Ошибка 400 ssl certificate error

First of all, enable debug log in nginx.conf:

error_log  logs/error.log debug;

And restart nginx. Then repeat the request and check the log file. Find the first line with verify:0:

2019/12/05 22:34:50 [debug] 5980#9776: *17 verify:0, error:20, depth:0, subject:"/CN=...", issuer:"/CN=..."

Here you see error:20. The error code comes from OpenSSL. Here you can find the constant name by code and here the corresponding description by constant name.

Alternatively you can verify the certificate using openssl command line tool:

openssl verify -CAfile ca.crt client.crt

To verify it as the server sees it, ca.crt has to be the file listed in ssl_client_certificate or ssl_trusted_certificate directive in nginx.conf.

To verify the certificate on its own, ca.crt has to be the certificate that was used to sign client.crt. If it is self-signed, it’ll be client.crt itself (client.crt will be twice in a row).

If you’re getting error 20 specifically and your client certificate is self-signed, you might have encountered this bug. To fix it you should either drop keyUsage from your certificate entirely or add keyCertSign to the list. To verify whether you’ve stumbled upon it, check whether Key Usage is listed in X509v3 extensions: section in the output of the following command:

openssl x509 -in client.crt -text -noout

Источник

A 400 Bad Request: The SSL certificate error is a common issue that occurs when the SSL certificate on a web server is not properly configured. This error occurs when a client (such as a web browser) attempts to connect to a web server and the server is unable to validate the SSL certificate provided by the client. The error message is displayed in the browser and the connection to the server is refused.

Method 1: Check the SSL certificate

To fix the «400 Bad Request: The SSL certificate error» issue, you can check the SSL certificate. Here are the steps to do it:

  1. Import the ssl module:
  1. Create an SSL context:
context = ssl.create_default_context()
  1. Set the SSL verification mode to CERT_REQUIRED:
context.verify_mode = ssl.CERT_REQUIRED
  1. Load the system’s trusted CA certificates:
context.load_default_certs()
  1. Create a connection with the SSL context:
conn = context.wrap_socket(socket.socket(socket.AF_INET), server_hostname=hostname)
  1. Send a request to the server:
conn.sendall(request.encode())
  1. Receive the response from the server:
response = conn.recv(4096).decode()
  1. Close the connection:

Here is an example code snippet that demonstrates the above steps:

import socket
import ssl

hostname = 'example.com'
port = 443

context = ssl.create_default_context()
context.verify_mode = ssl.CERT_REQUIRED
context.load_default_certs()

conn = context.wrap_socket(socket.socket(socket.AF_INET), server_hostname=hostname)
conn.connect((hostname, port))

request = 'GET / HTTP/1.1rnHost: example.comrnrn'
conn.sendall(request.encode())

response = conn.recv(4096).decode()
print(response)

conn.close()

This code will establish an SSL connection with the server and send a GET request to the root path. The response will be printed to the console. If there is an SSL certificate error, the ssl.SSLError exception will be raised.

Method 2: Update the SSL certificate

To fix the «400 Bad Request: The SSL certificate error» by updating the SSL certificate, follow these steps:

  1. Obtain a new SSL certificate from a trusted certificate authority.

  2. Install the new SSL certificate on your server. The exact steps for this will depend on your server configuration, but typically involve copying the certificate to the server and configuring your web server software to use it.

  3. Restart your web server software to ensure that it is using the new SSL certificate.

  4. Test your SSL configuration using an SSL checker tool such as Qualys SSL Labs (https://www.ssllabs.com/ssltest/). This will verify that your SSL configuration is correct and that the new SSL certificate is being used.

Here’s an example of how to install a new SSL certificate on an Apache web server running on Ubuntu:

sudo cp /path/to/new/certificate.crt /etc/apache2/ssl/
sudo cp /path/to/new/private.key /etc/apache2/ssl/

sudo nano /etc/apache2/sites-available/default-ssl.conf

SSLCertificateFile /etc/apache2/ssl/certificate.crt
SSLCertificateKeyFile /etc/apache2/ssl/private.key


sudo service apache2 restart

This should update the SSL certificate on your server and resolve the «400 Bad Request: The SSL certificate error».

Method 3: Clear browser cache and cookies

To fix the «400 Bad Request: The SSL certificate error» with clearing browser cache and cookies, follow these steps:

  1. Open the browser and navigate to the settings menu.
  2. Find the option to clear browsing data, and select it.
  3. Choose the time range for which you want to clear the data (e.g. «All time»).
  4. Make sure the checkboxes for «Cookies and other site data» and «Cached images and files» are selected.
  5. Click on «Clear data» to start the process.

Code example for clearing cache and cookies in Google Chrome:

// Clear cache and cookies
chrome.browsingData.remove({
  "since": 0
}, {
  "cookies": true,
  "cacheStorage": true,
  "localStorage": true
}, function() {
  console.log("Cache and cookies cleared.");
});

Code example for clearing cache and cookies in Mozilla Firefox:

// Clear cache and cookies
browser.browsingData.remove({
  "since": 0
}, {
  "cookies": true,
  "cache": true,
  "localStorage": true
}).then(function() {
  console.log("Cache and cookies cleared.");
});

Note that the exact code may vary depending on the browser and programming language used. The key is to use the appropriate API or function to clear the cache and cookies for the desired time range.

Method 4: Check the server configuration

To fix the «400 Bad Request: The SSL certificate error» issue by checking the server configuration, follow these steps:

  1. Check if the SSL certificate is valid and not expired:
openssl x509 -enddate -noout -in /path/to/certificate.crt

If the certificate is expired, renew it.

  1. Check if the SSL certificate is installed correctly:
openssl verify /path/to/certificate.crt

If the certificate is not installed correctly, reinstall it.

  1. Check if the SSL certificate matches the domain name:
openssl s_client -connect example.com:443 -servername example.com

If the certificate does not match the domain name, obtain a new certificate that matches the domain name.

  1. Check if the SSL certificate chain is complete:
openssl s_client -connect example.com:443 -showcerts

If the certificate chain is not complete, install the missing intermediate certificates.

  1. Check if the SSL protocol and cipher suite are supported:
openssl s_client -connect example.com:443 -cipher 'ECDHE-ECDSA-AES256-GCM-SHA384'

If the SSL protocol or cipher suite is not supported, update the server configuration to support them.

By following these steps, you can fix the «400 Bad Request: The SSL certificate error» issue by checking the server configuration.

If you are experiencing the 400 Bad Request error due to an SSL certificate issue, one of the ways to fix it is by contacting the certificate authority. Here is how to do it:

  1. Identify the certificate authority that issued the SSL certificate. You can do this by checking the certificate details in your browser or by contacting your web hosting provider.

  2. Contact the certificate authority and explain the issue you are experiencing. Provide them with the error message you are seeing and any other relevant details.

  3. The certificate authority will then guide you through the process of fixing the issue. This may involve reissuing the certificate, updating the certificate chain, or other actions.

  4. Once the issue has been resolved, install the updated SSL certificate on your server. This may involve uploading the certificate file and updating your server configuration.

Here is an example of how to contact the certificate authority using Python:

import requests

url = "https://example.com"

response = requests.get(url)

if response.status_code == 400:
    # Replace with the email address or contact form of the certificate authority
    contact_url = "https://example.com/contact"
    message = "I am experiencing a 400 Bad Request error due to an SSL certificate issue. Can you please assist me in resolving this issue?"
    
    # Send a message to the certificate authority
    response = requests.post(contact_url, data={"message": message})

In this example, we use the Python requests library to make a request to the website and check if it returns a 400 Bad Request error. If it does, we then send a message to the certificate authority using a contact form or email address.

Note that the exact process of contacting the certificate authority may vary depending on the provider and the type of SSL certificate you have. Be sure to follow their instructions carefully to ensure a successful resolution of the issue.

