Firefox
From DWIKI
FAQ
modify headers plugin not working
This plugin does not work if you're using a proxy
CPU load per tab
Menu -> More -> Task Manager
This personal certificate can’t be installed because you do not own the corresponding private key which was created when the certificate was requested.
NAME=myserver openssl pkcs12 -export -in $NAME.crt -inkey $NAME.key -out $NAME.p12
MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT
https://superuser.com/questions/1780337/let-firefox-accept-a-website-with-self-signed-certificate
Go to about:preferences#privacy Add exception in the Servers tab
