Those of us who are users of Xfce we know this excellent and minimalist Desktop Environment he doesn't have the same option as his older brother Gnome, to put a Global Proxy in the system.
This results in that if we use Chromium (which uses the proxy of Gnome) We should declare manually what is the proxy to use in Xfce. Well, I have already found the solution for this and it is the following.
First we edit the file / etc / environment and we put this inside:
# Proxy Global
http_proxy="http://10.10.0.5:3128"
https_proxy="http://10.10.0.5:3128"
ftp_proxy="http://10.10.0.5:3128"
no_proxy="10.10.0.0/24"
Where 10.10.0.5 is the IP of the proxy server. We save and edit the file / Etc / profile and we put at the end:
# Proxy Global
export http_proxy="http://10.10.0.5:3128"
export https_proxy="http://10.10.0.5:3128"
export ftp_proxy="http://10.10.0.5:3128"
export no_proxy="10.10.0.0/24"
We restart the equipment and we can now navigate with Chromium (for example).