How to define proxy server

How to define the Proxy server - Ethernet:

1) Tap "Advanced":

2)Tap "Ethernet settings":

3)Tap "Advanced Settings":

4) Define the Proxy server:

How to define the Proxy server - WIFI:

1) Tap "Advanced":

2)Tap "WIFI settings":

3)Long tap on the required WIFI network:

4) Tap "Modify network":

5)Tap "Advanced options":

6)Choose the required option: