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After I installed docker on my Ubuntu then I couldn't connect to my universities internet network! I know the are many answers in the web but none could help. I couldn't even find the docker config file! it is not where it should be! please help me. Here is my docker services info:

    ● docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
   Active: active (running) since Mon 2020-02-10 10:40:43 +0330; 3h 31min ago
     Docs: https://docs.docker.com
 Main PID: 1970 (dockerd)
    Tasks: 14
   CGroup: /system.slice/docker.service
           └─1970 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

Feb 10 10:40:42 farzin-X541UVK dockerd[1970]: time="2020-02-10T10:40:42.789731894+03:30" l
Feb 10 10:40:42 farzin-X541UVK dockerd[1970]: time="2020-02-10T10:40:42.789761940+03:30" l
Feb 10 10:40:42 farzin-X541UVK dockerd[1970]: time="2020-02-10T10:40:42.789772489+03:30" l
Feb 10 10:40:42 farzin-X541UVK dockerd[1970]: time="2020-02-10T10:40:42.789981130+03:30" l
Feb 10 10:40:42 farzin-X541UVK dockerd[1970]: time="2020-02-10T10:40:42.951058222+03:30" l
Feb 10 10:40:42 farzin-X541UVK dockerd[1970]: time="2020-02-10T10:40:42.977300924+03:30" l
Feb 10 10:40:43 farzin-X541UVK dockerd[1970]: time="2020-02-10T10:40:43.096719485+03:30" l
Feb 10 10:40:43 farzin-X541UVK dockerd[1970]: time="2020-02-10T10:40:43.097334470+03:30" l
Feb 10 10:40:43 farzin-X541UVK dockerd[1970]: time="2020-02-10T10:40:43.143018929+03:30" l
Feb 10 10:40:43 farzin-X541UVK systemd[1]: Started Docker Application Container Engine.

ifconfig:

 anbox0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
            inet 192.168.250.1  netmask 255.255.255.0  broadcast 0.0.0.0
            inet6 fe80::40eb:71ff:fe9d:d1c4  prefixlen 64  scopeid 0x20<link>
            ether 42:eb:71:9d:d1:c4  txqueuelen 1000  (Ethernet)
            RX packets 0  bytes 0 (0.0 B)
            RX errors 0  dropped 0  overruns 0  frame 0
            TX packets 278  bytes 43088 (43.0 KB)
            TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

    docker0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
            inet 172.17.0.1  netmask 255.255.0.0  broadcast 172.17.255.255
            ether 02:42:3c:ad:32:a3  txqueuelen 0  (Ethernet)
            RX packets 0  bytes 0 (0.0 B)
            RX errors 0  dropped 0  overruns 0  frame 0
            TX packets 0  bytes 0 (0.0 B)
            TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

    enp2s0f2: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
            ether 4c:ed:fb:2b:2c:f1  txqueuelen 1000  (Ethernet)
            RX packets 0  bytes 0 (0.0 B)
            RX errors 0  dropped 0  overruns 0  frame 0
            TX packets 0  bytes 0 (0.0 B)
            TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

    lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
            inet 127.0.0.1  netmask 255.0.0.0
            inet6 ::1  prefixlen 128  scopeid 0x10<host>
            loop  txqueuelen 1000  (Local Loopback)
            RX packets 6214  bytes 1751532 (1.7 MB)
            RX errors 0  dropped 0  overruns 0  frame 0
            TX packets 6214  bytes 1751532 (1.7 MB)
            TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

    wlp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
            inet 172.17.100.242  netmask 255.255.252.0  broadcast 172.17.103.255
            inet6 fe80::d5a1:6417:24a:3f7a  prefixlen 64  scopeid 0x20<link>
            ether 50:5b:c2:09:cf:95  txqueuelen 1000  (Ethernet)
            RX packets 95541  bytes 68318665 (68.3 MB)
            RX errors 0  dropped 0  overruns 0  frame 0
            TX packets 79218  bytes 13280508 (13.2 MB)
            TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

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