Anyconnect Client on Windows10 pro is not working via proxy server.
He said, "Connection attempt has failed." *See [Anyconnect connection Log] section.
But it works on Windows7/8.1.
I tried to capture network traffic using Wireshark.
I saw [400 Bad Request] but did not see any HTTP method such as GET,POST,CONNECT etc. before that error.
Then, I checked squid access.log, he said "NONE error:invalid-request HTTP/0.0". * See [Squid Access.log] section.
Of course, I can connect normally when direct access to ASA.
Anyone know this strange issues?
[Our Environment]
Windows10 Pro Anniversary Update
Anyconnect 4.3.02039
Our proxy server software is squid/3.1.10.
[Anyconnect connection Log]
C:\Program Files (x86)\Cisco\Cisco AnyConnect Secure Mobility Client>vpncli.exe connect xx.xxxxx.com
Cisco AnyConnect Secure Mobility Client (version 4.3.02039) .
Copyright (c) 2004 - 2016 Cisco Systems, Inc. All Rights Reserved.
>> state: Disconnected
>> state: Disconnected
>> notice: Ready to connect.
>> registered with local VPN subsystem.
>> contacting host (xx.xxxxx.com) for login information...
>> notice: Contacting xx.xxxxx.com.
>> warning: Connection attempt has failed.
>> warning: Connection attempt has failed.
>> warning: Connection attempt has failed.
>> warning: Connection attempt has failed.
>> warning: Connection attempt has failed.
>> warning: No valid certificates available for authentication.
>> warning: Connection attempt has failed.
>> error: Connection attempt failed. Please try again.
>> state: Disconnected
[Squid Access.log]
172.16.6.55 - - [05/Oct/2016:16:01:20 +0900] "NONE error:invalid-request HTTP/0.0" 400 3670 NONE:NONE
172.16.6.55 - - [05/Oct/2016:16:01:20 +0900] "NONE error:invalid-request HTTP/0.0" 400 3670 NONE:NONE
172.16.6.55 - - [05/Oct/2016:16:01:20 +0900] "NONE error:invalid-request HTTP/0.0" 400 3670 NONE:NONE
