How does Firefox know my ISP login page?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Hypnotic Orient Looping

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Chapters
00:00 How Does Firefox Know My Isp Login Page?
00:36 Accepted Answer Score 163
05:09 Answer 2 Score 57
05:35 Answer 3 Score 29
07:26 Thank you

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Full question
https://superuser.com/questions/1489435/...

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Tags
#firefox

#avk47