Portmap
Program	Version	Protocol	Port
portmapper	4	tcp	111
portmapper	3	tcp	111
portmapper	2	tcp	111
portmapper	4	udp	111
portmapper	3	udp	111
portmapper	2	udp	111

Prometheus Node Exporter1.3.1

HTTP/1.1 400 Bad Request
Content-Type: text/plain; charset=utf-8
Connection: close

400 Bad Request
Prometheus Node Exporter:
  node_exporter_build_info:
    branch: HEAD
    goversion: go1.17.3
    revision: a2321e7b940ddcff26873612bccdf7cd4c42b6b6
    version: 1.3.1
  node_os_info:
    id: amzn
    id_like: centos rhel fedora
    name: Amazon Linux
    pretty_name: Amazon Linux 2
    version: 2
    version_id: 2
  node_uname_info:
    domainname: (none)
    machine: x86_64
    nodename: ip-10-3-0-136.eu-central-1.compute.internal
    release: 5.10.178-162.673.amzn2.x86_64
    sysname: Linux
    version: #1 SMP Mon Apr 24 23:34:06 UTC 2023
  node_dmi_info:
    bios_date: 10/16/2017
    bios_release: 1.0
    bios_vendor: Amazon EC2
    bios_version: 1.0
    board_asset_tag: i-0fd10c3781936b476
    board_vendor: Amazon EC2
    chassis_asset_tag: Amazon EC2
    chassis_vendor: Amazon EC2
    product_name: r5.2xlarge
    system_vendor: Amazon EC2
  node_nvme_info:
    nvme0:
      device: nvme0
      firmware_revision: 1.0
      model: Amazon Elastic Block Store
      serial: vol0151b624617255e94
      state: live
  node_network_info:
    eni82aecf4678d:
      address: e2:55:fa:a6:93:ca
      broadcast: ff:ff:ff:ff:ff:ff
      device: eni82aecf4678d
      duplex: full
      operstate: up
    eni6477f284e16:
      address: f2:a4:3b:a5:c3:53
      broadcast: ff:ff:ff:ff:ff:ff
      device: eni6477f284e16
      duplex: full
      operstate: up
    lo:
      address: 00:00:00:00:00:00
      broadcast: 00:00:00:00:00:00
      device: lo
      operstate: unknown
    eni64175659046:
      address: c2:54:d2:ea:f0:66
      broadcast: ff:ff:ff:ff:ff:ff
      device: eni64175659046
      duplex: full
      operstate: up
    eniedd6bb92dc3:
      address: 0e:50:2a:98:62:37
      broadcast: ff:ff:ff:ff:ff:ff
      device: eniedd6bb92dc3
      duplex: full
      operstate: up
    eni691c44ea06b:
      address: 16:b8:7f:ce:0c:c7
      broadcast: ff:ff:ff:ff:ff:ff
      device: eni691c44ea06b
      duplex: full
      operstate: up
    eni095d829473a:
      address: 7e:8e:39:e0:b0:4e
      broadcast: ff:ff:ff:ff:ff:ff
      device: eni095d829473a
      duplex: full
      operstate: up
    eni5ba54d4586b:
      address: 3a:11:3b:36:f4:59
      broadcast: ff:ff:ff:ff:ff:ff
      device: eni5ba54d4586b
      duplex: full
      operstate: up
    eni4888311e18d:
      address: de:8b:fe:c7:44:92
      broadcast: ff:ff:ff:ff:ff:ff
      device: eni4888311e18d
      duplex: full
      operstate: up
    eth2:
      address: 02:c8:2a:11:5f:9b
      broadcast: ff:ff:ff:ff:ff:ff
      device: eth2
      operstate: up
    eth1:
      address: 02:3c:3a:87:6d:cb
      broadcast: ff:ff:ff:ff:ff:ff
      device: eth1
      operstate: up
    eth0:
      address: 02:78:ed:2d:68:37
      broadcast: ff:ff:ff:ff:ff:ff
      device: eth0
      operstate: up

02:3C:3A:87:6D:CB
    Unknown
02:78:ED:2D:68:37
    Unknown
02:C8:2A:11:5F:9B
    Unknown