220 ProFTPD Server (Debian) [::ffff:137.74.251.21]
530 Login incorrect.
214-The following commands are recognized (* =>'s unimplemented):
 CWD     XCWD    CDUP    XCUP    SMNT*   QUIT    PORT    PASV    
 EPRT    EPSV    ALLO    RNFR    RNTO    DELE    MDTM    RMD     
 XRMD    MKD     XMKD    PWD     XPWD    SIZE    SYST    HELP    
 NOOP    FEAT    OPTS    HOST    CLNT    AUTH*   CCC*    CONF*   
 ENC*    MIC*    PBSZ*   PROT*   TYPE    STRU    MODE    RETR    
 STOR    STOU    APPE    REST    ABOR    RANG    USER    PASS    
 ACCT*   REIN*   LIST    NLST    STAT    SITE    MLSD    MLST    
214 Direct comments to root@ns31213623.ip-51-91-106.eu
211-Features:
 CLNT
 EPRT
 EPSV
 HOST
 LANG es-ES;en-US.UTF-8;en-US;fr-FR;it-IT
 MDTM
 MFF modify;UNIX.group;UNIX.mode;
 MFMT
 MLST modify*;perm*;size*;type*;unique*;UNIX.group*;UNIX.groupname*;UNIX.mode*;UNIX.owner*;UNIX.ownername*;
 RANG STREAM
 REST STREAM
 SITE COPY
 SITE MKDIR
 SITE RMDIR
 SITE SYMLINK
 SITE UTIME
 SIZE
 TVFS
 UTF8
211 End

nginx

HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Thu, 20 Mar 2025 07:11:19 GMT
Content-Type: text/html
Content-Length: 162
Connection: keep-alive
Location: https://137.74.251.21/
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff

nginx

HTTP/1.1 404 Not Found
Server: nginx
Date: Thu, 20 Mar 2025 08:16:46 GMT
Content-Type: text/html
Content-Length: 548
Connection: keep-alive
Vary: Accept-Encoding

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

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

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Thu, 20 Mar 2025 07:11:21 GMT
Content-Type: text/html
Content-Length: 650
Connection: close

PostgreSQL9.6.0 or later

PostgreSQL
FATAL:  no pg_hba.conf entry for host "224.91.249.125", user "postgres", database "template0", SSL encryption
FATAL:  no pg_hba.conf entry for host "224.91.249.125", user "postgres", database "template0", no encryption

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            0d:af:c2:41:85:96:c9:01:1b:d7:a0:52:df:fd:ba:e5:84:cb:73:09
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=ns31213623.ip-51-91-106.eu
        Validity
            Not Before: Jul  4 09:40:33 2023 GMT
            Not After : Jul  1 09:40:33 2033 GMT
        Subject: CN=ns31213623.ip-51-91-106.eu
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:a9:93:70:3c:62:7e:7f:ac:b1:ac:55:7b:f8:70:
                    35:22:8d:bb:8a:e0:54:9c:8e:14:92:ca:7b:76:2f:
                    8f:ce:29:17:12:c6:fb:08:4e:33:81:91:49:83:d9:
                    69:ad:c6:c0:a9:79:1f:9e:0b:64:34:a8:6a:3e:67:
                    23:f4:d2:f6:af:58:82:87:ae:71:72:19:eb:7b:b7:
                    e8:2d:91:4d:d9:97:65:50:77:16:4b:41:22:1e:90:
                    f4:a5:03:f7:a4:e1:7c:79:06:6d:45:52:37:ae:b6:
                    6d:7f:23:ae:cc:37:0f:11:51:f3:26:4f:91:28:15:
                    2a:86:e5:7b:0e:35:29:c8:bd:67:2c:33:c6:fe:b4:
                    4b:64:41:ee:04:9a:14:81:ee:19:78:fe:b8:ba:94:
                    86:2d:83:27:4d:61:aa:23:8c:0d:00:0e:d0:be:87:
                    bb:f6:8c:9e:50:bd:8a:9f:08:bc:08:89:ee:09:49:
                    af:ea:69:96:1b:80:78:22:b2:56:d8:d7:f6:8d:7b:
                    f8:9f:2f:95:03:05:6a:66:07:15:c5:9e:e2:15:f1:
                    69:72:08:fa:a4:ae:05:d9:05:28:7d:a5:bf:bf:97:
                    ed:1d:dd:4c:73:ed:79:e7:4d:de:c4:51:e2:c2:e8:
                    ac:b3:ef:b8:98:1d:61:39:bd:8d:0f:c2:68:d3:44:
                    4b:9f
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
            X509v3 Subject Alternative Name: 
                DNS:ns31213623.ip-51-91-106.eu
            X509v3 Subject Key Identifier: 
                95:BD:76:BE:69:B1:66:28:6A:C5:FD:F4:48:60:55:0F:E1:BB:DA:D2
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        9d:51:db:aa:7e:4e:58:35:96:26:c3:37:6e:01:e6:8f:2a:85:
        b3:14:70:84:f7:46:37:eb:47:66:cb:c9:1d:f3:a7:76:b4:4c:
        dd:c4:eb:c1:34:68:e3:1a:6d:cc:e9:d2:e9:6b:92:8f:07:5e:
        46:eb:c6:f6:a3:a4:00:6b:3d:24:5a:bd:a7:38:43:c9:85:a9:
        00:a4:12:f8:82:23:3c:58:3f:79:0f:8b:8c:7f:be:f4:34:55:
        f9:56:92:fa:98:59:83:17:8e:6e:80:b6:0e:52:f2:5b:75:cc:
        3d:82:3f:a9:7c:f8:d9:1e:3f:17:e8:c6:ce:32:82:5b:5e:71:
        a1:56:ae:ab:67:49:5a:4d:b4:6f:c7:60:de:3f:63:00:5f:8e:
        f4:5c:2e:5d:bf:ab:c2:74:52:19:e9:e3:03:45:01:24:26:b8:
        2a:f3:7a:5c:16:01:d6:55:95:92:79:bb:40:fc:78:69:76:d3:
        bb:ed:89:5c:96:5a:9a:b7:52:c3:6d:09:6f:3a:a3:a8:c9:42:
        b3:ef:6e:63:9b:cf:53:65:e7:d6:4f:37:8a:e9:73:f5:0e:9f:
        14:c0:0b:25:e0:87:9b:22:e6:34:2a:f2:61:f2:6f:c3:d4:e1:
        7c:4f:51:73:99:f3:39:dc:f0:57:8f:05:64:6f:4d:59:ce:11:
        d6:bc:51:eb

