The MK Protocol Security Restriction policy setting reduces attack surface area by preventing the MK protocol. Resources hosted on the MK protocol will fail.
If you enable this policy setting, the MK Protocol is disabled for all processes. Any use of the MK Protocol is blocked.
If you disable or do not configure this policy setting, the MK Protocol is enabled.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_MK_PROTOCOL |
| Value Name | * |
| Value Type | REG_SZ |
| Enabled Value | 1 |
| Disabled Value | 0 |