PureVPN support both Redhat and Debian. We have listed down some of the iOS flavor please setup according to your device.
Follow this 👉link for IPsec on iOS
Follow this 👉link for L2TP on iPad
Follow this 👉link for L2TP on iPhone
Follow this 👉link for IkEv2 on iOS
Follow this 👉link for OpenVPN on iPhone
Follow this 👉link for configure DDOS IP on iOS