User overview: Last IP Adress 172.17.0.1

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I already checked out this posts:

but I don’t use a proxy afaik.
thats the first thing I checked before I started the docker-install script:
no apache or nginx is installed on my debian VPS Host. I can not stop believing that it has something to do with the docker proxy/nginx webserver. If you have any ideas what I could check, I’d be thankful :slight_smile:

edit:
here are my ip configurations on my host. it really seems, that the 172.17.x.x ip adresses are somehow related with the docker image:

user@linux-host-system:~$ ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 4a:x:x:x:x:02 brd ff:ff:ff:ff:ff:ff
    altname enp0s18
    inet <my-public-ipv4-adress>/24 brd 37.x.x.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 2a0e:x:x:x::1/64 scope global 
       valid_lft forever preferred_lft forever
    inet6 fe80::x:x:x:x/64 scope link 
       valid_lft forever preferred_lft forever
3: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default 
    link/ether 02:x:x:x:xx:d7 brd ff:ff:ff:ff:ff:ff
    inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
       valid_lft forever preferred_lft forever
    inet6 fe80::x:x:x:x/64 scope link 
       valid_lft forever preferred_lft forever
101: veth90d312b@if100: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master docker0 state UP group default 
    link/ether 32:x:x:x:x:75 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet6 fe80::3002:x:x:3775/64 scope link 
       valid_lft forever preferred_lft forever