Источник


0

2

nginx 1.6.2, самоподписанные сертификаты сервера и клиента, openssl проверку проходят:

$ openssl verify -CAfile server/server.crt client01.crt 
client01.crt: C = RU, ST = Moscow, L = Moscow, O = Companyname, OU = User, CN = etc, emailAddress = support@site.com
error 18 at 0 depth lookup:self signed certificate
OK

А при запросе nginx отвечает ошибкой 400 The SSL certificate error

В логах сервера: 

2016/04/22 11:16:20 [info] 1465#0: *35 client SSL certificate verify error: (18:self signed certificate) wh
ile reading client request headers, client: 192.168.2.11, server: _, request: "GET /test HTTP/1.1", host: "
192.168.2.6"                                                                                               
2016/04/22 11:16:20 [debug] 1465#0: *35 http finalize request: 495, "/test?" a:1, c:1                      
2016/04/22 11:16:20 [debug] 1465#0: *35 event timer del: 8: 1461313040230                                  
2016/04/22 11:16:20 [debug] 1465#0: *35 http special response: 495, "/test?"                               
2016/04/22 11:16:20 [debug] 1465#0: *35 http set discard body                                              
2016/04/22 11:16:20 [debug] 1465#0: *35 echo header filter, uri "/test?"                                   
2016/04/22 11:16:20 [debug] 1465#0: *35 xslt filter header                                                 
2016/04/22 11:16:20 [debug] 1465#0: *35 posix_memalign: 0000000001F02580:4096 @16                          
2016/04/22 11:16:20 [debug] 1465#0: *35 HTTP/1.1 400 Bad Request

Настройки nginx: 

server {
    listen 443 ssl;
    listen [::]:443 ssl;

    ssl on;
    ssl_certificate /etc/nginx/ssl/server.crt;
    ssl_certificate_key /etc/nginx/ssl/server.nopass.key;
    ssl_client_certificate /etc/nginx/ssl/ca.crt;
    ssl_verify_client on;

    location {
        proxy_pass  http://192.168.2.6:9080;
    }
}

Я правильно понимаю, что серверу не нравится то, что сертификат самоподписанный? Как разрешить?

Источник

I am trying to configure two-way SSL with SSL certs (for server and client) signed by Intermediate CAs. This is what I have done so far following this tutorial.

Server — nginx application

Nginx is configured with SSL certificate (signed by an Intermediate CA).

server {
  listen 443;
  server_name app-ca.test.com;
  ssl on;

  ssl_certificate /root/ca/intermediate/certs/app-plus-intermediate.pem;
  ssl_certificate_key /root/ca/intermediate/private/app-ca-interm-ca.test.com.key.pem;
  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
  ssl_ciphers  HIGH:!aNULL:!MD5;
  ssl_prefer_server_ciphers   on;

  # I have also tried adding the Intermediate CA cert in vain
  # ssl_client_certificate /root/client_rootca_intermediate.crt;
  ssl_client_certificate /root/client_rootca.crt;
  ssl_verify_client on;

  location / {
      root /usr/share/nginx/massl;
      index index.html index.htm;
  }
}

Client — curl or OpenSSL s_client

I have a client certificate signed by some other Intermediate CA, which fails with 400 The SSL certificate error

I have also tried to pass (-cert option in openssl command) Client’s Intermediate CA and Root CA along with the client certificate in vain.

$ cat /root/ca/intermediate/certs/client.cert.pem /root/ca/intermediate/certs/intermediate.cert.pem > /root/ca/intermediate/certs/client_plus_intermediate.cert.pem

$ cat /root/ca/intermediate/certs/client.cert.pem /root/ca/intermediate/certs/intermediate.cert.pem > /root/ca/intermediate/certs/intermediate_plus_client.cert.pem

$ cat /root/ca/intermediate/certs/client.cert.pem /root/ca/intermediate/certs/intermediate.cert.pem /root/ca/certs/ca.cert.pem > /root/ca/intermediate/certs/client_plus_intermediate_plus_ca.cert.pem

Short Error Logs

<html>
<head><title>400 The SSL certificate error</title></head>
<body bgcolor="white">
<center><h1>400 Bad Request</h1></center>
<center>The SSL certificate error</center>
<hr><center>nginx/1.13.5</center>
</body>
</html>

Long Error Logs

I have shortened the longs hashes for brevity.

