Redirect / restrict access

Setup:

Typo3 4.7.7
usergroup that we want to redirect to another page: 6.
pageID for target: 100.

Setup.TS


[usergroup=6]
 config >
 config.additionalHeaders = Location: /index.php?id=100
 page >
 page = PAGE
 page.10 = TEXT
 page.10.value=No Access!
[global]