Does Cloudflare compress resources?
Yes, Cloudflare applies gzip and brotli compression to some types of content. We also gzip items based on the browser's useragent to help speed up page...
Wed, 15 May, 2019 at 8:27 AM
Why are Railgun requests showing as Stream?
The presence of stream in place of a compression ratio indicates that the response from the origin was greater than the value set in the stream.size paramet...
Wed, 15 May, 2019 at 8:41 AM
Using Railgun with Origin CA Certificates
While using Railgun and configuring Origin CA certificates, please note that additional steps are needed to avoid service impact for HTTPS requests being se...
Wed, 15 May, 2019 at 8:43 AM
Why are Railgun Requests Showing as Direct?
If Cf-Railgun header contains the status direct (and sometimes be followed by a field description), this indicates that Railgun Listener did not handle the ...
Wed, 15 May, 2019 at 8:46 AM
Increase Logging for Railgun
When troubleshooting or testing the Railgun Listener, it may be necessary to raise the level of verbosity to capture more log data for debugging.  In or...
Wed, 15 May, 2019 at 8:56 AM
527 Railgun Listener to Origin Error
For requests being optimized by Railgun, any interruption or failure in the WAN connection from Railgun's sender at Cloudflare's edge and the Rai...
Wed, 15 May, 2019 at 9:08 AM
Enabling Railgun Stats
Enabling railgun stats will record global statistics for the Railgun listener and setup a listening endpoint for HTTP connections. To enable statistics rep...
Wed, 15 May, 2019 at 9:12 AM
Reading and Interpreting the 'Cf-Railgun' Header
When Railgun is active on a website, it is important to reference the Cf-Railgun response header when confirming Railgun is working properly and/or troubles...
Wed, 15 May, 2019 at 9:14 AM
How do I enable Railgun?
Directions for enabling Railgun on a Business plan or higher can be found here. Railgun is available to Business customers as well as through our Opti...
Wed, 15 May, 2019 at 9:15 AM
Can I use Railgun with an Amazon EC2 setup?
Customers that are on a Business or Enterprise plan can get Railgun from the AWS Marketplace. 
Wed, 15 May, 2019 at 9:15 AM