Actions

Dev/Varnish

From Whonix

< Dev

.

Varnish Cheat Sheet[edit]

For Varnish 4.

Show most requested URLs from backend[edit]

varnishtop -i BereqURL

Show specific requested URLs from backend[edit]

varnishlog -q 'BereqURL ~ "^/forum/Themes/default/scripts/"

Show requests for single URL[edit]

varnishlog -q 'ReqURL ~ "^/wiki/Translatetest"'

Show backend responses[edit]

varnishlog -g request -q "RespStatus eq 503"
varnishlog -g request -q "BerespStatus eq 503"

HTTP Purges[edit]

curl -X "PURGE / HTTP/1.0" 127.0.0.1:6081/adrelanos.asc
or: curl --head -X "PURGE / HTTP/1.0" 127.0.0.1:6081/adrelanos.asc
check (Resets Age in http header to 0.): curl --head https://www.whonix.org/adrelanos.asc

Show HTTP requests[edit]

varnishlog -q "ReqMethod eq PURGE"

Show HTTP purges[edit]

varnishlog -q "VCL_return eq purge"

Ban single URL[edit]

varnishadm 'ban req.url ~ "/adrelanos.asc"'
varnishadm 'ban req.url ~ "/wiki/Translatetest"'

Ban all URLs[edit]

varnishadm 'ban req.url ~ "."'

Show how many connections are currently open[edit]

netstat -anp | grep :443 | grep ESTABLISHED | wc -l

wordpress Total Cache varnish setup[edit]

wordpress → Performance (on the side) → General Settings → Reverse Proxy
127.0.0.1:6081 run in shell: varnishlog -q "VCL_return eq purge"
test: wordpress → Performance (at the top) → empty all cache

list of all variables such as client.ip[edit]

https://www.varnish-cache.org/docs/trunk/reference/vcl.html

default built-in vcl[edit]

https://www.varnish-cache.org/trac/browser/bin/varnishd/builtin.vcl?rev=4.0

Show nuked items[edit]

Elements that have been removed from cache due to lack of memory.

varnishstat -1 -f MAIN.n_lru_nuked

whonix.org[edit]

/etc/default/varnish

## Patrick: changed from
## -s malloc,256m
## to
## -s malloc,8G

varnish advantages[edit]

Feature Requests[edit]

Debugging[edit]


No user support in comments. See Support. Comments will be deleted after some time. Specifically after comments have been addressed in form of wiki enhancements. See Wiki Comments Policy.


Add your comment
Whonix welcomes all comments. If you do not want to be anonymous, register or log in. It is free.


Random News:

Want to make Whonix safer and more usable? We're looking for helping hands. Check out the Open Issues and development forum.


https | (forcing) onion

Follow: Twitter | Facebook | gab.ai | Stay Tuned | Whonix News

Share: Twitter | Facebook

This is a wiki. Want to improve this page? Help is welcome and volunteer contributions are happily considered! Read, understand and agree to Conditions for Contributions to Whonix ™, then Edit! Edits are held for moderation.

Copyright (C) 2012 - 2019 ENCRYPTED SUPPORT LP. Whonix ™ is a trademark. Whonix ™ is a licensee of the Open Invention Network. Unless otherwise noted, the content of this page is copyrighted and licensed under the same Freedom Software license as Whonix ™ itself. (Why?)

Whonix ™ is a derivative of and not affiliated with Debian. Debian is a registered trademark owned by Software in the Public Interest, Inc.

Whonix ™ is produced independently from the Tor® anonymity software and carries no guarantee from The Tor Project about quality, suitability or anything else.

By using our website, you acknowledge that you have read, understood and agreed to our Privacy Policy, Cookie Policy, Terms of Service, and E-Sign Consent. Whonix ™ is provided by ENCRYPTED SUPPORT LP. See Imprint.