Dynamic client configuration updating policy information

Being able to keep a credential secret is a requirement imposed by the OAuth standard to issue a refresh token.Without this, the mobile app needs the user to re-authenticate every time its access token expired resulting in a very poor User Experience (UX).In this introduction, we will explain when Dynamic Client Registration is useful, what the protocol entails, and a brief overview of how it can be used in Curity.The first case comes up when an i OS, Android, and other kind of native app is installed on a user's device.Most home users who use DSL/Cable routers as DHCP/NAT servers to facilitate multiple host connections to the Internet should turn off dynamic DNS updates.``So what if my host leaks a few packets to the global Internet? '' The reason is that inconsistent configuration between your home hosts and your local DNS servers can, and often does, cause leakage of DNS updates for private IP addresses to the global Internet.

While this service can reduce administrative overhead, it also can, and does, have deleterious effects on the larger Internet by leaking traffic regarding private IP addresses that should never leave the local area network.

In the example shown above, the LDNS is not configured with a local zone for 168.192.

The LDNS thus iteratively sends the SOA request, starting with a root DNS server, and eventually returns the server (step 8).

You do not need to disable dynamic DNS updates if: However, if you have configured your host to act as a DHCP client/server and you make use of the private IP address space (including,, and specified in RFC1918, you should turn off the dynamic DNS update feature.

Only if you know with certainty that the updates get sent only to a local DNS server should you run the Dynamic DNS Updates service.

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