No policy for the downgrade protection. We weren't seeing a lot of folks running into this so I didn't add policy.
Note that starting with 77, we did tweak the downgrade protection so it wouldn't happen with major versions: https://bugzilla.mozilla.org/show_bug.cgi?id=1588113 So most folks using the ESR won't see this anymore. Mike On Thu, Jul 2, 2020 at 8:49 AM Periard, Eric <[email protected]> wrote: > *Classification: UNCLASSIFIED* > > > > Is there also a Group Policy for that or I absolutely need to go oldskool > on this one? > > > > Eric > > > > *From:* Mike Kaply <[email protected]> > *Sent:* July 2, 2020 9:47 AM > *To:* Periard, Eric <[email protected]> > *Cc:* [email protected] > *Subject:* Re: [Mozilla Enterprise] Error with using system proxy > settings (when changing from using "automatic proxy configuration URL" by > default via policies.json) > > > > EXTERNAL EMAIL – USE CAUTION / COURRIEL EXTERNE – FAITES PREUVE DE PRUDENCE > > Yeah, MOZ_ALLOW_DOWNGRADE is definitely what you want. > > > > Mike > > > > On Thu, Jul 2, 2020 at 8:05 AM Periard, Eric <[email protected]> > wrote: > > *Classification: UNCLASSIFIED* > > > > I will try this out, thanks! > > > > I have since upgraded to the latest ESR, but just in case…. > > > > Eric > > > > *From:* Mike Kaply <[email protected]> > *Sent:* July 1, 2020 2:47 PM > *To:* Periard, Eric <[email protected]> > *Cc:* [email protected] > *Subject:* Re: [Mozilla Enterprise] Error with using system proxy > settings (when changing from using "automatic proxy configuration URL" by > default via policies.json) > > > > EXTERNAL EMAIL – USE CAUTION / COURRIEL EXTERNE – FAITES PREUVE DE PRUDENCE > > You can read more about this here: > > > > > https://support.mozilla.org/en-US/kb/understanding-depth-profile-installation > <https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsupport.mozilla.org%2Fen-US%2Fkb%2Funderstanding-depth-profile-installation&data=02%7C01%7CEric.Periard%40cyber.gc.ca%7Cbee018d4817c447e5ae308d81e8e6ea9%7Cda9cbe40ec1e4997afb317d87574571a%7C0%7C0%7C637292944390962015&sdata=lTasv%2BR43%2BaiNILY5saNUeePmZqgsgrDwLLQK5JIiDE%3D&reserved=0> > > > > But specifically at the end: > > > > " The downgrade blocking can be bypassed by setting the environment > variable MOZ_ALLOW_DOWNGRADE or by passing the --allow-downgrade command > line argument when running Firefox." > > > > Hopefully this should accomplish what you need. > > > > Alternatively if it is a problem with the new Firefox being installed in a > different directory, you can use the MOZ_LEGACY_PROFILES environment > variable or the LegacyProfiles policy - > https://github.com/mozilla/policy-templates/blob/master/README.md#legacyprofiles > <https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fmozilla%2Fpolicy-templates%2Fblob%2Fmaster%2FREADME.md%23legacyprofiles&data=02%7C01%7CEric.Periard%40cyber.gc.ca%7Cbee018d4817c447e5ae308d81e8e6ea9%7Cda9cbe40ec1e4997afb317d87574571a%7C0%7C0%7C637292944390962015&sdata=FPqaOiMryQgZP%2FdK7zuMm5P6oMiYNwaUV9MoulX6Fhc%3D&reserved=0> > > > > Mike > > > > On Wed, Jul 1, 2020 at 12:04 PM Periard, Eric <[email protected]> > wrote: > > *Classification: UNCLASSIFIED* > > > > Hello, > > > > Here’s an interesting situation: We’ve recently created a USMT Windows > User Profile Backup and Restore package via SCCM and that works fine, > however there’s a catch 22 with firefox…. > > > > Usually I keep a baseline version of the package via the Software Center > and the users can update the browser via the ABOUT menu. > > However if a windows profile is restored to a new system (with AppData) > and then firefox is installed from the Software Center, of course it’s old > and it sees the newer profile as incompatible. > > so far the only solution I got is to go ahead and update the baseline > version of my Firefox package. > > So here’s my questions: > > 1. Is it possible somehow to load a new profile onto an old Firefox? > 2. Is it possible to force Firefox to look for updates as soon as someone > tries to open it? > 3. If 2. is possible, would it fetch the update before prompting the user > to create a new profile? > > Please advise, this seems to be a none-issue with Chrome post-user mig. > > Thanks > > Eric > > _______________________________________________ > Enterprise mailing list > [email protected] > https://mail.mozilla.org/listinfo/enterprise > <https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmail.mozilla.org%2Flistinfo%2Fenterprise&data=02%7C01%7CEric.Periard%40cyber.gc.ca%7Cbee018d4817c447e5ae308d81e8e6ea9%7Cda9cbe40ec1e4997afb317d87574571a%7C0%7C0%7C637292944390972011&sdata=pZN8g8djdaGWQQoxIhRKQlxUJH%2FpuNl34R3mjTRiSPA%3D&reserved=0> > > To unsubscribe from this list, please visit > https://mail.mozilla.org/listinfo/enterprise > <https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmail.mozilla.org%2Flistinfo%2Fenterprise&data=02%7C01%7CEric.Periard%40cyber.gc.ca%7Cbee018d4817c447e5ae308d81e8e6ea9%7Cda9cbe40ec1e4997afb317d87574571a%7C0%7C0%7C637292944390972011&sdata=pZN8g8djdaGWQQoxIhRKQlxUJH%2FpuNl34R3mjTRiSPA%3D&reserved=0> > or send an email to [email protected] with a subject of > "unsubscribe" > > _______________________________________________ > Enterprise mailing list > [email protected] > https://mail.mozilla.org/listinfo/enterprise > <https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmail.mozilla.org%2Flistinfo%2Fenterprise&data=02%7C01%7CEric.Periard%40cyber.gc.ca%7Cbee018d4817c447e5ae308d81e8e6ea9%7Cda9cbe40ec1e4997afb317d87574571a%7C0%7C0%7C637292944390982005&sdata=EYTfrIrOR6Y0YaDvsg1Fu4rMDbq6c10f7vaHjf6LmnY%3D&reserved=0> > > To unsubscribe from this list, please visit > https://mail.mozilla.org/listinfo/enterprise > <https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmail.mozilla.org%2Flistinfo%2Fenterprise&data=02%7C01%7CEric.Periard%40cyber.gc.ca%7Cbee018d4817c447e5ae308d81e8e6ea9%7Cda9cbe40ec1e4997afb317d87574571a%7C0%7C0%7C637292944390982005&sdata=EYTfrIrOR6Y0YaDvsg1Fu4rMDbq6c10f7vaHjf6LmnY%3D&reserved=0> > or send an email to [email protected] with a subject of > "unsubscribe" > >
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