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Allowed program blocked by SmartFirewall

Issue that arose this morning. We have a machine (Windows 10) running a program called Alpha 5. Other computers on our network are able to connect to the database using a simple A5 client. We have used this program for years. We used it yesterday with no issues. However, this morning, nobody is able to connect. I can remote into the machine from my computer using RAdmin. But anyone attempting to connect with the A5 client program is not permitted. There have been no Windows updates run for over a week. Norton is the only security program running on this machine.

After double-checking the network, the router, the switch, etc we tried the last option we could think of. We went into Norton Security and disabled the Smart Firewall. The other computers were then able to connect and run with no issues. We turned Smart Firewall back on and back to no connections. 

Under Program Control Alpha 5 is Allowed with bi-directional traffic. Everything is allowed/permitted for Alpha 5. 

Right now we have Smart Firewall turned off so that our employees can access to program. I am lost as to what might have changed overnight. I tried removing the Alpha 5 from the Program Control and re-adding it. No difference.

Any suggestions on how I should proceed? I obviously want the firewall up and running but absolutely need the A5 client access connections for the employees.

Any and all help/suggestions are very much appreciated. Firewalls and networks are not my specialty so if you can help please talk to me like I'm 5 years old :)

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Re: Allowed program blocked by SmartFirewall

Hello L&R. Do a firewall reset in your Norton firewall. What version of Windows 10 is the machine in question running? 

Cheers

"From DOS to Windows10 what a journey it has been" / MS Certified Professional / Windows Server 2016 Essentials / Windows 10 Professional x 64 version 1909 / build 18363.752 / N360 Deluxe 22.20.1.69 / Norton Core v.200313_301 on Android 2.23 / Opera GX w/Chrome Extensions
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Re: Allowed program blocked by SmartFirewall

Hi Can you go to the Help - About dialog and let me know what version of the product currently installed on your machine? I will guide you soon. 

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Re: Allowed program blocked by SmartFirewall

Currently running version: 22.17.3.50

LiveUpdate Channel: Traditional

*** Please note that I am an idiot: the machine is running Windows 7, not Windows 10. When I was troubleshooting the other day the two machines I was working on were Windows 10. 

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Re: Allowed program blocked by SmartFirewall

Sorry. Realized this morning the server machine is running Windows 7 

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Re: Allowed program blocked by SmartFirewall

We are still having this issue. In order to use our system I have to keep the firewall turned off. Does anyone have any idea's on what might be causing this? 

Thank you again if anyone can offer any help. 

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Re: Allowed program blocked by SmartFirewall

L&R, run live update on the machines that are remote, the latest version of Norton is now at 22.18.0.213. Lets see if the patches make any difference.

Cheers

"From DOS to Windows10 what a journey it has been" / MS Certified Professional / Windows Server 2016 Essentials / Windows 10 Professional x 64 version 1909 / build 18363.752 / N360 Deluxe 22.20.1.69 / Norton Core v.200313_301 on Android 2.23 / Opera GX w/Chrome Extensions

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