HTTPS requests which match policy to disable protocol detection through a ProxySG running SGOS 6.5.9.14 through 6.5.10.3 may fail or be delayed for 30 seconds.
The following requirements must be present to experience this issue:
The issue will not occur if any of the following is true:
The impacted SGOS versions contain an issue in how protocol detection is processed. Bug 248876 tracks this issue.
The fix for bug 248876 is available in SGOS release 6.5.10.4 (released on June 29, 2017).
The following work around to this issue is available if the proxy cannot be upgraded: