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Author Topic: Avast firewall started blocking scanners.  (Read 6848 times)

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Avast firewall started blocking scanners.
« on: July 14, 2016, 02:23:41 PM »
I have three scanners on two different wireless networks: home network: 192.168.0. scanner: HP D110; work network: 192.168.1 scanners: HP 8600, Epson NX420. Last week, all of a sudden, my scanning software VueScan cannot see any of the scanners. If I turn off the firewall, VueScan can see the scanners. I have added VueScan to the applications list and gave it full access. I have also listed my two networks in the friends list (again).  But still if the firewall is on, VueScan cannot see the scanners.

I have no idea what Network Profiles do. I do not recognize any of the profiles listed. My two wireless networks are not listed. What does Network Profiles do?

How do I get Avast to allow VueScan to work?
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Offline Asyn

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Re: Avast firewall started blocking scanners.
« Reply #1 on: July 15, 2016, 06:00:25 AM »
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Re: Avast firewall started blocking scanners.
« Reply #2 on: June 13, 2018, 02:52:14 PM »
Ports for smb scanning are turned on by default.  UDP 135-139 and TCP 445.  These are what is required for SMB scanning, but with my Avast firewall on I can not scan.  If I turn the firewall off, I can scan.  What else is required for SMB scanning in the Avast firewall?
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Offline Pondus

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Re: Avast firewall started blocking scanners.
« Reply #3 on: June 13, 2018, 03:43:46 PM »
Quote from: wpowell2 on June 13, 2018, 02:52:14 PM
Ports for smb scanning are turned on by default.  UDP 135-139 and TCP 445.  These are what is required for SMB scanning, but with my Avast firewall on I can not scan.  If I turn the firewall off, I can scan.  What else is required for SMB scanning in the Avast firewall?
Is your firewall network profile in puplic or private mode?

FAQ  >>  https://support.avast.com/

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Re: Avast firewall started blocking scanners.
« Reply #4 on: June 14, 2018, 12:13:21 AM »
It is turned on Private.
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