Top "Varnish" questions

Varnish is an open source reverse HTTP proxy with extensive caching abilities, i.e. a web accelerator.

Varnish Client IP not logging in Apache Logs

I've configured Varnish 3 with Apache and it is running perfectly alright. However i'm unable to get the Client ip logged …

varnish varnish-vcl
Flask 301 Response

My flask app is doing a 301 redirect for one of the urls. The traceback in New Relic is: Traceback (most …

python nginx flask varnish uwsgi
How can I check why a Varnish probe fails?

I'm used to run varnishadm -T localhost:6082 debug.health to check the backends health status, but how can I check …

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Varnish automagically adding load balancer IP to X-Forwarded-For header

My request flow is as follows; HAProxy --> Varnish (4.0.1) --> Apache web backends When a new request comes …

varnish varnish-vcl
How do I disable 'Transfer-Encoding: chunked' encoding in Varnish?

Using Varnish 4, I have a set of backends that're responding with a valid Content-Length header and no Transfer-Encoding header. On …

http varnish chunked transfer-encoding http-content-length
How to NOT cache 500 Internal Server Errors in Varnish

I can't figure out, for the life of me, how to get varnish to ignore caching of 500 internal server errors. …

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Using an AWS ELB behind Varnish - is it possible?

I'm trying to put a set of EC2 instances behind a couple of Varnish servers. Our Varnish configuration very seldom …

amazon-web-services varnish amazon-elb
How to make Varnish ignore, not delete cookies

I want to use Varnish to cache certain pages even in the presence of cookies. There are 3 possibilities that I …

http caching cookies varnish
What is Pipe mode and pass mode in varnish

what is pipe mode and pass mode in varnish-cache ... I have been trying to refer to this link to understand …

varnish varnish-vcl
Getting Apache 2.4 access logs to show client IP instead of 127.0.0.1 with Varnish using mod_remoteip

For the life of me, I couldn't get mod_remoteip to get client IPs in my Apache access logs. I'm …

apache logging reverse-proxy varnish