Firewall
Archived Posts from this Category
How to deal with ZoneAlarm problems
Posted by pcfix on 06 Aug 2007 | Tagged as: Firewall, Registry, Security, Windows
ZoneAlarm provides a great firewall product for free to home users, but what do you do when you run into problems? We will tell you about a few of the common technical issues and what you can do to try and resolve them.
One common problem with ZoneAlarm is that you cannot access the internet or emails after you have installed ZoneAlarm. If this is the case, it is recommended that you perform a clean uninstall of the ZoneAlarm program and then try to reinstall it. To do this, you will need to right-click on the ZoneAlarm uninstall icon and then select Properties. Add a space to the end of the executable name and then add “/clean” to the end of it. Run this program and if ZoneAlarm uninstalls successfully, you can go ahead and install a new copy of it.
If you have problems with the clean uninstall, you will need to reboot your computer into Safe Mode. Now you will want to delete the Zone Labs folder from Program Files and then delete the folder Zone Labs from HKEY_LOCAL_MACHINE in your Windows Registry. Now delete the files in C:\windows\internet logs\. Once this has been completed you will need to reboot your computer.
Now that you have successfully removed ZoneAlarm from your computer, you will need to go to the Zone Labs web site and download the installer for the product you need. Run the installation file to install the program into your computer again and your problems should now be resolved.
Sometimes when attempting to install ZoneAlarm you will get an invalid win32 application error. This is caused when the installation file downloaded is not complete. Check the size of the file to see if it is the same as the one provided from the site. If it is not, your internet connection has most likely timed out causing the file on your computer to be incomplete. To help prevent this from happening, install a download manager such as True Downloader that is available on the internet.
Another common problem is that you cannot access emails with outlook when using ZoneAlarm Pro with Norton Anti-virus. This is because the email scanning part of Norton is being blocked by the ZoneAlarm firewall and therefore is not allowing your emails to flow through. There are a couple of things that you can do to correct this issue. The first and easiest is to simply disable the email scanning option in Norton Anti-virus. If you would like to leave this activated you can check for any components of Norton in the Program Control of the firewall and be sure to check off access and server. Now you can restart Outlook and everything should work correctly.
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How to fix Firewall problems
Posted by pcfix on 12 Jul 2007 | Tagged as: Error, Firewall, Security, Software, Windows
Firewalls are designed to block unauthorized access to your computer or network, but if they are not set up properly, they can also prevent you from doing the things that you would like. You can uninstall or disable the firewall software, but this will also expose your computer to unsolicited attacks which defeats the purpose of having a firewall altogether. We will give you a few ideas to get you pointed in the right direction.Maybe you are having problems setting up your home network. You have set up the workgroup name on all the machines that you would like to connect together and have enabled printer and file sharing, but still cannot see the files on other computers. This is a common problem that is the result of a firewall that has not been set up properly. A firewall will usually block all access from computers that it does not trust. So, to get things working correctly, you will need to add the computers in your network to the “Trusted Zone” for your router. If your network uses static IP addresses and you know the addresses of the computers that you would like to trust, you can enter them individually. If you have a DHCP network, you may wish to specify a range of addresses to trust. If you do not know where to set the “Trusted Zone” for your firewall, check with the documentation that you have been provided with the software or that can be found on the developer’s website.
Another common problem will often occur when you are trying to run a web server or ftp server that is hidden behind your router. Routers will often have a built in firewall and need to be set up so that this firewall does not block access to these services. There will usually be a “Filters” menu that can be set up using your routers web based menu system. In this section, you will need to select the ports that you wish to open on the router’s firewall and to which computer behind the firewall you want the different requests to be sent to. This will allow you to run different servers behind your router that provide different services. Once again, each router adjusts these settings using slightly different interfaces, so be sure to consult with your owner’s manual if you are having troubles.
Of course, not all problems with a firewall are due to the settings. Some third party firewall programs have been known to have issues when run on Windows XP SP2. If you are in this situation, a visit to the Microsoft website will provide you with an update that should correct your problem. You may also want to check with the developer’s website for updates or patches that they have created for their firewall applications.
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