A firewall is a critical aspect of any network or computer and essentially provides you with core
Troubleshooting and Fixing Common Firewall Problems
protection against unauthorized access to your machine. Firewalls utilize a number of different technologies and techniques including Packet filtering, Application gateway protocols, Circuit-level gateway, and proxy servers. With a combination of all these firewall techniques, you can effectively ensure your computer prevents access to your machine from unauthorized Internet users. TheÂ firewall softwareÂ you decide to use will also provide you with the ability to set specific network traffic and permission rules to configure the techniques your firewall uses to your ideal specifications. However, there are a number of firewall problems that can often occur for the average PC user.
Here are a few of the most common troubleshooting tips and fixes for common firewall problems:
- Firewall is Blocking an Application
- Firewall is Turned Off on System Start or Restart
- How to Disable Windows Firewall in Command Prompt
Firewall is Blocking an Application
One of the most common issues that users will experience is their firewall blocking an application by blocking its communications with the internet. The issue is commonly due to the fact that Windows Firewall and most other firewall applications automatically block all inbound network traffic and allows all outbound network traffic. If an application uses both inbound and outbound network traffic, your firewall may have set a rule to block the application all together. The easiest way to remedy this firewall problem is to create a rule allowing the application. This is a core functionality that will be included in all firewall software.
Firewall is Turned Off on System Start or Restart
One common issue you may run into with theÂ Windows FirewallÂ is the firewall application being turned off upon boot up or system restart. This can obviously be quite frustrating, forcing you to manually start the firewall every time you start your system. One of the most causes of this is having third-party firewall software installed on your operating system. Even if the other firewall isn’t being used or turned on, it may be preventing the Windows Firewall from automatically starting on system boot up. If you are on a network managed by Group Policy, you may receive this error message. “For your security, some settings are controlled by Group Policy.” If this is the case you will have to contact your network administrator to find out which settings may be causing your firewall issues.
How to Disable Windows Firewall in Command Prompt
If you need to disable your Windows Firewall via Command Prompt, you can do so by navigating to Start>All Programs>Accessories> Right Click Command Prompt> Run as administrator. Confirm your desired action in the User Account Control dialog box and click Continue. When the command prompt window appears, type the following command: netsh advfirewall set AllProfiles state off.
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