A firewall is a security device that separates a network. The network that it separates is the internal network from the external one. It can be implemented in many different ways depending on the need of the company.
A firewall controls access to networks, data, and devices on a local or wide scale. It can be used for both public and private companies or other organizations. The use of firewalls is constantly increasing due to cybercrime threats and IT vulnerabilities.
Firewalls are a part of all modern businesses. They help protect your network from outside threats and allow you to focus on creating content that will convert visitors into customers.
But there is a need for companies to understand their own networks and what they can do to improve their security. So, here are some basic tips on how you can implement firewalls at your organization:
1. Unique hostnames
Make sure all the servers and devices in your network use unique hostnames (not IP addresses). Hostnames give you a better understanding of where your servers and devices are physically located. This can help you to identify if a server is down or if the IP address has been changed on a device.
2. Implement an antivirus software
Implement antivirus software like Malwarebytes Pro or Norton AntiVirus Premium with Firewall protection.
Malwarebytes is popular antivirus software that can detect and remove even the most advanced of malware. It is a great tool for creating a more secure computer. Norton Antivirus Premium has been around for over 20 years and has been continuously updated with new features to protect your PC from many modern cyber threats.
3. Use different passwords for employees
Use different passwords for employees and employees only; make sure the passwords are strong enough; don’t share passwords with anyone else, including IT staff members; always change passwords periodically to make it tougher to hack.
4. Keep your Firewalls on at all times
Whether you’re a personal user or a company, there are many risks that the internet poses. Hackers could steal your identity, financial information, credit card numbers and more. However, it is possible to keep yourself safe from these threats.
One of the best ways to protect yourself from these threats is to keep your Firewalls on at all times. They can prevent malware from accessing your computer and be used as a shield for online activity.
To make sure that your Firewall is always on and active, make sure to set up periodic scanning schedules so that you don’t miss any potential threats.
5. Keep the OS of your Device(s) updated
One of the most important things you should keep in mind is to keep your device(s) updated. If you are using an Android device, it’s very simple to do so because the OS has an updater that can be accessed from your settings menu. It’s just a matter of clicking on the “update now” button and all will be well.
However, for iOS users, it can be a little more difficult if they don’t have iTunes plugged in. If iTunes is not plugged in, the only way to update is by plugging it into a computer and downloading an update manually. You should keep this option at hand when you need to update your iPhone or iPad as soon as possible!
6. Well-defined ‘rule base‘
There are four common types of firewall rules:
1) Connection filtering rules that filter traffic based on the source and destination IP addresses, port numbers, and protocols.
2) Content filtering rules that filter traffic based on the content being sent or received by a particular virtual service or application.
3) Application-based filtering rules that allow or deny access to specific applications based on criteria such as user credentials, user location, the time of day, and so on.
4) Acceptable use policies designed to prevent data leaks from within a company’s network.
In today’s world with a lot of security threats online it’s important for organizations to have a well-defined rule base that can be used for troubleshooting purposes as well as defending against any potential threats. The more granular these rules are, the easier it is to enforce them and protect against malicious attacks.
7. Rule to block firewall circumvent attempts
To prevent attacks, you need to set a rule on your firewall. Here are some rules that you can set on UCG Firewall
Rule 1: If the URL of the site is not in the whitelist, then block it.
Rule 2: Block all requests from IPs that are not in the whitelist (i.e., all requests from India)
The firewall is the first line of defense against hackers and intrusion. It should be configured to prevent any suspicious requests, like those to compromise the firewall.
It is important for all organizations to set up a rule on how they should respond to suspicious requests coming from other users, applications, or devices. Organizations should develop rules that are appropriate for their risk level and network configuration.
8. Check for any vulnerability in the firewall
Firewalls are a layer of protection that blocks unwanted internet traffic and keeps your personal and business information secure. They help with IP and SSL security and limit the use of malicious software.
Firewalls come in many forms, from personal to enterprise-level solutions. When they’re not properly configured or updated, they can put users at risk.
This is why it is important for IT professionals to regularly check for any vulnerability in the firewall to make sure it’s up-to-date, secure, and running efficiently.
9. Lock VPN access
Nowadays many companies are using the firewall to protect their data and systems from external attacks. Many companies use VPNs to connect with branch offices, other parts of the company, and their other locations. But there are still some cases where you need to access your company’s network while on the road because your business requires it.
VPN is an important tool for business travelers because it gives them peace of mind when they are working outside of their office. It allows them to securely connect with company resources no matter where they are located in the world.
Lock VPN is a business-friendly solution that easily allows you to access your company’s resources when you need it most, without having to worry about any changes in network configurations or location-based restrictions.
10. Implement location-based restrictions
When a cyber-attack happens, one of the first things to do is implement a firewall. This will help you to protect your servers and other sensitive systems from the attack. However, it is important that you don’t let everything through because then attackers won’t know where to target next. That’s why it is critical that you also implement location-based restrictions when under attack.
Location-based restrictions can be implemented in different ways like:
– Allow only users from certain countries
– Allow specific IP addresses
– Blocking specific sites or services
– Restricting access to certain computers or devices
– Implementing time-based restrictions etc.
11. Keep a constant check on firewall users
A firewall setting can be a major security risk for a business. Therefore, it is crucial that the company monitors its employees on this setting.
A firewall is a network layer security system that denies unwanted incoming and outgoing connections from the outside world to a computer on the private network. It typically also filters or blocks some incoming and outgoing data packets as well as certain types of network traffic before they are sent to other nodes on the private network, such as applications running within a virtual private network (VPN).