All Questions
Tagged with reverse-proxy cache
100
questions
0
votes
0
answers
40
views
How to configure Envoy as a caching forward proxy with HTTP CONNECT support
Does anyone know if there's a way to configure Envoy as a caching forward proxy?
I've been trying to come to a config that would do that by following the samples and documentation for:
...
- 1
0
votes
0
answers
46
views
reverse proxy shall act as a cache and provide a website under a different domain
Assume a webserver providing a language version of a website accessable under the URL
http://www.website-a.com/zh-hans/some-otherstuff/index.php
I want to setup a reverse proxy for one language ...
0
votes
1
answer
318
views
Share cache between multiple location blocks
Considering a nginx server with the following two locations which each serve a webapp, including some static resources and a REST API. Is there a way to cache the common resources, e.g. /proxy/host1/...
- 197
0
votes
1
answer
333
views
NGINX Reverse Proxy And Cache MS Graph API
I'm building a web based company directory which has roughly 450 employees. The data source being used is the Microsoft Graph API (Azure AD). This API requires you to make a request for every employee ...
- 113
1
vote
1
answer
3k
views
How can I know the name of the cache file created by NGINX?
Suppose I make a request, https://example.com/path1/2?v=1, and have enabled the proxy caching. How do I know the name of the cache file created by NGINX? The problem is, I want to delete the cache for ...
- 159
0
votes
1
answer
488
views
Forwarding request when serving from NGINX cache - Is this possible?
I have enabled caching with Nginx. I followed the official docs and it works fine. What happens is, when the request comes in for the first time, it is proxy passed to a server. The response is cached....
- 159
3
votes
1
answer
7k
views
NGINX - Caching not working - Always MISS
I'm currently working on enabling caching on a NGINX (Reverse Proxy).
With this configuration, the value of X-Proxy-Cache is always MISS.
My current conf (in /etc/nginx/conf.d) :
proxy_cache_path /...
- 73
2
votes
1
answer
3k
views
Is it safe to use proxy_ignore_headers Vary?
I use a Nginx server that acts like a cache/reverse proxy for my Apache origin server.
I was strugling to debug high rate of cache MISS when I found that it is because the response header Vary: ...
- 1,169
0
votes
1
answer
4k
views
Alter Nginx reverse proxy cache header from Public to Private
I have an Nginx cache server getting content from an origin server, the origin server sets Cache-Control to Public so my Nginx cache server can cache the content and make less requests to origin. But ...
- 1,169
1
vote
1
answer
1k
views
set correct request host to avoid this infinite loop in nginx
I configured this nginx server for example.com and www.example.com to be a cache/reverse proxy, taking data from mysource.example.com
It seems to work ok in browser, but I noticed significant google ...
- 1,169
0
votes
1
answer
2k
views
nginx mixing cached content between my different domains
I don't know if this is a bug or I am defining cache incorrectly, I have a nginx cache (reverse proxy) server that is used by 2 different domains (mydomain1.com and mydomain2.com), different content, ...
- 1,169
1
vote
0
answers
119
views
Nginx reverse proxy ignores cache headers
I'm using nginx as a load balancer. here is the simplified version of my nginx config file.
upstream myUpstream {
server server1.com;
server server2.com;
}
server{
location / {
...
- 111
3
votes
1
answer
2k
views
NGINX max_size and keys_zone, could not allocate node in cache keys zone
We have a very dynamic and high-traffic application and are using NGINX caching with dynamic URLS. We want to cache these URLs for repeated requests.
We have run into an issue a couple times while ...
- 715
3
votes
0
answers
276
views
Don't cache small responses with nginx
I am using nginx for reverse proxy with caching. And I have a backend that sometimes returns 200 HTTP code for failed requests, with just an empty set for a body. I'd like to configure nginx in a way ...
- 948
0
votes
1
answer
778
views
Apache2 reverse proxy with response caching
I'm using Apache as a reverse proxy for an application running on a local port. I want to cache responses from this application in memory. So requesting the same URL frequently should give me cached ...
- 204
1
vote
1
answer
5k
views
Multipart ranges in Nginx reverse proxy
I am trying to setup Nginx as a reverse proxy. The upstream server is serving some media files.
Because of the large amount of requests for these files and also since these files are not going to ...
5
votes
3
answers
2k
views
NGINX Not Serving "Fast" Stale Content with proxy_cache_background_update
We are running NGINX in front of our backend server.
We are attempting to enable the proxy_cache_background_update feature to allow NGINX to async updates to the cache and serve STALE content while ...
