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Updated Per site switches (markdown)

Raymond Hill 2017-10-19 09:56:53 -04:00
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Per-site-switches.md

@ -101,29 +101,3 @@ Because of security and privacy concerns, many prefer to block all web fonts by
no-remote-fonts: * true
This will block all web fonts everywhere by default, and in this case you can toggle off the switch to allow web fonts on a per-site basis.
***
## No CSP reports
You can block network requests made as a result of your browser reporting Content Security Policy violations ("CSP reports") to a remote server (which can be 3rd-party to the site where the violation occurred).
Consider this excerpt from [Reporting API / Privacy Considerations](http://wicg.github.io/reporting/#privacy) (my emphasis):
> 8.6. Disabling Reporting
>
> [...]
>
> That said, it can’t be the case that this general benefit be allowed to take priority over the ability of a user to individually opt-out of such a system. Sending reports costs bandwidth, and potentially could reveal some small amount of additional information above and beyond what a website can obtain in-band ([NETWORK-ERROR-LOGGING], for instance). **User agents MUST allow users to disable reporting with some reasonable amount of granularity in order to maintain the priority of constituencies espoused in [HTML-DESIGN-PRINCIPLES].**
There is currently no way to easily toggle CSP reporting in either Chromium of Firefox. This per-site switch is to address this shortcoming.
Note that this switch is not currently available in the popup panel. However it is available as a global setting in the _Settings_ pane in uBO's dashboard, so that you can easily disable/enable CSP reporting globally.
**Important:** disabling CSP reporting is not something which will break web pages, the purpose of CSP reporting is strictly a development tool for a remote server.
More advanced users can use the usual per-site switch syntax to more narrowly control the enabling/disabling of CSP report-related network requests:
no-csp-reports: example.com false
Note that as opposed to all other network requests, behind-the-scene network requests which are actual CSP reports will also be filtered out according to `no-csp-reports` switch. So if you globally disable CSP reporting in uBO, this will also apply to behind-the-scene network requests.