Proxy / Network Configuration Tool

Setup proxy and other network settings

Linux:
https://www.cyberciti.biz/faq/linux-unix-set-proxy-environment-variable/
https://askubuntu.com/questions/279904/export-http-proxy-where-does-the-proxy-setting-get-stored

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/networking_guide/sec-network_config_using_cli
https://www.swiftstack.com/docs/install/configure_networking.html
https://www.howtogeek.com/118337/stupid-geek-tricks-change-your-ip-address-from-the-command-line-in-linux/
https://www.tecmint.com/ifconfig-command-examples/


Windows:
https://support.microsoft.com/en-us/help/900935/how-the-windows-update-client-determines-which-proxy-server-to-use-to
https://superuser.com/questions/489527/how-can-i-configure-proxy-settings-for-all-apps-system-ie-etc
https://www.techrepublic.com/article/10-things-you-should-know-about-the-netsh-tool/
https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc731131(v=ws.10)#BKMK_5

Example:
http://support.immunet.com/index.php?/topic/3088-immunet5-clamav-proxy/