There are multiple methods to configure or disable SIP like booting to the Recovery Drive, NetBoot, or the OS X Installer when upgrading your computer to OS X El Capitan. We decided to temporarily turn SIP off on all of our computers until we migrate over completely to JAMF’s Casper Suite. SIP breaks our current management system and we needed to deploy “El Capitan” for our computer rollout. This is a great feature in OS X “El Capitan” that adds additional system protection, but in our environment it restricts area’s of the file system that we manage with radmind, which runs as a tripwire to catch any suspicious files and replace them. System Integrity Protection restricts file modifications to specific locations it conflicts with our our current management system. System/Library/Sandbox/Compatibility.bundle/Contents/Resources/pathsĪny changes to these exception files will be overwritten by Apple. There is an additional file like the nf file but for 3rd party applications located in: You can see what files are protected by using the ls -alO command. When you look at the output in the metadata it will say that the file is restricted. The rootless configuration, nf contains the list of all the files that the system prevents from being modified. Limits setting & modification of NVRAM variables.Command line startup disk selection commands like Bless.Runtime protection with special system entitlements.Kernel extensions must be signed with Developer ID.Restricts file system modifications to some directories.To protect the integrity of OS X, Apple added SIP to 10.11 “El Capitan” to increase security by limiting the root user’s power, requiring siging, special system entitlements, etc. Radmind operates as a tripwire with the ability to detect any modifications to the file system and reverse those changes to a known state. SIP protects file system locations that we are managing with our current client management system called Radmind. System Integrity Protection or “SIP” is a new security measure implemented in 10.11 “El Capitan”. SIP protects access to system locations and restricting runtime attachment to system processes, this security policy guards against compromise - whether accidental or by malicious code.
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