Absolutely. The only IPsec software I’ve seen that will not make you run away gibbering in terror as if you’ve seen Chtulu is OpenBSD’s OpenIKEd, and while you

Absolutely. The only IPsec software I’ve seen that will not make you run away gibbering in terror as if you’ve seen Chtulu is OpenBSD’s OpenIKEd, and while you can use it to make an IPsec VPN server for Apple iDevices without having to install third-party software, it doesn’t play nice with other IPsec software because of the lack of mandated ciphers.