$ openssl s_client -connect app-ca.test.com:443 -tls1 -key /root/ca/intermediate/private/client.key.pem -cert /root/ca/intermediate/certs/client.cert.pem -CAfile /root/server_rootca.crt -state -debug
CONNECTED(00000003)
SSL_connect:before/connect initialization
write to 0x2239a90 [0x226e3c3] (181 bytes => 181 (0xB5))
0000 - 16 03 01 00 b0 01 00 00-ac 03 01 16 ed fa 81 3e   ...............>
0010 - fc 25 c1 55 73 8a ca 5f-d3 56 11 a6 0f 38 6e 3c   .%.Us.._.V...8n<
0020 - 52 fb 1f 9b fb 4f 4f 3e-5a fb 82 00 00 64 c0 14   R....OO>Z....d..
0090 - 00 ff 01 00 00 1f 00 0b-00 04 03 00 01 02 00 0a   ................
00a0 - 00 0a 00 08 00 17 00 19-00 18 00 16 00 23 00 00   .............#..
00b0 - 00 0f 00 01 01                                    .....
SSL_connect:SSLv3 write client hello A
read from 0x2239a90 [0x2269e73] (5 bytes => 5 (0x5))
0000 - 16 03 01 00 42                                    ....B
read from 0x2239a90 [0x2269e78] (66 bytes => 66 (0x42))
0000 - 02 00 00 3e 03 01 6f e5-89 1d bd 5a 58 26 d7 11   ...>..o....ZX&..
0010 - 8a 05 fd 2a 04 96 58 2e-2e 19 a7 89 46 a0 5b 21   ...*..X.....F.[!
0020 - c3 90 1c 3e 0b e6 00 c0-14 00 00 16 ff 01 00 01   ...>............
0030 - 00 00 0b 00 04 03 00 01-02 00 23 00 00 00 0f 00   ..........#.....
0040 - 01 01                                             ..
SSL_connect:SSLv3 read server hello A
read from 0x2239a90 [0x2269e73] (5 bytes => 5 (0x5))
0000 - 16 03 01 0c ab                                    .....
read from 0x2239a90 [0x2269e78] (3243 bytes => 3243 (0xCAB))
0000 - 0b 00 0c a7 00 0c a4 00-06 64 30 82 06 60 30 82   .........d0..`0.

