact the existing rule set, and make changes accordingly.

All changes made to rules and objects can be seamlessly pushed to your firewall device using an API or CLI.

To summarize, the rule administration feature simplifies firewall policy management, helps automate the process of pushing rules to the firewall, and enables security administrators to stick to firewall rule best practices. Download a free trial of Firewall Analyzer today, and get the most out of your firewall.

Application Reports for firewall devices
Firewall Analyzer generates Application Reports for applications (like Skype, Yahoo Messenger, etc...) accessed through firewall devices. The Application Control service should be available and enabled in the mentioned firewall devices. Firewall Analyzer uses the service provided by the device to get the details about the applications and generates the report.

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Manage Your Customer Firewalls - Cost Effectively!

Firewall Analyzer offers profitable Managed Firewall Services for MSSP (Managed Security Service Providers), whereby you can manage multiple customer-site firewalls from a single, centralized Firewall Analyzer installation. Using ManageEngine Firewall Analyzer, you can collect, analyze, archive, and generate a report for your customer firewalls which will help you to measure bandwidth usage, track intrusion, detect anomalies, manage user website access, audit traffic, and archive logs for compliance audits.
Firewall Analyzer provides access based controls through user-specific firewall views, whereby you as an Administrator can assign users to the respective firewalls that is being monitored by Firewall Analyzer, and each individual user will have access to only his respective firewall details in the Firewall Analyzer. You can also create custom dashboard views based on the different geographical locations or nature of the business of your customer.

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Personal firewalls

These are especially useful for users with always-on connections, like Digital Subscriber Line (DSL) or cable modem, because those connection types use static IP addresses. These attributes make a network especially vulnerable to potential hackers. As with all firewalls, the personal model's main function is to filter inbound and outbound traffic and to alert the user to intrusions. The difference is that it is for personal use and guards a single home network, as opposed to a large network with many potentially dispersed devices. It is often compared to antivirus applications.

Hardware firewalls
A firewall can either be software- or hardware-based. It is possible to have both and advisable to have both, depending on the user's needs. The benefit of having a physical firewall device is that it tends to be relatively tamper-proof because it needs to be accessed physically in order to do so. Also, because it is a dedicated network device, data passes through it quickly. It should not have a negative impact on network speed.

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