Forum Discussion
Brian_Brehart
Altostratus
AltostratusCompression stripped by Silverline
We've recently experienced slowdowns serving web pages, and here's something we've found: Apparently, when traffic passes through the WAF, the WAF strips out the following line: Content-Encoding: gz...
Aaronb
Employee
EmployeeF5 Silverline inserts a Via header in all HTTP requests sent to back-end web servers.
- However, some web servers do not compress data if a request contains a "Via" header.
- This can lead to longer load times for clients as well as increased bandwidth usage.
Please consult your server documentation for details.
IIS server:
https://docs.microsoft.com/en-us/iis/troubleshoot/performance-issues/troubleshooting-iis-compression-issues-in-iis6-iis7x
appcmd set config -section:system.webServer/httpCompression /noCompressionForHttp10:"False" /noCompressionForProxies:"False" /commit:apphost
NGINX
https://nginx.org/en/docs/http/ngx_http_gzip_module.html#gzip_proxied
Syntax: gzip_proxied off | expired | no-cache | no-store | private | no_last_modified | no_etag |auth | any ...;
Default:
gzip_proxied off;
Context: http, server, location
