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 An i386-compatible Linux distribution is required, along with Sun Java 1.6.010+.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. Check your OS Version, NetExtender only supports Win2000 or above, Mac OS X 10.5 or above with Apple Java 1.6.010 or above, and Linux OpenSUSE in addition to Fedora Core and Ubuntu. Zyxel security appliances will push VPN client and launch auto-installation while user logs in web-based authentication portal. For Windows users, SecuExtender is free from pre-installation of a fat VPN client. SecuExtender, the Zyxel SSL VPN technology, works on both Windows and Mac operating systems. Are you running the most current version, and is that version compatible with El Capitan? Netextender Download Netextender Windows 10 Download Working That could be part of the problem, should this program not be what I think it sounds like.

One thing I can say is that before you upgrade your operating system, you should always make sure that all of your applications, plug-ins, drivers, extensions, etc., are compatible with what you're upgrading to. Having never heard of NetExtender before, I can only go on how you've described it in your post, and I have to say, Macs don't need third-party programs to perform 'maintenance' on them. Netextender Windows 10 Download Working.

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