VulsをDockerで構築したけどHostKeyを登録しろと永遠言われる問題 ref: https://qiita.com/S-T/items/33d2a9d67fd8ccb40879

file0.txt

[Dec 26 09:28:48] ERROR [localhost] (5/5) Failed: SERVER, err: [Failed to detect OS: Unable to connect via SSH. Check SSH settings. If you have never SSH to the host to be scanned, SSH to the host before scanning in order to add the HostKey. [email protected] port: 22
execResult: servername: SERVER
  cmd: /usr/bin/ssh -tt -o StrictHostKeyChecking=yes -o LogLevel=quiet -o ConnectionAttempts=3 -o ConnectTimeout=10 -o ControlMaster=no -o ControlPath=none [email protected] -p 22 -i /root/.ssh/id_rsa_vuls -o PasswordAuthentication=no stty cols 1000; ls /etc/debian_version
  exitstatus: 255
  stdout: 
  stderr: 
  err: %!s(<nil>)]

file1.txt

$ docker run --rm -it    -v ~/.ssh:/root/.ssh:ro     -v $PWD:/vuls     -v $PWD/vuls-log:/var/log/vuls     vuls/vuls configtest     -config=./config.toml --debug
(略)
o SERVER, err: dial tcp 172.17.2.62:22: getsockopt: no route to host, Retrying in 3.749548963s...
[Dec 26 09:37:36] DEBUG [localhost] Failed to Dial to SERVER, err: dial tcp 172.17.2.61:22: getsockopt: no route to host, Retrying in 5.535907099s... 

file2.txt

# docker network ls
NETWORK ID          NAME                DRIVER              SCOPE
ae5bb0c38a2c        bridge              bridge              local
dd1c38f5429e        host                host                local
6519945407d0        none                null                local
#

file3.txt

$ docker network inspect ae5bb0c38a2c
[
    {
        "Name": "bridge",
 (略)
        "Driver": "bridge",
        "EnableIPv6": false,
        "IPAM": {
            "Driver": "default",
            "Options": null,
            "Config": [
                {
                    "Subnet": "172.17.0.0/16",
                    "Gateway": "172.17.0.1"
                }
            ]
        },

file4.txt

# vi /usr/lib/systemd/system/docker.service 
（略）
[Service]
（略）
#ExecStart=/usr/bin/dockerd
ExecStart=/usr/bin/dockerd --bip=10.0.0.1/8

file5.txt

# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         GATEWAY         0.0.0.0         UG    100    0        0 eth0
10.0.0.0        0.0.0.0         255.0.0.0       U     0      0        0 docker0

file6.txt

$ docker run --rm -it    -v ~/.ssh:/root/.ssh:ro     -v $PWD:/vuls     -v $PWD/vuls-log:/var/log/vuls     vuls/vuls scan   -config=./config.toml
(略)
 (5/5) Detected: SERVER: centos 7.4