Symantec Endpoint Protection's (SEP) Local Proxy Service (LPS) for Web Traffic Redirection (WTR) fails to parse web requests that do not include a white space in the HTTP ACCEPT header.
The LPS fails to parse the HTTP ACCEPT header when white space characters are missing.
This issue is resolved in WTR Engine update 1.1.0.324. Run LiveUpdate to download and install the latest WTR Engine update.