Mobile device management profile distribution

1. A method performed by data processing apparatus, the method comprising:

receiving a first request for access to a first network resource from a client device, the first network resource corresponding to one of a plurality of restricted resources accessible only by devices enrolled with a mobile device management system;

determining whether the first request to access the first resource includes an address of a predetermined proxy server;

determining that the first request to access the first resource does not include the address of the predetermined proxy server;

determining that the client device is not enrolled with the mobile device management system based on determining that the first request to access the first resource does not include the address of the predetermined proxy server;

preventing, based on determining that the client device is not enrolled with the mobile device management system, the client device access to the first network resource;

providing to the client device, based on determining that the client device is not enrolled with the mobile device management system, a redirect to a mobile device management resource that is different from the first network resource;

providing instructions for presentation of a user interface to the client device, the provided instructions relating to the mobile device management resource and comprising a user notification regarding a mobile device management profile;

enrolling the client device with the mobile device management system, the enrolling comprising providing a copy of the mobile device management profile to the client device;

receiving a second request for access to a second network resource from the client device, the second network resource corresponding to one of the plurality of restricted resource;

allowing the client device access to the second network resource based on determining that the client device is enrolled with the mobile device management system;

determining whether the mobile device management profile has been deactivated on the client device; and

un-enrolling the client device from the mobile device management system based on determining that the mobile device management profile has been deactivated on the client device, the un-enrolling preventing the client device from accessing the plurality of restricted resources.

2. The method of claim 1 , wherein the second request is received prior to the first request and the second network resource corresponds to one of a plurality of unrestricted resources accessible by devices not enrolled with the mobile device management system; the method further comprising:

allowing the client device access to the second network resource.

3. The method of claim 1 , wherein the plurality of restricted resources comprises resources managed by an organization that uses the mobile device management system.

4. The method of claim 1 , wherein the plurality of restricted resources comprises public network resources.

5. The method of claim 1 , wherein determining that the client device is not enrolled with the mobile device management system comprises:

determining whether a heartbeat signal has been received within a predetermined period of time; and

determining that the client device is not enrolled with the mobile device management system based on determining that the heartbeat signal has not been received within the predetermined period of time.

6. The method of claim 1 , wherein determining that the client device is not enrolled with the mobile device management system comprises:

determining whether the client device is connected to a non-compliant network, the non-compliant network providing access to the plurality of unrestricted resources and not providing access to any of the plurality of restricted resources; and

determining that the client device is not enrolled with the mobile device management system based on determining that the client device is connected to a non-compliant network.

7. The method of claim 1 , wherein determining that the client device is not enrolled with the mobile device management system comprises:

determining whether a device identifier associated with the client device is categorized as being enrolled with the mobile device management system; and

determining that the client device is not enrolled with the mobile device management system based on determining that the device identifier associated with the client device is not categorized as being enrolled with the mobile device management system.

8. The method of claim 1 , wherein:

the instructions comprise instructions for presentation of an agreement to enroll the client device with the mobile device management system; and

enrolling the client device with the mobile device management system comprises receiving input from the client device indicating acceptance of the agreement, wherein the client device is enrolled with the mobile device management system in response to receiving the input from the client device.

9. The method of claim 1 , wherein determining whether the mobile device management profile has been deactivated on the client device comprises determining whether the mobile device management profile has been removed from the client device.

10. A non-transitory computer storage medium encoded with instructions that, when executed by one or more computers, cause the one or more computers to perform operations comprising:

receiving a first request for access to a first network resource from a client device, the first network resource corresponding to one of a plurality of restricted resources accessible only by devices enrolled with a mobile device management system;

determining whether the first request to access the first resource includes an address of a predetermined proxy server;

determining that the first request to access the first resource does not include the address of the predetermined proxy server;

determining that the client device is not enrolled with the mobile device management system based on determining that the first request to access the first resource does not include the address of the predetermined proxy server;

preventing, based on determining that the client device is not enrolled with the mobile device management system, the client device access to the first network resource;

providing to the client device, based on determining that the client device is not enrolled with the mobile device management system, a redirect to a mobile device management resource that is different from the first network resource;

providing instructions for presentation of a user interface to the client device, the provided instructions relating to the mobile device management resource and comprising a user notification regarding a mobile device management profile;

enrolling the client device with the mobile device management system, the enrolling comprising providing a copy of the mobile device management profile to the client device;

receiving a second request for access to a second network resource from the client device, the second network resource corresponding to one of the plurality of restricted resources;

allowing the client device access to the second network resource based on determining that the client device is enrolled with the mobile device management system;

determining whether the mobile device management profile has been deactivated on the client device; and

un-enrolling the client device from the mobile device management system based on determining that the mobile device management profile has been deactivated on the client device, the un-enrolling preventing the client device from accessing the plurality of restricted resources.

11. The computer storage medium of claim 10 , wherein the second request is received prior to the first request and the second network resource corresponds to one of a plurality of unrestricted resources accessible by devices not enrolled with the mobile device management system; the method further comprising:

allowing the client device access to the second network resource.

