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Consumer Products => Avast Free Antivirus / Premium Security (legacy Pro Antivirus, Internet Security, Premier) => Topic started by: Emanuele45 on August 26, 2021, 10:51:34 AM

Title: suddenly Avast premium security doesn't allow anymore to connect to VPN
Post by: Emanuele45 on August 26, 2021, 10:51:34 AM

Hi,
I suddenly was unable to connect to my VPNs while avast firewall was on.
I found that in "packet rules" of firewall there where rules blocking ports 500, 1701  and 4500
To be able again to connect to my VPN (as I was used until a few days ago) I disabled the above rules.

I presume the above rules where inserted from an Avast update but I'm not sure.

Title: Re: suddenly Avast premium security doesn't allow anymore to connect to VPN
Post by: lukor on August 26, 2021, 02:12:53 PM

Hi Emanuele45, could you please post your rules.xml file (from ProgramData/Avast Software/Avast/fw folder) and/or perhaps a screenshot of the conflicting rules? That would help us guess where these have come from. Thanks Lukas

Title: Re: suddenly Avast premium security doesn't allow anymore to connect to VPN
Post by: pavelk on August 30, 2021, 04:11:23 PM

Hi Emanuele45,
I'm sorry it is bug in default fw setting. We are creating the fix.
You can create new fw packet rule - allow ports:500,1701,4500 and move the new rule up.
Thanks
Pavel