Increased number of TCP errors after upgrade

Products

• ISG Proxy
• ProxySG Software - SGOS

Issue/Introduction

Edge SWG working in reverse proxy mode reports increased number of TCP errors.

"tcp_error" can be observed in:

• access log
• http debug
• policy trace:
  

  verdict: EXCEPTION(tcp_error): Request could not be handled

  
  
  

Environment

• Edge SWG in reverse proxy mode
• Version 7.26.1 or 7.26.2

Cause

SG-42472

Resolution

Issue is fixed in version 7.3.27.1