220 (vsFTPd 3.0.2)
530 Login incorrect.
530 Please login with USER and PASS.
211-Features:
 EPRT
 EPSV
 MDTM
 PASV
 REST STREAM
 SIZE
 TVFS
 UTF8
211 End

OpenSSH6.6.1

SSH-2.0-OpenSSH_6.6.1
Key type: ssh-rsa
Key: AAAAB3NzaC1yc2EAAAADAQABAAABAQCl9e1m7nqsoa8EBk1IyPC8D3zRSqcC814S+pxoG1x2G9EZ
FmO6VAfeS/M5MtIkqlFP/HU2EEUSP8SRHe0m0z2i+S+DcY8Mywc+Te+EiZsEyj3aEpflhvrprtgg
xOuwEewVqbbHll62UyZny3IY6hU6k/5TnhZV2evusa94kLVNhTD3uXxV6Y2dT9BAc+hMhBfzjx5n
vwjom59XoS+EHPB3kIXIcfHqwH/uGF2Lv7Idp3XTSPwKbQuo5WAN5eF7EzWIT5h57m3WfGAt42ax
yEdq6VdMiok70kHenBOeDj5VD8F0eANH780KDOwF+RGeObWlTVbUGqQc/oNNMFXYrNPD
Fingerprint: eb:ad:a5:11:1b:7c:68:8e:21:be:2f:83:a1:cc:1f:ad

Kex Algorithms:
	curve25519-sha256@libssh.org
	ecdh-sha2-nistp256
	ecdh-sha2-nistp384
	ecdh-sha2-nistp521
	diffie-hellman-group-exchange-sha256
	diffie-hellman-group-exchange-sha1
	diffie-hellman-group14-sha1
	diffie-hellman-group1-sha1

Server Host Key Algorithms:
	ssh-rsa
	ecdsa-sha2-nistp256
	ssh-ed25519

Encryption Algorithms:
	aes128-ctr
	aes192-ctr
	aes256-ctr
	arcfour256
	arcfour128
	aes128-gcm@openssh.com
	aes256-gcm@openssh.com
	chacha20-poly1305@openssh.com
	aes128-cbc
	3des-cbc
	blowfish-cbc
	cast128-cbc
	aes192-cbc
	aes256-cbc
	arcfour
	rijndael-cbc@lysator.liu.se

MAC Algorithms:
	hmac-md5-etm@openssh.com
	hmac-sha1-etm@openssh.com
	umac-64-etm@openssh.com
	umac-128-etm@openssh.com
	hmac-sha2-256-etm@openssh.com
	hmac-sha2-512-etm@openssh.com
	hmac-ripemd160-etm@openssh.com
	hmac-sha1-96-etm@openssh.com
	hmac-md5-96-etm@openssh.com
	hmac-md5
	hmac-sha1
	umac-64@openssh.com
	umac-128@openssh.com
	hmac-sha2-256
	hmac-sha2-512
	hmac-ripemd160
	hmac-ripemd160@openssh.com
	hmac-sha1-96
	hmac-md5-96

Compression Algorithms:
	none
	zlib@openssh.com

MySQL5.7.24

MySQL:
  Protocol Version: 10
  Version: 5.7.24
  Capabilities: 63487
  Server Language: 33
  Server Status: 2
  Extended Server Capabilities: 33279
  Authentication Plugin: mysql_native_password

mDNS

mDNS:
  services:
    9/tcp workstation:
      Name=linux [ec:d6:8a:01:81:fa]
      Address=43.226.237.68 fe80::eed6:8aff:fe01:81fa
  answers:
    PTR:
      _workstation._tcp.local

Apache Tomcat/Coyote JSP engine1.1

HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Accept-Ranges: bytes
ETag: W/"50-1722581889000"
Last-Modified: Fri, 02 Aug 2024 06:58:09 GMT
Content-Type: text/html
Content-Length: 50
Date: Wed, 18 Dec 2024 07:32:56 GMT

Apache Tomcat/Coyote JSP engine1.1

HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Accept-Ranges: bytes
ETag: W/"50-1722581889000"
Last-Modified: Fri, 02 Aug 2024 06:58:09 GMT
Content-Type: text/html
Content-Length: 50
Date: Sun, 22 Dec 2024 13:47:19 GMT

