Dynamic-VPN connections from Pulse Secure clients fail to establish HTTP connections to SRX devices

SRX-Branch devices running Junos versions 12.1X44-D55, 12.1X46-D40, 12.1X47-D30, or 12.3X48-D20  fail to establish the initial HTTP communications from Pulse Secure clients resulting in failed VPN connections.

During failed connections the Pulse Secure client will display the following connection failures:
    

During failed connections, SRX devices will log a failure in /var/log/httpd.log with the following message.

httpd: 2: Error: "Not Found", code 404 for URI "/junos-auth/", file "/html/junos-auth": Can't open document: /html/junos-auth.
httpd: 2: redirectCallback /junos-auth/
httpd: 2: GET /servererror.php?code=404 HTTP/1.1



This issue is being tracked by PR 1135780.

Solution:
Junos maintenance releases with correction:

• Junos 12.1X44-D60
• Junos 12.1X46-D45
• Junos 12.1X47-D35
• Junos 12.3X48-D25