Prometheus Time Series Collection and Processing Server

HTTP/1.1 200 OK
Date: Mon, 24 Mar 2025 14:52:11 GMT
Content-Length: 734
Content-Type: text/html; charset=utf-8

Prometheus Node Exporter1.7.0

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
    goarch: amd64
    goos: linux
    goversion: go1.21.4
    revision: 7333465abf9efba81876303bb57e6fadb946041b
    tags: netgo osusergo static_build
    version: 1.7.0
  node_uname_info:
    domainname: (none)
    machine: x86_64
    nodename: acc982809f21
    release: 5.15.0-89-generic
    sysname: Linux
    version: #99-Ubuntu SMP Mon Oct 30 20:42:41 UTC 2023
  node_dmi_info:
    bios_date: 06/13/2023
    bios_release: 5.13
    bios_vendor: American Megatrends Inc.
    bios_version: L2.41A
    board_name: E3C246D4U2-2T
    board_vendor: ASRockRack
    board_version: 1.01
    chassis_asset_tag: To Be Filled By O.E.M.
    chassis_vendor: To Be Filled By O.E.M.
    chassis_version: To Be Filled By O.E.M.
    product_family: To Be Filled By O.E.M.
    product_name: E3C246D4U2-2T
    product_sku: To Be Filled By O.E.M.
    product_version: To Be Filled By O.E.M.
    system_vendor: To Be Filled By O.E.M.
  node_nvme_info:
    nvme1:
      device: nvme1
      firmware_revision: GXA7802Q
      model: SAMSUNG MZVL2512HCJQ-00B07
      serial: S63CNX0RA14167
      state: live
    nvme0:
      device: nvme0
      firmware_revision: GXA7802Q
      model: SAMSUNG MZVL2512HCJQ-00B07
      serial: S63CNX0RA14170
      state: live
  node_network_info:
    lo:
      address: 00:00:00:00:00:00
      adminstate: up
      broadcast: 00:00:00:00:00:00
      device: lo
      operstate: unknown
    eth0:
      address: 02:42:c0:a8:b0:02
      adminstate: up
      broadcast: ff:ff:ff:ff:ff:ff
      device: eth0
      duplex: full
      operstate: up

02:42:C0:A8:B0:02
    Unknown

Netdata2.2.0-nightly

HTTP/1.1 200 OK
Connection: close
Server: Netdata Embedded HTTP Server v2.2.0-373-nightly
Access-Control-Allow-Origin: *
Access-Control-Allow-Credentials: true
Date: Tue, 11 Mar 2025 09:06:19 GMT
Content-Type: text/html; charset=utf-8
Cache-Control: public
Expires: Fri, 14 Mar 2025 02:27:46 GMT
Content-Length: 100109
X-Transaction-ID: 21e49e3f5cf4438baeb5c321c982a6c4