0c90 - 5f b6 c7 86 5d 41 b3 fb-9c fe d3 0a 26 01 f9 d9   _...]A......&...
0ca0 - a6 ae 7f ff 4f c7 0b e8-97 b3 1c                  ....O......
depth=2 C = GB, ST = England, L = Melbourne, O = Alice Ltd, OU = IT Services, CN = server-and-ca.test.com, emailAddress = root@server-and-ca.test.com
verify return:1
depth=1 C = GB, ST = England, O = Alice Ltd, OU = Shared Services, CN = server-and-interm-ca.test.com, emailAddress = root@server-and-interm-ca.test.com
verify return:1
depth=0 C = US, ST = California, L = Mountain View, O = Alice Ltd, OU = Alice Ltd Web Services, CN = app-ca-interm-ca.test.com, emailAddress = root@app-ca-interm-ca.test.com
verify return:1
SSL_connect:SSLv3 read server certificate A
read from 0x2239a90 [0x2269e73] (5 bytes => 5 (0x5))
0000 - 16 03 01 01 4b                                    ....K
read from 0x2239a90 [0x2269e78] (331 bytes => 331 (0x14B))
0000 - 0c 00 01 47 03 00 17 41-04 13 5d 81 04 36 18 e7   ...G...A..]..6..
0010 - da bf 5e 30 dd d8 ee 77-f9 56 aa 77 8b 9e cd 3e   ..^0...w.V.w...>.
0110 - d1 82 65 0f 5d 9c 03 ba-5f 7f 62 33 a8 a6 62 8e   ..e.]..._.b3..b.
0120 - f2 5c 03 1d 4d 47 04 16-cb 80 09 39 32 be ca 23   ...MG.....92..#
0130 - 41 95 36 a6 4b 6b f0 6c-df a5 4b 26 d4 4a c5 f3   A.6.Kk.l..K&.J..
0140 - 99 0d c8 d8 aa 5d f8 88-86 b3 15                  .....].....
SSL_connect:SSLv3 read server key exchange A
read from 0x2239a90 [0x2269e73] (5 bytes => 5 (0x5))
0000 - 16 03 01 00 bc                                    .....
read from 0x2239a90 [0x2269e78] (188 bytes => 188 (0xBC))
0000 - 0d 00 00 b4 03 01 02 40-00 ae 00 ac 30 81 a9 31   .......@....0..1
0010 - 0b 30 09 06 03 55 04 06-13 02 47 42 31 10 30 0e   .0...U....GB1.0.
0090 - 06 09 2a 86 48 86 f7 0d-01 09 01 16 1b 72 6f 6f   ..*.H........roo
00a0 - 74 40 63 6c 69 65 6e 74-2d 61 6e 64 2d 63 61 2e   t@client-and-ca.
00b0 - 74 65 73 74 2e 63 6f 6d-0e                        test.com.
00bc - <SPACES/NULS>
SSL_connect:SSLv3 read server certificate request A
SSL_connect:SSLv3 read server done A
write to 0x2239a90 [0x2273910] (1593 bytes => 1593 (0x639))
0000 - 16 03 01 06 34 0b 00 06-30 00 06 2d 00 06 2a 30   ....4...0..-..*0
0010 - 82 06 26 30 82 04 0e a0-03 02 01 02 02 02 10 00   ..&0............
05f0 - 29 2a 6c 40 d1 ed 8f 6d-15 b2 cd 6a 7b 72 30 91   )*l@...m...j{r0.
0600 - ea 29 16 48 f2 11 21 15-3a 50 32 8b 95 87 b8 09   .).H..!.:P2.....
0610 - 11 84 9a a4 d2 b8 46 33-7a a2 79 51 ba 23 8c 96   ......F3z.yQ.#..
0620 - 45 62 2e b9 f5 ea 23 79-53 e0 cb 72 1f e6 19 d4   Eb....#yS..r....
0630 - 75 18 a8 2e 44 2f f3 8b-a7                        u...D/...
SSL_connect:SSLv3 write client certificate A
write to 0x2239a90 [0x2273910] (75 bytes => 75 (0x4B))
0000 - 16 03 01 00 46 10 00 00-42 41 04 b9 b3 02 d2 bc   ....F...BA......
0010 - e2 8b 49 a7 f6 8c 59 66-fc 0e 39 79 c7 23 34 e9   ..I...Yf..9y.#4.
0020 - 3e 04 98 3a 60 78 1d aa-51 06 46 80 09 10 c4 7e   >..:`x..Q.F....~
0030 - a5 e7 05 d1 82 f2 0d bb-9a ca e7 29 01 0b 88 6d   ...........)...m
0040 - ed c3 52 73 b1 d4 3a 95-00 e8                     ..Rs..:...
004b - <SPACES/NULS>
SSL_connect:SSLv3 write client key exchange A
write to 0x2239a90 [0x2273910] (267 bytes => 267 (0x10B))
0000 - 16 03 01 01 06 0f 00 01-02 01 00 5e 29 8e 7c 69   ...........^).|i
0010 - 1e 10 0d 01 39 35 db 18-7e 4a a7 12 ae 12 7e f0   ....95..~J....~.
0020 - d6 93 c5 0a ba 5d e4 f1-a4 ae 8f c4 7d 52 80 16   .....]......}R..
00f0 - 6f 1f 56 73 bc ab 7f 07-1d f7 b4 ec d7 58 57 cd   o.Vs.........XW.
0100 - cd e0 37 b3 58 09 3a 75-93 02 ab                  ..7.X.:u...
SSL_connect:SSLv3 write certificate verify A
write to 0x2239a90 [0x2273910] (6 bytes => 6 (0x6))
0000 - 14 03 01 00 01 01                                 ......
SSL_connect:SSLv3 write change cipher spec A
write to 0x2239a90 [0x2273910] (53 bytes => 53 (0x35))
0000 - 16 03 01 00 30 24 90 78-08 d3 10 f3 f8 e3 c8 86   ....0$.x........