- 201
3
votes
1
answer
2k
views
Nginx $upsteam_cache_status custom header will not appear
I am trying to debug the nginx proxy cache and to do so I need to see the $upstream_cache_status value. My config is as follows:
http {
...
proxy_cache_path /tmp/cache_nginx levels=1:2 ...
- 253
0
votes
1
answer
3k
views
Nginx - disable POST data caching
I noticed that when someone sends big file to Apache website proxied by Nginx, disk usage on Nginx machine goes up. It's especially noticeable when someone uploads file that is big comparing to disk ...
- 363
0
votes
1
answer
2k
views
Can NGINX "proxy_cache_valid" be relative to Last-Modified instead of time received?
I've been beating my head against the wall trying to get live DASH and HLS video streams to be cached correctly by an NGINX caching HTTPS reverse-proxy server.
My current thinking is that my main ...
- 129
1
vote
1
answer
3k
views
How to run multiple NGINX instances for servers to be developed together but deployed separately
I'm an NGINX beginner who is building both an adaptive live video server (HLS & DASH) and a caching HTTPS reverse proxy server.
While the servers will be deployed to separate boxes, I'd like to ...
- 129
2
votes
0
answers
2k
views
Can't get nginx caching to works over https reverse proxy
As title, i can't get nginx caching to works on mine reverse proxy.
Here is mine nginx's server block configuration:
proxy_cache_path /opt/cache/nginx/cache2.xxx.net levels=1:2 keys_zone=test_zone:...
- 21
4
votes
2
answers
27k
views
NGINX proxy default cache time with Cache-Control and no expiration
I have caching enabled on an NGINX proxy.
As I understand it, as long as I'm not ignoring the Cache-Control header in my proxy configuration (proxy_ignore_headers), the cache time before expiration ...
- 715
2
votes
2
answers
1k
views
Deleting key in Nginx cache and Backend database in the same request
I am using the open source Nginx as the web server with Proxy_cache.
I have a unique usecase of deleting the key in cache as well as pass the request to the backend servers to delete the key in DB ...
- 31
9
votes
3
answers
22k
views
Debugging Nginx Cache Misses: Hitting high number of MISS despite high proxy valid
My proxy cache path is set to a very high size
proxy_cache_path /var/lib/nginx/cache levels=1:2 keys_zone=staticfilecache:180m max_size=700m;
and the size used is only
sudo du -sh *
14M cache
...
- 4,443
1
vote
0
answers
369
views
Forcing serving stale content with Nginx
I already have a Nginx server configured as caching reverse proxy. I need to configure it so that:
it serves stale content disregarding any HTTP headers it received from the origin server (cache-...
- 250
0
votes
1
answer
5k
views
How can I force to cache requests that have "Cache-Control: no-cache" in nginx when using a reverse proxy and it responds with 404?
The upstream server is sending a 404 with a header of Cache-Control: no-cache.
Due to this, nginx is not caching the request. How can I force it to cache the request?
This caching is only required ...
- 1,908
2
votes
3
answers
6k
views
Nginx as reverse proxy not caching
I'm trying to configure Nginx as a caching reverse proxy. The origin server is Apache and it hosts a WordPress instance, if that matters.
The reverse proxy functionality is working as expected, but ...
- 250
2
votes
1
answer
4k
views
Nginx automatically deletes cache which is set to be valid longer?
I set up a Nginx reverse proxy server serving mp4 files hosted on another server. Everything is working fine now except the cache. Although I have proxy_cache_valid set to 1 day (proxy_cache_valid ...
- 43
2
votes
0
answers
1k
views
How can I match proxy_cache_key in nginx with the path in proxy_pass if multiple slashes are used?
I'm receiving request in the form http://host.example/foo/ or http://host.example/foo// The requests are send to a backend server with proxy_pass http://backend; and cached with the key ...
- 121
0
votes
0
answers
818
views
NGINX, proxy cache and dynamic URI
I have a NGINX reverse proxy that sits in front of a node.js server (express). With a pretty basic configuration. The problem I'm running into is with NGINX's proxy caching feature. Here's the setup.
...
- 111
1
vote
2
answers
3k
views
nginx cache without upstream / backend
I know, nginx can act as a reverse proxy to cache files if provided with a backend.
The thing is, I already use nginx as a web-server, serving files (statics and php), and I want to know if it's ...
- 11
0
votes
1
answer
279
views
Prevent Squid from caching on a specific path
I'm using this rule in /etc/squid/squid.conf
acl DenyApp urlpath_regex /app/path1/path2
no_cache deny DenyApp
It's working great. However, what I would like to happen is for Squid to still cache /...
