ocserv: iOS Anyconnect unexpected POST URL /VPN?

[sskaje]

I tried both haproxy + ocserv and ocserv, same error.
Anyone else met this?

iOS 9.1, AnyConnect 3.0.12169


debug log:

ocserv[22505]: worker: 1.1.1.1 HTTP processing: User-Agent: AnyConnect
AppleSSLVPN_Darwin_ARM (iPhone) 3.0.12169
ocserv[22505]: worker: 1.1.1.1 User-agent: 'AnyConnect
AppleSSLVPN_Darwin_ARM (iPhone) 3.0.'
ocserv[22505]: worker: 1.1.1.1 HTTP processing: Host: xxxxxxx:443
ocserv[22505]: worker: 1.1.1.1 HTTP processing: Accept: */*
ocserv[22505]: worker: 1.1.1.1 HTTP processing: Accept-Encoding: identity
ocserv[22505]: worker: 1.1.1.1 HTTP processing: X-Transcend-Version: 1
ocserv[22505]: worker: 1.1.1.1 HTTP processing: X-Transcend-Version: 1
ocserv[22505]: worker: 1.1.1.1 HTTP processing:
X-AnyConnect-Identifier-ClientVersion: 3.0.12169
ocserv[22505]: worker: 1.1.1.1 HTTP processing:
X-AnyConnect-Identifier-Platform: apple-ios
ocserv[22505]: worker: 1.1.1.1 HTTP processing:
X-AnyConnect-Identifier-PlatformVersion: 9.1
ocserv[22505]: worker: 1.1.1.1 HTTP processing:
X-AnyConnect-Identifier-DeviceType: iPhone6,2
ocserv[22505]: worker: 1.1.1.1 HTTP processing:
X-AnyConnect-Identifier-Device-UniqueID: xxxxxxxx
ocserv[22505]: worker: 1.1.1.1 HTTP processing: X-Aggregate-Auth: 1
ocserv[22505]: worker: 1.1.1.1 HTTP processing: Connection: close
ocserv[22505]: worker: 1.1.1.1 HTTP processing: Content-Length: 433
ocserv[22505]: worker: 1.1.1.1 HTTP processing: Content-Type:
application/x-www-form-urlencoded
ocserv[22505]: worker: 1.1.1.1 HTTP POST /VPN
ocserv[22505]: worker: 1.1.1.1 unexpected POST URL /VPN


sskaje at gmail.com
https://sskaje.me/