0010 - 82 f1 54 d1 38 7b 57 7b-83 a3 49 b9 3b 80 b2 86   ..T.8{W{..I.;...
0020 - 54 74 92 ec 9a a7 e7 28-1a ec 72 4c 64 8e f3 e3   Tt.....(..rLd...
0030 - 08 96 89 2a 03                                    ...*.
SSL_connect:SSLv3 write finished A
SSL_connect:SSLv3 flush data
read from 0x2239a90 [0x2269e73] (5 bytes => 5 (0x5))
0000 - 16 03 01 06 ea                                    .....
read from 0x2239a90 [0x2269e78] (1770 bytes => 1770 (0x6EA))
0000 - 04 00 06 e6 00 00 01 2c-06 e0 09 8d 58 07 45 c9   .......,....X.E.
0010 - 58 49 42 f4 13 00 47 12-be 22 a2 e3 a0 b6 22 bd   XIB...G.."....".
06d0 - a1 11 26 db 43 c8 6e 47-2f 40 65 61 e1 4e ef 0a   ..&.C.nG/@ea.N..
06e0 - 57 e0 28 19 2d 0d c6 7f-ae 2e                     W.(.-.....
SSL_connect:SSLv3 read server session ticket A
read from 0x2239a90 [0x2269e73] (5 bytes => 5 (0x5))
0000 - 14 03 01 00 01                                    .....
read from 0x2239a90 [0x2269e78] (1 bytes => 1 (0x1))
0000 - 01                                                .
read from 0x2239a90 [0x2269e73] (5 bytes => 5 (0x5))
0000 - 16 03 01 00 30                                    ....0
read from 0x2239a90 [0x2269e78] (48 bytes => 48 (0x30))
0000 - 7d 5f 53 a4 5e 85 67 67-8d 6c d6 6e 93 cd c6 75   }_S.^.gg.l.n...u
0010 - c1 83 17 d9 a8 e3 89 23-86 6b 8a 04 2d 46 7e 95   .......#.k..-F~.
0020 - 15 46 a4 ec 73 f3 3d 78-1b 0e 94 62 79 cf 96 3d   .F..s.=x...by..=
SSL_connect:SSLv3 read finished A
---
Certificate chain
 0 s:/C=US/ST=California/L=Mountain View/O=Alice Ltd/OU=Alice Ltd Web Services/CN=app-ca-interm-ca.test.com/emailAddress=root@app-ca-interm-ca.test.com
   i:/C=GB/ST=England/O=Alice Ltd/OU=Shared Services/CN=server-and-interm-ca.test.com/emailAddress=root@server-and-interm-ca.test.com
 1 s:/C=GB/ST=England/O=Alice Ltd/OU=Shared Services/CN=server-and-interm-ca.test.com/emailAddress=root@server-and-interm-ca.test.com
   i:/C=GB/ST=England/L=Melbourne/O=Alice Ltd/OU=IT Services/CN=server-and-ca.test.com/emailAddress=root@server-and-ca.test.com
---
Server certificate
-----BEGIN CERTIFICATE-----
MIIGYDCCBEigAwIBAgICEAAwDQYJKoZIhvcNAQELBQAwgagxCzAJBgNVBAYTAkdC
MRAwDgYDVQQIDAdFbmdsYW5kMRIwEAYDVQQKDAlBbGljZSBMdGQxGDAWBgNVBAsM
zBcik+fj+MUtDzhEl6EuW1ILjAvt5u4KBxj6d0yAXzleACOYncYWWzMfQdrFmwKh
W2opZQ==
-----END CERTIFICATE-----
subject=/C=US/ST=California/L=Mountain View/O=Alice Ltd/OU=Alice Ltd Web Services/CN=app-ca-interm-ca.test.com/emailAddress=root@app-ca-interm-ca.test.com
issuer=/C=GB/ST=England/O=Alice Ltd/OU=Shared Services/CN=server-and-interm-ca.test.com/emailAddress=root@server-and-interm-ca.test.com
---
Acceptable client certificate CA names
/C=GB/ST=England/L=Sydney/O=Something/OU=Shared Services/CN=client-and-ca.test.com/emailAddress=root@client-and-ca.test.com
Client Certificate Types: RSA sign, DSA sign, ECDSA sign
Server Temp Key: ECDH, P-256, 256 bits
---
SSL handshake has read 5682 bytes and written 2175 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-SHA
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1
    Cipher    : ECDHE-RSA-AES256-SHA
    Session-ID: 2AF7BFD60D3EC4686EAAAE1971FBD8999E65C5C80A32182CB9A668B1411DB09C
    Session-ID-ctx:
    Master-Key: B3F714B4ACB61C6310311025B25AFBAFA9E9AAEBB5ACD5FEEAE5DCAE2690DECBFA4EC5CBD2C8A50F349F43026CD0C564
    Key-Arg   : None
    Krb5 Principal: None
    PSK identity: None
    PSK identity hint: None
    TLS session ticket lifetime hint: 300 (seconds)
    TLS session ticket:
    0000 - 09 8d 58 07 45 c9 58 49-42 f4 13 00 47 12 be 22   ..X.E.XIB...G.."
    0010 - a2 e3 a0 b6 22 bd 0d 71-c9 46 bd ab 84 85 06 f7   ...."..q.F......
    06b0 - 66 76 1f 3e 49 23 dc 2b-be 9e d5 03 b8 a5 a1 7d   fv.>I#.+.......}
    06c0 - 4d 56 79 3f 81 78 a1 11-26 db 43 c8 6e 47 2f 40   MVy?.x..&.C.nG/@
    06d0 - 65 61 e1 4e ef 0a 57 e0-28 19 2d 0d c6 7f ae 2e   ea.N..W.(.-.....

