Re: [Mozilla Enterprise] Security Warning for LogMeIn.com

2020-03-13 Thread Julien Cristau
The incomplete chain could definitely explain this.  In the absence of AIA
chasing (downloading missing CA certificates from a URL listed in the leaf
cert, which some other browsers do but Firefox doesn't) or intermediate
preloading (coming soon to Firefox), whether the site works or shows an
error depends on whether the browser has cached a copy of the certificate
(typically from visiting a properly-configured site using the same CA).

Cheers,
Julien

On Fri, Mar 13, 2020 at 5:20 PM Andrew C Aitchison 
wrote:

> On Fri, 13 Mar 2020, Eddie Rowe wrote:
>
> > I am receiving a failure of https on one system, but not on another
> > running ESR 68.6 x64.  I don't think it could be a DNS issue since
> > Chrome and Edge show the https session on the same PC.  Thoughts?
> >
> > URL:  https://help.logmein.com/pkb_Home?l=en_US==3
>
> I see from
> https://www.ssllabs.com/ssltest/analyze.html?d=help.logmein.com
> that they only support TLSv1.2 and have an incomplete certificate chain.
> Could either of those match a changed setting on that instance of firefox ?
>
> Failing that, does 68.6 support DNS-over-HTTPS ? If so that could be
> another difference, especially as there is a rolling switch-on in the US:
>
> https://blog.mozilla.org/futurereleases/2019/09/06/whats-next-in-making-dns-over-https-the-default/
>
> --
> Andrew C. Aitchison Kendal, UK
> and...@aitchison.me.uk
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Re: [Mozilla Enterprise] Security Warning for LogMeIn.com

2020-03-13 Thread Andrew C Aitchison

On Fri, 13 Mar 2020, Eddie Rowe wrote:


I am receiving a failure of https on one system, but not on another
running ESR 68.6 x64.  I don't think it could be a DNS issue since
Chrome and Edge show the https session on the same PC.  Thoughts?

URL:  https://help.logmein.com/pkb_Home?l=en_US==3


I see from
   https://www.ssllabs.com/ssltest/analyze.html?d=help.logmein.com
that they only support TLSv1.2 and have an incomplete certificate chain.
Could either of those match a changed setting on that instance of firefox ?

Failing that, does 68.6 support DNS-over-HTTPS ? If so that could be 
another difference, especially as there is a rolling switch-on in the US:

https://blog.mozilla.org/futurereleases/2019/09/06/whats-next-in-making-dns-over-https-the-default/

--
Andrew C. Aitchison Kendal, UK
and...@aitchison.me.uk
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Re: [Mozilla Enterprise] Google Meet, Firefox, Proxy...

2020-03-13 Thread Marco Gaiarin
Mandi! Dimas Streich (Informàtica Trueta)
  In chel di` si favelave...

> Maybe related to https://bugzilla.mozilla.org/show_bug.cgi?id=1468870 and
> https://bugzilla.mozilla.org/show_bug.cgi?id=1554218
> Try setting network.http.spdy.enabled to false

No, still does not work. Same result. ;(

-- 
dott. Marco Gaiarin GNUPG Key ID: 240A3D66
  Associazione ``La Nostra Famiglia''  http://www.lanostrafamiglia.it/
  Polo FVG   -   Via della Bontà, 7 - 33078   -   San Vito al Tagliamento (PN)
  marco.gaiarin(at)lanostrafamiglia.it   t +39-0434-842711   f +39-0434-842797

Dona il 5 PER MILLE a LA NOSTRA FAMIGLIA!
  http://www.lanostrafamiglia.it/index.php/it/sostienici/5x1000
(cf 00307430132, categoria ONLUS oppure RICERCA SANITARIA)
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Re: [Mozilla Enterprise] Google Meet, Firefox, Proxy...

2020-03-13 Thread Informàtica Trueta

  
  
Maybe related to
https://bugzilla.mozilla.org/show_bug.cgi?id=1468870 and
https://bugzilla.mozilla.org/show_bug.cgi?id=1554218

Try setting network.http.spdy.enabled to false

El 13/3/2020 a les 14:26, Marco Gaiarin
  ha escrit:


  
This situation on COVID-19 put a booster on video conferencing and
meeting, of course.


In our organization i've hitted a strange thing. The same computer,
Win7 64bit, that connect to the internet via the same HTTP proxy
(squid).

Firefox (latest ESR) connect to google meet, i can see the avatar on
the screen, some seconds passed and then hangout, as the ''RTP''
traffic (in quotes, of course) does not start.

Using chrome, all works as expected.

Firefox on my linux box (that can bypass proxy) works.


Someone can give me at least some hint on how to ''debug'' this?


Thanks.




-- 
  
  
Dimas Streich i Colomeda

Unitat de Tecnologies de la Informació i Comunicació
Hospital Universitari de Girona Doctor Josep Trueta
Institut Català de la Salut Girona
Departament de Salut | Generalitat de Catalunya
Av.França s/n | 17007 Girona
dstreich.girona@gencat.cat
| http://www.hospitaltrueta.cat


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[Mozilla Enterprise] Google Meet, Firefox, Proxy...

2020-03-13 Thread Marco Gaiarin


This situation on COVID-19 put a booster on video conferencing and
meeting, of course.


In our organization i've hitted a strange thing. The same computer,
Win7 64bit, that connect to the internet via the same HTTP proxy
(squid).

Firefox (latest ESR) connect to google meet, i can see the avatar on
the screen, some seconds passed and then hangout, as the ''RTP''
traffic (in quotes, of course) does not start.

Using chrome, all works as expected.

Firefox on my linux box (that can bypass proxy) works.


Someone can give me at least some hint on how to ''debug'' this?


Thanks.

-- 
dott. Marco Gaiarin GNUPG Key ID: 240A3D66
  Associazione ``La Nostra Famiglia''  http://www.lanostrafamiglia.it/
  Polo FVG   -   Via della Bontà, 7 - 33078   -   San Vito al Tagliamento (PN)
  marco.gaiarin(at)lanostrafamiglia.it   t +39-0434-842711   f +39-0434-842797

Dona il 5 PER MILLE a LA NOSTRA FAMIGLIA!
  http://www.lanostrafamiglia.it/index.php/it/sostienici/5x1000
(cf 00307430132, categoria ONLUS oppure RICERCA SANITARIA)
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