Users going through Cloud SWG (formerly known as WSS) get the following error when attempting to access a website:
"Network Error" and "tcp_error"
The error could be returned when routing through all Cloud SWG pods or only one (1) Cloud SWG pod.
A report from the Cloud SWG Portal could potentially show "Error 503"
in the status:
Network Error
A communication error occurred:
"Operation timed out".
The web server may be down, too busy, or experiencing other problems preventing it from responding to requests.
Tech support information: tcp_error
The problem is caused by that specific website blocking the Cloud SWG data-center Egress IPs:
See Cloud SWG ingress and egress IP addresses
To resolve this, either: