docs: Document push notification redacting setting.

This commit is contained in:
Tim Abbott
2017-10-19 18:15:48 -07:00
parent 841f02934d
commit b33d80707c

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@@ -75,8 +75,8 @@ forwarding service).
## Security and privacy implications
We've designed this push notification bouncer service with security in
mind:
We've designed this push notification bouncer service with security
and privacy in mind:
* All of the network requests (both from Zulip servers to the Push
Notification Service and from the Push Notification Service to the
@@ -85,10 +85,17 @@ mind:
* The code for the push notification forwarding service is 100% open
source and available as part of the
[Zulip server project on GitHub](https://github.com/zulip/zulip).
The service's logging is designed to protect the privacy of users of
Zulip servers that are using the forwarding service.
The Push Notification Service is designed to avoid any message
content being stored or logged, even in error cases.
* The push notification forwarding servers are professionally managed
by a small team.
by a small team of security experts.
* There's a `PUSH_NOTIFICATION_REDACT_CONTENT` setting available to
disable any message content being sent via the push notification
bouncer (i.e. message content will be replaced with
`***REDACTED***`). Note that this setting makes push notifications
significantly less usable. We plan to
[replace this feature with end-to-end encryption](https://github.com/zulip/zulip/issues/6954)
which would eliminate that usability tradeoff.
If you have any questions about the security model, contact
support@zulipchat.com.