Author Topic: Avast Premier Firewall stops LAN from connecting  (Read 1223 times)

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Offline the_equalizer

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Avast Premier Firewall stops LAN from connecting
« on: March 11, 2019, 09:02:55 AM »
The firewall in Avast Premier stops my LAN connection from being able to be used.
It initially sets it as a public connection and blocks the negotiation (DHCP) from taking place.

I keep having to disable the firewall and then disabling the LAN adapter, then enable the LAN adapter (or use IPCONFIG /RENEW) and re-enable the firewall.
This then correctly detects it as a private connection.

Offline Asyn

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Re: Avast Premier Firewall stops LAN from connecting
« Reply #1 on: March 11, 2019, 09:50:50 AM »
Set the Avast Firewall to private mode and reboot.
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline the_equalizer

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Re: Avast Premier Firewall stops LAN from connecting
« Reply #2 on: March 11, 2019, 10:59:16 AM »
I have tried that, but it blocks before it can identify the connection and automatically sets it to public while the connection is unidentified.

Offline Asyn

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Re: Avast Premier Firewall stops LAN from connecting
« Reply #3 on: March 11, 2019, 11:02:28 AM »
- Which version of Avast Premier..?
- OS..? (32/64 Bit..? - which SP/Build..?)
- Other security related software installed..?
- Which AV(s) did you use before Avast..?
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline the_equalizer

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Re: Avast Premier Firewall stops LAN from connecting
« Reply #4 on: March 11, 2019, 01:18:52 PM »
Avast Premier Version 19.2.2364 (build 19.2.4186.436)
Windows 10 Enterprise (64bit) version 1809 Build 17763.316
No other security software installed, now or before installing Avast Premier.

Offline Asyn

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Re: Avast Premier Firewall stops LAN from connecting
« Reply #5 on: March 11, 2019, 01:46:31 PM »
Update to the latest version (19.3.2369): https://forum.avast.com/index.php?topic=225874.0
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0