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Workers listening for fetch events?

Posted

I was looking for a list of ad ons that I got in Firefox and I tried to look into DEBUGING to see what it represents and I am shockjed to see so many "owrkers" and most of them are "listening for fetch events" have START button and an UNREGISTER link. What are those? Are they safe? Is it safe to unregister from all or some of these? The only one RUNNING (green) as opposed to STOPPED (grey) is Youtube, which also has PUSH and DEBUG buttons and I got no idea what PUSH functionality is and I never learned i n over 20 years what DEBUG is as once debug opens it seems like an alien world for me or ids it only for advanced computer geeks:

https://www.youtube.com/sw.js

   Fetch
   Not listening for fetch events.
   Scope
   https://www.youtube.com/
   unregister
=======================================================================

Some of the other suspicious "workers":

https://community.spiceworks.com/service-worker.js

   Fetch
   Not listening for fetch events.
   Scope
   https://community.spiceworks.com/
   unregister

Stopped https://countryeconomy.com/10dartsServiceWorker.js

   Fetch
   Not listening for fetch events.
   Scope
   https://countryeconomy.com/
   unregister

Stopped https://gop.com/roost_worker.js

   Push Service
   https://updates.push.services.mozilla.com/wpush/v1/gAAAAABaUleqNPU5w6beXLcKMkONncUICELwGZ_i5-e0t-fLjsMLHSsdlRxXQNxn_6uPayLTxL6kLEV2M8KXRYdNMv2cFWJvQLTx-Nism1zYmLjMYsoPRA_i5soKnCkb0pDH1bV_DN1g
   Fetch
   Not listening for fetch events.
   Scope
   https://gop.com/
   unregister

Stopped https://immobilier.mitula.fr/msw.js

   Fetch
   Listening for fetch events.
   Scope
   https://immobilier.mitula.fr/
   unregister

Stopped https://outlook.live.com/mail/sw.js

   Fetch
   Listening for fetch events.
   Scope
   https://outlook.live.com/mail/
   unregister

Stopped https://outlook.live.com/owa/serviceworkerhandler.ashx

   Fetch
   Listening for fetch events.
I was looking for a list of ad ons that I got in Firefox and I tried to look into DEBUGING to see what it represents and I am shockjed to see so many "owrkers" and most of them are "listening for fetch events" have START button and an UNREGISTER link. What are those? Are they safe? Is it safe to unregister from all or some of these? The only one RUNNING (green) as opposed to STOPPED (grey) is Youtube, which also has PUSH and DEBUG buttons and I got no idea what PUSH functionality is and I never learned i n over 20 years what DEBUG is as once debug opens it seems like an alien world for me or ids it only for advanced computer geeks: https://www.youtube.com/sw.js Fetch Not listening for fetch events. Scope https://www.youtube.com/ unregister =================================================================================== Some of the other suspicious "workers": https://community.spiceworks.com/service-worker.js Fetch Not listening for fetch events. Scope https://community.spiceworks.com/ unregister Stopped https://countryeconomy.com/10dartsServiceWorker.js Fetch Not listening for fetch events. Scope https://countryeconomy.com/ unregister Stopped https://gop.com/roost_worker.js Push Service https://updates.push.services.mozilla.com/wpush/v1/gAAAAABaUleqNPU5w6beXLcKMkONncUICELwGZ_i5-e0t-fLjsMLHSsdlRxXQNxn_6uPayLTxL6kLEV2M8KXRYdNMv2cFWJvQLTx-Nism1zYmLjMYsoPRA_i5soKnCkb0pDH1bV_DN1g Fetch Not listening for fetch events. Scope https://gop.com/ unregister Stopped https://immobilier.mitula.fr/msw.js Fetch Listening for fetch events. Scope https://immobilier.mitula.fr/ unregister Stopped https://outlook.live.com/mail/sw.js Fetch Listening for fetch events. Scope https://outlook.live.com/mail/ unregister Stopped https://outlook.live.com/owa/serviceworkerhandler.ashx Fetch Listening for fetch events.

Chosen solution

See:

You can check what websites you have allowed to send you messages via the Push API.

  • Options/Preferences -> Privacy & Security -> Permissions -> Notifications

See also about:networking#websockets

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Additional System Details

Installed Plug-ins

  • Shockwave Flash 29.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0

More Information

cor-el
  • Top 10 Contributor
  • Moderator
17580 solutions 159069 answers

Chosen Solution

See:

You can check what websites you have allowed to send you messages via the Push API.

  • Options/Preferences -> Privacy & Security -> Permissions -> Notifications

See also about:networking#websockets

See: *https://support.mozilla.org/en-US/kb/push-notifications-firefox You can check what websites you have allowed to send you messages via the Push API. *Options/Preferences -> Privacy & Security -> Permissions -> Notifications See also about:networking#websockets