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 1483488589 (0x586c3d4d)
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=CN, ST=Beijing, L=Beijing, O=Yahong Century Technology Development Co.,Ltd., OU=ACT Certification Authority, CN=ACT ISMS
        Validity
            Not Before: Aug 31 02:01:48 2018 GMT
            Not After : Aug 28 02:01:48 2028 GMT
        Subject: C=CN, ST=Beijing, L=Beijing, O=Yahong Century Technology Development Co.,Ltd., OU=ACT Certification Authority, CN=ACT ISMS
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:b4:ff:62:a6:02:4d:10:2c:a0:11:6b:9e:a2:7f:
                    c2:e4:6f:42:57:db:12:51:e8:07:a0:3f:41:d1:d9:
                    e1:99:2f:8d:a8:2d:a3:8f:a7:f1:44:c5:a1:93:d1:
                    9a:42:ab:5b:3f:f1:8d:85:17:1a:98:4e:3d:83:b4:
                    85:a0:37:5e:a3:79:5e:f6:01:98:a6:97:34:5e:58:
                    eb:6d:a3:8b:1c:4a:11:94:ee:b7:2f:69:8b:bb:f1:
                    b6:c8:ce:5d:1e:33:dd:eb:a4:a3:81:81:56:f7:e1:
                    a7:4d:40:6d:ab:99:e1:6a:36:cb:84:6d:fb:f1:bf:
                    a2:1d:f0:da:b6:f8:74:7a:17:f0:ce:71:84:35:8e:
                    3f:23:ad:ca:2c:8d:1f:d8:d0:11:47:40:f5:db:44:
                    19:e4:1a:b0:53:0f:16:bf:47:3f:b5:13:4e:8b:0b:
                    a5:68:d3:00:7a:a8:f9:fa:ce:ce:7e:dc:a0:6d:41:
                    4b:68:e2:23:73:d9:5b:f9:f7:f5:9f:02:07:6e:72:
                    af:ff:37:d2:bd:23:fa:de:21:54:3a:65:b2:00:9c:
                    77:e8:30:eb:7a:2f:7d:95:55:c3:de:58:a8:f8:7c:
                    23:64:83:ca:ba:f7:a9:3f:c5:77:a9:ce:7b:ba:f2:
                    3b:13:fa:59:cc:ce:eb:b9:33:ef:c6:1c:b8:34:b6:
                    7a:bd
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                11:92:D6:2B:EA:AC:AA:7D:0C:58:D3:A0:2F:7B:3D:5D:B6:47:08:58
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        5f:99:ec:6b:20:ff:18:22:35:87:42:d8:68:60:75:fe:d1:a2:
        68:8d:ef:fa:70:c3:67:4d:0a:44:5a:43:ec:9f:11:23:1e:19:
        1d:c6:9c:b5:a5:10:8d:93:41:f3:61:f9:87:2b:07:99:29:f2:
        05:7c:b6:40:38:ac:24:68:20:90:d9:ee:8a:34:be:50:91:c2:
        82:8a:fe:5f:e8:40:8a:6c:c6:78:6a:9a:83:7a:80:3b:ec:e4:
        07:12:64:5c:91:d4:c8:0c:25:17:86:82:8f:65:6c:b2:f7:ce:
        0d:e4:99:b2:c3:ac:1d:66:1f:ea:f7:f9:61:1d:02:ca:82:27:
        4b:e6:46:37:85:e0:3b:00:b3:33:de:25:99:d4:c2:8b:56:58:
        40:85:fe:ed:34:e8:3f:2f:34:07:4d:ef:a3:89:ce:21:fa:18:
        5e:b0:e1:c2:3c:87:be:9e:05:44:14:0a:16:cf:46:00:15:12:
        75:00:63:a7:8b:1d:00:cc:2b:c2:18:ae:06:15:28:5a:20:ef:
        ec:2e:ff:f2:9e:de:8e:8d:75:8c:0e:36:c9:8a:75:5e:0a:ba:
        cd:7b:5a:2a:09:84:b4:75:5e:2f:a8:de:70:c5:8b:90:a0:e2:
        3f:34:e8:01:0b:63:f8:82:9c:f5:c6:2f:be:16:ae:49:af:21:
        39:23:57:b3

HTTP/1.1 400 Bad Request

Apache Dubbo

+------------+--------+--------------------------------------------------------+
| resource   | status | message                                                |
+------------+--------+--------------------------------------------------------+
| load       | OK     | load:2.3,cpu:4                                         |
| server     | OK     | /43.226.237.68:20880(clients:1)                        |
| datasource | OK     | dataSourcejdbc:mysql://127.0.0.1:3306/ucenter?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull(MySQL-5.7.24) |
| threadpool | OK     | Pool status:OK, max:200, core:200, largest:200, active:1, task:1134, service port: 20880 |
| memory     | OK     | max:4079M,total:4079M,used:567M,free:3512M             |
| registry   | OK     | 127.0.0.1:48889(connected)                             |
| spring     | OK     | classpath*:/applicationContext*.xml                    |
| summary    | OK     |                                                        |
+------------+--------+--------------------------------------------------------+

dubbo>