If you want to know how to allow chrome to access the network, you can follow the step given below:
1. Open Chrome and go to settings.
2. At the bottom, click Advanced.
3. Then in Under Reset Settings, click Restore settings to their original defaults.
4. Under Reset and cleanup, click Reset Settings.
Hopefully above steps will help you to fix the issue if not you can also follow our blog to see more on google chrome firewall settings.