Network firewall or web security gateway. If your app stays in a "connecting" mode or timed out due to "Network error, please try again" or "Can't connect to our service, please check your network connection and try again" - it could be related to your network connection, network firewall settings or web security gateway settings.
Dec 05, 2015 How do you change firewall settings? | Apple iOS OS Help Apr 09, 2008 How to configure the firewall in Mac OS X - Wisely Guide Mac OS includes a technology called ” Firewall Application ” with the aim of controlling computer connections made by other computers on the network. To access and enable the system firewall settings within Mac OS X, first select the ” System Preferences ” item in the main menu, top left, where the icon with the Apple symbol appears. macOS Sierra: Enabling Your Mac's Firewall and Stealth
Turn Microsoft Defender Firewall on or off
Firewall settings let you customize how firewall should monitor and respond to the inbound and the outbound network communications. Firewall settings contain the access settings for the applications, services, and ports on your Mac. They also contain access settings for connections to or from the other computers in the network to which your Mac
Troubleshooting Firewall Configuration Issues - Blizzard
Firewall settings | Deep Security