Author Topic: Avast Firewall is blocking Minecraft Server  (Read 21328 times)

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Avast Firewall is blocking Minecraft Server
« on: September 18, 2016, 09:50:09 PM »
I tried adding an application rule for both java and javaw to be allowed on all connections, yet it still does not work unless I turn off the firewall entirely. In addition, the firewall states that Java(TM) Platfrom SE Binary was one of the last programs blocked by the firewall?
I am also positive that it is the Avast Firewall because when turned off, it works fine.

Any idea how to whitelist/allow it?

« Last Edit: September 18, 2016, 09:58:54 PM by baphafrule »

Offline Pondus

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Re: Avast Firewall is blocking Minecraft Server
« Reply #1 on: September 18, 2016, 09:59:23 PM »
Is your avast firewall in private or puplic mode?


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Re: Avast Firewall is blocking Minecraft Server
« Reply #2 on: September 18, 2016, 10:04:07 PM »
Is your avast firewall in private or puplic mode?

Windows set my network as a home network, but I don't know if Avast is private or public, or how to tell.

Offline Pondus

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Re: Avast Firewall is blocking Minecraft Server
« Reply #3 on: September 18, 2016, 10:56:44 PM »
Is your avast firewall in private or puplic mode?

Windows set my network as a home network, but I don't know if Avast is private or public, or how to tell.
Picture nr.#3  >  http://www.akruto.com/firewall-configuration/avast-internet-security-firewall-configuration/


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Re: Avast Firewall is blocking Minecraft Server
« Reply #4 on: September 18, 2016, 11:05:49 PM »
I'm using a different version: http://i.imgur.com/sNur1bo.png

About Avast says I have version 12.3.2280.

I also made a new group with both java and javaw and gave them both full permissions, to no avail.

Offline Pondus

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Re: Avast Firewall is blocking Minecraft Server
« Reply #5 on: September 19, 2016, 12:00:35 AM »
at the bottom of your picture, see Network connections  what do you find there?


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Re: Avast Firewall is blocking Minecraft Server
« Reply #6 on: September 19, 2016, 12:20:19 AM »
at the bottom of your picture, see Network connections  what do you find there?

Shows this: http://i.imgur.com/2uf4cX8.png
Not much useful there, but clicking configure brings me to http://i.imgur.com/6eUwIxy.png , where Java already has full permissions.

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Re: Avast Firewall is blocking Minecraft Server
« Reply #7 on: September 19, 2016, 12:44:21 AM »
Well i dont use avast firewall so have no idea, you have to wait fore some that do to reply


Offline Eddy

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Re: Avast Firewall is blocking Minecraft Server
« Reply #8 on: September 19, 2016, 09:04:24 AM »
Check the firewall log file.
See what is blocked and set the appropriate rule for it.

or check the games website and see what rules need to be set in a firewall.

Offline Asyn

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Re: Avast Firewall is blocking Minecraft Server
« Reply #9 on: September 19, 2016, 09:06:21 AM »
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

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Re: Avast Firewall is blocking Minecraft Server
« Reply #10 on: September 19, 2016, 02:00:39 PM »
Another easier solution is that the Firewall makes the application rule(s) for you.

- First delete ( all ) the rule(s) for the applicaton(s) involved :

Avast - Tools - Firewall - Application Rules - right-click on the application - Delete.

- Than set the Avast Firewall on Auto-decide :

Avast - Tools - Firewall - Settings - Policies - Default rules - Auto-decide - OK.

- And execute the application(s) so that the Avast Firewall will create (a) new rule(s).

Of course you can set the Avast Firewall back on Ask afterwards if you desire that.

Greetz, Red.
« Last Edit: September 19, 2016, 02:02:18 PM by Rednose »
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Offline mchain

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Re: Avast Firewall is blocking Minecraft Server
« Reply #11 on: September 20, 2016, 08:59:31 AM »
Open the avast main window>click gear icon (settings)>Click Firewall>see attached below:
Windows 10 Home 64-bit 22H2 Avast Premier Security version 24.1.6099 (build 24.1.88821.762)  UI version 1.0.797
 UI version 1.0.788.  Windows 11 Home 23H2 - Windows 11 Pro 23H2 Avast Premier Security version 24.2.6105 (build 24.1.8918.827) UI version 1.0.801

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Re: Avast Firewall is blocking Minecraft Server
« Reply #12 on: December 12, 2017, 03:21:11 PM »
Go to firewall-Settings-Check internet connection sharing mode
And done 8)