Author Topic: Avast Internet Security Firewall blocks hosted network  (Read 4025 times)

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Offline kamster

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Avast Internet Security Firewall blocks hosted network
« on: October 10, 2016, 08:03:29 PM »
I've been using Avast IS for some time now, and I've been using native Windows function - hosted network, to share connection across my other devices via WiFi (I have only one modem, plugged in to usb port). Recently (can't exactly say when) Avast firewall started to block connection. I can still connect to network using other devices, but as long as firewall is turned on on my main pc, there is 'no internet connection' on others. When I disable firewall, everything works great. I HAVE intenet sharing mode turned on, I have latest (12.3.2280) version, I've restored default settings of whole Avast IS. What can I do to make it work?

Offline Eddy

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #1 on: October 10, 2016, 08:08:59 PM »
Is the firewall set to public or private for that network connection ?

Offline kamster

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #2 on: October 10, 2016, 08:16:17 PM »
Both ('outside' connection with my internet provider and hosted network) are private and Network Sharing Center in Windows shows them both as having internet.
« Last Edit: October 10, 2016, 08:21:36 PM by kamster »

Offline Eddy

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #3 on: October 10, 2016, 08:22:48 PM »
Not possible.
Per network the avast firewall can only be set to one of the options.

Offline kamster

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #4 on: October 10, 2016, 08:40:32 PM »
What do you mean by 'one option'? There should be only one network? How is that, when I have two connections, one per ethernet, and one per hosted network via wifi? What's not possible?

Offline Eddy

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #5 on: October 10, 2016, 08:46:14 PM »
Per network connection the avast firewall can only be set to either private or public.

Offline kamster

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #6 on: October 10, 2016, 08:52:18 PM »
Ok, and it's private, what's not possible?

Offline Eddy

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #7 on: October 10, 2016, 08:54:52 PM »
Quote
what's not possible?
See reply #1, #2 and #3

Offline kamster

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #8 on: October 10, 2016, 08:57:46 PM »
Both [...] are private [...]
Anyway, it doesn't answer the question. Connections are private, here, I've said it again. What's the solution?

Offline Eddy

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #9 on: October 10, 2016, 09:05:11 PM »
Disable ICS and connect the other devices directly to the modem.
If it is only a modem, replace it with a modem/router combination that supports WiFi.

or

setup the firewall rules correctly.
https://www.avast.com/faq.php?article=AVKB25

Offline kamster

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #10 on: October 10, 2016, 09:13:07 PM »
I wish I could use a router, that would solve all problems right away, but unfortunately it's not the option. I can't also connect other devices directly to modem, 'cause those are phones and kindle, and, as I said, modem is connected through usb standard port.
And I've figured it out that something must be changed in firewall settings, but I've seen article you're pointing me to, and it's not very helpful. Could you be more specific? Which process should I set up and how to make hosted network work?

Offline Eddy

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #11 on: October 10, 2016, 11:02:24 PM »
So you have :
ISP > modem > pc > other devices ?

If that is so, where is the WiFi ?

Are you sure the modem is just a modem and not a modem/router/(firewall) ?
What make/model is it ?

Modem/routers are real cheap.
You can get a second already for about $10/€10

Offline kamster

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #12 on: October 10, 2016, 11:44:15 PM »
Money is not a thing :)
And yes, that route (ISP > modem > pc > other devices) is correct. WiFi is in pc, I share network with Windows built-in function, called hosted network, via WiFi. Well, I used to.

Offline Eddy

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Re: Avast Internet Security Firewall blocks hosted network
« Reply #13 on: October 11, 2016, 12:08:12 AM »
If money is not a issue, get yourself a decent modem/router and setup things properly.

Your setup is really as it was sometimes needed in the stone-age of networking.