- 181
1
vote
1
answer
3k
views
Nginx - Conditionally serve WebP when nginx is setup as reverse proxy
Trying to conditionally serve WebP images in browsers that accept that mime type. Not being very familiar with nginx, I'm having issues implementing a known solution into my existing default host ...
- 11
1
vote
1
answer
2k
views
Varnish not working with last-modified
I'm new to Varnish and to reverse proxies in general. I'm testing Varnish in an application that works like a blog where I have a page with an "updated_at" that changes once the page is updated. As a ...
1
vote
2
answers
6k
views
Handling caching with NGINX when cookies are being set by the server
I've had very good performance results using NGINX microcaching.
However, I'm still not sure how to best handle server responses that have the Set-Cookie header.
Can responses from the origin server ...
- 367
1
vote
1
answer
729
views
On multiple request to Squid, send a single request to a backend and queue other requests on miss
I would like to protect a backend server by having Squid send a single request to a the server when there is a cache miss for a resource. During the fetching, other requests should be put on hold ...
- 111
6
votes
1
answer
6k
views
Why is my nginx reverse-proxy not caching anything?
I'm following this sample configuration from the Nginx docx. Reverse-proxying works fine except that it isn't caching results.
Here is my nginx.conf:
user http http;
worker_processes 1;
events {
...
- 73
1
vote
0
answers
1k
views
Squid reverse proxy not able to cache
Not able to cache anything with squid reverse proxy, running in centOS6.5
squid.conf
http_port 81 accel defaultsite=example.com:8080 no-vhost
cache_peer example.com.ip.address parent 8080 0 no-...
- 13
0
votes
0
answers
117
views
Cache domain GET requests using Squid
I'm trying to cache requests to remote package repository, so I can access it without internet connection. All calls are via http GET to remote repo.
iptables entry to redirect requests to proxy
...
- 185
1
vote
1
answer
865
views
NGINX not caching content
I hope anyone can throw a bit of light in here since I'm stuck in the dark :-P
Basically, I'm trying to make a Reverse Proxy NGINX cache content. Reverse proxying works OK, but the caching part... ...
- 151
-1
votes
1
answer
327
views
What's the best way to cache a website on nginx server with SSL?
I have a wordpress blog which runs using nginx (SSL) + PHP-FPM + MySQL. I wondered what was the best way to cache this kind of site.
I heard that Pound and Varnish do that well, but I haven't found ...
- 103
2
votes
0
answers
743
views
Is this an nginx proxy_cache bug?
I have a very simple proxy config:
http {
proxy_cache_path /var/www/cache levels=1:2 keys_zone=s3-images-cache:50m inactive=1M max_size=1000m;
proxy_temp_path /var/www/cache/tmp;
server {...
- 237
0
votes
0
answers
231
views
Odd Nginx issue displaying latest version of site
We're running Nginx 1.6.2 and setup as a load balancer (using proxy) along with our backend servers. Noticed the other day, when I make updates on backend servers the changes are NOT visible to web ...
- 183
0
votes
0
answers
904
views
Setting proxy_cache_bypass on NGINX only for HTML Content
We are currently using proxy_cache_bypass directive on NGINX to bypass caching when a cookie is set. This is our code:
proxy_cache_bypass $cookie_user;
However, we only want the server to bypass ...
- 201
2
votes
0
answers
449
views
Nginx proxy_cache / Varnish - parallel requests trigger multiple requests to backend?
I am looking for a HTTP reverse proxy that will handle HTTP live streaming use cases in a performant manner. Assume file/fragment sizes up to 4MB with a constant load of client requests for the same ...
- 21
5
votes
2
answers
10k
views
Nginx reverse proxy in nested locations
I'm using Nginx as a reverse proxy for multiple applications in multiple servers and I'm trying to add common cache directives to static files of each application.
My original configuration is ...
- 151
-1
votes
1
answer
208
views
Control files fetched from upstream when using nginx proxy cache
we have a file sharing site in a local network and we trying to save links bandwidth usage to the max by caching static files in local nodes powered by nginx with caching enabled.
Everything works ...
- 11
0
votes
1
answer
2k
views
NGiNX Custom Cache param based on regex match
My question(s) are as follows:
How do I set custom variables based on regexp against a useragent?
How do I set custom headers for the reverse-proxy request?
How do I use these values as caching ...
- 293
2
votes
1
answer
1k
views
Does Nginx respect maxage from upstream server?
I see the proxy_cache_valid directive, but that confuses me.
In HTTP, doesn't the upstream server specify this with Cache-Control and maxage?
How do I get Nginx's cache to use maxage ?
- 399