What does Unblocker or proxy mean on Netflix?

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Tags

1. #through
2. #wrong
3. #whenever
4. #video
5. #trying
6. #often
7. #unblocker
8. #stream
9. #streaming
10. #using
11. #error
12. #whoops
13. #netflix
14. #something
15. #detects
16. #displays
17. #accompanied
18. #message
19. #occurs
20. #player
21. #proxy
22. #server
23. #m7111