12. The computer storage medium of claim 10 , wherein the plurality of restricted resources comprises resources managed by an organization that uses the mobile device management system.

13. The computer storage medium of claim 10 , wherein the plurality of restricted resources comprises public network resources.

14. The computer storage medium of claim 10 , wherein determining that the client device is not enrolled with the mobile device management system comprises:

determining whether a heartbeat signal has been received within a predetermined period of time; and

determining that the client device is not enrolled with the mobile device management system based on determining that the heartbeat signal has not been received within the predetermined period of time.

15. The computer storage medium of claim 10 , wherein determining that the client device is not enrolled with the mobile device management system comprises:

determining whether the client device is connected to a non-compliant network, the non-compliant network providing access to the plurality of unrestricted resources and not providing access to any of the plurality of restricted resources; and

determining that the client device is not enrolled with the mobile device management system based on determining that the client device is connected to a non-compliant network.

16. The computer storage medium of claim 10 , wherein determining that the client device is not enrolled with the mobile device management system comprises:

determining whether a device identifier associated with the client device is categorized as being enrolled with the mobile device management system; and

determining that the client device is not enrolled with the mobile device management system based on determining that the device identifier associated with the client device is not categorized as being enrolled with the mobile device management system.

17. The computer storage medium of claim 10 , wherein:

the instructions comprise instructions for presentation of an agreement to enroll the client device with the mobile device management system; and

enrolling the client device with the mobile device management system comprises receiving input from the client device indicating acceptance of the agreement, wherein the client device is enrolled with the mobile device management system in response to receiving the input from the client device.

18. The computer storage medium of claim 10 , wherein determining whether the mobile device management profile has been deactivated on the client device comprises determining whether the mobile device management profile has been removed from the client device.

19. A system comprising:

one or more computers and one or more storage devices storing instructions that are operable, when executed by the one or more computers, to cause the one or more computers to perform operations comprising:

receiving a first request for access to a first network resource from a client device, the first network resource corresponding to one of a plurality of restricted resources accessible only by devices enrolled with a mobile device management system;

determining whether the first request to access the first resource includes an address of a predetermined proxy server;

determining that the first request to access the first resource does not include the address of the predetermined proxy server;

determining that the client device is not enrolled with the mobile device management system based on determining that the first request to access the first resource does not include the address of the predetermined proxy server;

preventing, based on determining that the client device is not enrolled with the mobile device management system, the client device access to the first network resource;

providing to the client device, based on determining that the client device is not enrolled with the mobile device management system, a redirect to a mobile device management resource that is different from the first network resource;

providing instructions for presentation of a user interface to the client device, the provided instructions relating to the mobile device management resource and comprising a user notification regarding a mobile device management profile;

enrolling the client device with the mobile device management system, the enrolling comprising providing a copy of the mobile device management profile to the client device;

receiving a second request for access to a second network resource from the client device, the second network resource corresponding to one of the plurality of restricted resources;

allowing the client device access to the second network resource based on determining that the client device is enrolled with the mobile device management system;

determining whether the mobile device management profile has been deactivated on the client device; and

un-enrolling the client device from the mobile device management system based on determining that the mobile device management profile has been deactivated on the client device, the un-enrolling preventing the client device from accessing the plurality of restricted resources.

20. The system of claim 19 , wherein the second request is received prior to the first request and the second network resource corresponds to one of a plurality of unrestricted resources accessible by devices not enrolled with the mobile device management system; the method further comprising:

allowing the client device access to the second network resource.

21. The system of claim 19 , wherein the plurality of restricted resources comprises resources managed by an organization that uses the mobile device management system.

22. The system of claim 19 , wherein the plurality of restricted resources comprises public network resources.

23. The system of claim 19 , wherein determining that the client device is not enrolled with the mobile device management system comprises:

determining whether a heartbeat signal has been received within a predetermined period of time; and

determining that the client device is not enrolled with the mobile device management system based on determining that the heartbeat signal has not been received within the predetermined period of time.

24. The system of claim 19 , wherein determining that the client device is not enrolled with the mobile device management system comprises:

determining whether the client device is connected to a non-compliant network, the non-compliant network providing access to the plurality of unrestricted resources and not providing access to any of the plurality of restricted resources; and

determining that the client device is not enrolled with the mobile device management system based on determining that the client device is connected to a non-compliant network.

25. The system of claim 19 , wherein determining that the client device is not enrolled with the mobile device management system comprises:

determining whether a device identifier associated with the client device is categorized as being enrolled with the mobile device management system; and

determining that the client device is not enrolled with the mobile device management system based on determining that the device identifier associated with the client device is not categorized as being enrolled with the mobile device management system.

26. The system of claim 19 , wherein:

the instructions comprise instructions for presentation of an agreement to enroll the client device with the mobile device management system; and

enrolling the client device with the mobile device management system comprises receiving input from the client device indicating acceptance of the agreement, wherein the client device is enrolled with the mobile device management system in response to receiving the input from the client device.

27. The system of claim 19 , wherein determining whether the mobile device management profile has been deactivated on the client device comprises determining whether the mobile device management profile has been removed from the client device.