Indeed, you don’t want your audience to feel bored when you present your ideas. What you need now is a way to present this content in a way that leaves your audience impressed. But the same steps could be followed for any other command that’s been restricted because of this new feature.Are you staring at that blank PowerPoint slide? Unable to decide which PowerPoint slide design is the best to make your presentation pop? The longer you look at that computer screen, the harder it seems to get PowerPoint design ideas, not easier. SIP enabling/disabling might be needed for a lot of other reasons, however, I needed it today to install NetExtender. Restart Mac again in recovery mode and run command ‘csrutil enable’.Try connecting to VPN and confirm it works this time. Restart Mac again and run the command ‘sudo chmod u+s /usr/sbin/pppd’ and then install NetExtender again.Go to Utilities menu and open Terminal and type in the command ‘csrutil disable’.Restart your Mac in recovery mode (hold CMD+R during restart).Here is MacWorld’s article on how to do it. So, in order to fix the issue at hand, the System Integrity Protection (SIP) must be disabled first, then NetExtender must be installed and SIP must then be enabled back again. System Integrity Protection restricts the root account and limits the actions that the root user can perform on protected parts of OS X. Software gained root-level access when you entered your administrator name and password to install it and could then modify or overwrite any system file or application. In OS X, the “root” user account previously had no permission restrictions and could access any system folder or application on your Mac. System Integrity Protection is a security technology in OS X El Capitan that’s designed to help prevent potentially malicious software from modifying protected files and folders on your Mac. If you then try to do as the logs say, you won’t be able to do it.Ĭhmod: Unable to change file mode on /usr/sbin/pppd: Operation not permittedĪpparently, there is a new feature called ‘ System Integrity Protection‘ in OSX El Capitan, which restricts the root account to do perform certain actions.

13:09:35.094 SSL VPN connection is terminated. 13:09:34.308 Please delete and reinstall NetExtender, or run ‘chmod u+s /usr/sbin/pppd’ as an administrator. 13:09:34.308 ERROR: Pppd is not setuid-root and the invoking user is not root.

13:09:34.301 Using new PPP frame encoding mechanism If you are trying to install Dell SonicWALL NetExtender (it’s a VPN client) on OSX El Capitan, you might run into a situation where it won’t connect to the VPN server and you might see this in the logs.

Sonicwall netextender for mac