transferring data

Hello

I have an ipad air and recently found I could transfer data by using http://192.168.1.3:8080 which was working fine. The next day I treid the same but this time iI get an error "this page cant be displayed" and when I go into troubleshoot error The device or resource wont accept the connection Detected

When I troubleshoot it then says !resource 192.168.1.3 is online but not respaonding to connection attempts Detected

Can anyone help please