What does error 502 mean?
What does error 502 mean? The HyperText Transfer Protocol (HTTP) 502 Bad Gateway server error response code indicates that the server, while acting as a gateway or proxy, received an invalid response from the upstream server. What is TMG server used for? Security features: Microsoft Forefront TMG is a firewall which can inspect network traffic (including web content, secure web content and emails) and filter out malware, attempts to exploit security vulnerabilities and content that does not match a predefined security policy. How do I get rid of 502 bad gateway? Troubleshoot a 502 error messageRefresh the page. Start a...