User-Agent:       Mozilla/5.0 (X11; Linux x86_64; rv:33.0) Gecko/20100101
Firefox/33.0
Build Identifier: 

can't connect to cisco vpn, works just fine with 13.1 and 12.3

here is connect log:
POST https://vpn1.corp.com/
Attempting to connect to server AAA.BBB.CCC.DDD:443
Using certificate file /home/myname/.vpn/vpn-certificate.pfx
Using client certificate 'My Name'
Adding supporting CA 'AD-CA01-CA'
SSL negotiation with vpn1.corp.com
Connected to HTTPS on vpn1.corp.com
Got HTTP response: HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Cache-Control: no-cache
Pragma: no-cache
Connection: Keep-Alive
Date: Mon, 08 Dec 2014 08:08:50 GMT
X-Aggregate-Auth: 1
HTTP body chunked (-2)
POST https://vpn1.corp.com/
SSL negotiation with vpn1.corp.com
Connected to HTTPS on vpn1.corp.com
Got HTTP response: HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Cache-Control: no-cache
Pragma: no-cache
Connection: Keep-Alive
Date: Mon, 08 Dec 2014 08:08:50 GMT
X-Aggregate-Auth: 1
HTTP body chunked (-2)
XML POST enabled
POST https://vpn1.corp.com/
Got HTTP response: HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Cache-Control: no-cache
Pragma: no-cache
Connection: Keep-Alive
Date: Mon, 08 Dec 2014 08:08:53 GMT
X-Aggregate-Auth: 1
HTTP body chunked (-2)
XML response has no "auth" node

Reproducible: Always

Actual Results:  
not connects to vpn

Expected Results:  
connect to vpn