Re: Google Classroom Video not making it through firewall

> Hello Matt,
>
> Thank you so much for your reply. Unfortunately when I perform the
> 'shorewall clear' command, I lose all access to the outside world

Maybe you have to enable ip forwarding once you disable shorewall?

Simon

> (internet) so I am unable to test.
>
> Thank you for your time.
>
> Harold
>
> ------ Original Message ------
> From: "Matt Darfeuille" <[email protected]>
> To: [email protected]
> Sent: 2022-03-29 2:16:22 PM
> Subject: Re: [Shorewall-users] Google Classroom Video not making it
> through firewall
>
>>On 3/29/2022 2:12 PM, Harold Scheunemann wrote:
>>>Hello,
>>>
>>>My name is Harold. I use a dedicated PC to provide IP Forwarding, DHCPD
>>> and Firewall services for my home. All communications with the outside
>>> world go through this PC. Lets call this PC#1. PC#1 has Slackware 14.2
>>> x64 installed on it with all of the latest updates. I have a second PC,
>>> identical hardware as PC#1, that has Slackware 15.0 x64 installed on it
>>> again with all of the latest updates. Lets call this PC#2.
>>>
>>>My child uses Google Classroom to participate in on-line school. With
>>> PC#1 connected to my network, normal two-way video and audio
>>> communications between the teacher and my child are possible. When I
>>> replace PC#1 with PC#2, the video that is generated locally does not
>>> make it to the teacher. The teacher sees a blank screen. My child is
>>> able to see video received from the teacher. Audio continues to behave
>>> normally, that is the teacher and my child are able to communicate
>>> verbally.
>>>
>>>For PC#1 and PC#2 I am able to use identical initialization scripts,
>>> except for rc.inet1.conf which has updated formatting on PC#2. For the
>>> Firewall services, I utilize Shorewall with the same scripts for both
>>> PC's.
>>>
>>>FaceTime between a couple of ipads works just fine.
>>>
>>>I've provided shorewall dumps for both PC's. If I could get some insight
>>> as to how to log the interaction that is not working, I would greatly
>>> appreciate it.
>>>
>>>Thank you for your time!
>>>
>>
>>The only thing that I can help you with is to isolate if this is a
>> Shorewall issue.
>>
>>If you do 'shorewall clear' on PC number two, does it work properly?
>>
>>-- Matt Darfeuille <[email protected]>
>>Community: https://sourceforge.net/p/shorewall/mailman/message/37107049/
>>SPC: https://sourceforge.net/p/shorewall/mailman/message/36596609/
>>Homepage: https://shorewall.org
>>
>>
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>
>
>
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