System wide proxy settings not work correcly

[Udo017]

Software

• Linux Mint 18.1 (Cinnamon 64-bit)
• FireFox 54.0 (64bit)
• PassIFox 1.2.2
• KeePassXC v2.2.0

Settings

System wide proxy-settings in '/etc/environment'

http_proxy=http://proxy.home.domain.de:3128/ https_proxy=http://proxy.home.domain.de:3128/ ftp_proxy=http://proxy.home.domain.de:3128/ no_proxy=”localhost,127.0.0.1,localaddress,.my.home.domain.de” HTTP_PROXY=http://proxy.home.domain.de:3128/ HTTPS_PROXY=http://proxy.home.domain:3128/ FTP_PROXY=http://proxy.home.domain.de:3128/ NO_PROXY=”localhost,127.0.0.1,localaddress,.my.home.domain.de”

FireFox proxy-settings is set to "Use System-Proxy".

The Problem

Browse the Internet works fine. PassiFox don't work. After installing PassIFox and KeePassXC, starting KeePassXC and log into Database I get the the "KeePassFox has not been configured". After click on "Connect" I get the Message "KeePass database is not open".

Workaround

Set the FireFox proxy-setting to "manual proxy" and set the values. After reload the page all works fine.

Error

The system wide proxy-settings especially the "no_proxy" variables are not correct loaded or interpreted ?