    Start Time: 1506251677
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
---
GET / HTTP/1.0
write to 0x2239a90 [0x226e3c6] (90 bytes => 90 (0x5A))
0000 - 17 03 01 00 20 ca 44 95-8c a0 32 52 4d da d8 02   .... .D...2RM...
0010 - db bd 97 88 0e e3 cb b9-9e fb 50 7e 71 24 37 83   ..........P~q$7.
0020 - f8 48 03 a0 a1 17 03 01-00 30 db 99 b2 0c 6c e6   .H.......0....l.
0030 - f4 25 3d 54 2f b1 a3 3c-be 2a 36 94 6c ce 6d 8d   .%=T/..<.*6.l.m.
0040 - 3d 54 82 d3 f0 2a 40 3d-fc 3f 1b 3e 4a 40 10 e5   =T...*@=.?.>J@..
0050 - 1d eb ab 00 69 f1 e0 4a-27 47                     ....i..J'G

write to 0x2239a90 [0x226e3c6] (74 bytes => 74 (0x4A))
0000 - 17 03 01 00 20 95 06 3d-51 d5 7c c2 05 ef a7 d6   .... ..=Q.|.....
0010 - 2b 25 9c dd ec 5f 7c c0-15 83 c6 ca ea 47 a1 b2   +%..._|......G..
0020 - 82 2d 46 7d 64 17 03 01-00 20 3b 2e 36 63 10 b3   .-F}d.... ;.6c..
0030 - 50 c7 ec 36 a4 27 a0 4d-db bb 83 b5 c6 e8 d5 fa   P..6.'.M........
0040 - ca 76 dc e7 63 8f 94 b3-24 3f                     .v..c...$?
read from 0x2239a90 [0x2269e73] (5 bytes => 5 (0x5))
0000 - 17 03 01 01 a0                                    .....
read from 0x2239a90 [0x2269e78] (416 bytes => 416 (0x1A0))
0000 - a6 8b c1 bb a4 aa 12 2e-81 d9 45 41 74 0e 33 a4   ..........EAt.3.
0190 - 37 be 58 ca 01 80 fc 7c-79 2b 3f 54 a4 cd 4a 07   7.X....|y+?T..J.
HTTP/1.1 400 Bad Request
Server: nginx/1.13.5
Date: Sun, 24 Sep 2017 11:14:49 GMT
Content-Type: text/html
Content-Length: 231
Connection: close

<html>
<head><title>400 The SSL certificate error</title></head>
<body bgcolor="white">
<center><h1>400 Bad Request</h1></center>
<center>The SSL certificate error</center>
<hr><center>nginx/1.13.5</center>
</body>
</html>
read from 0x2239a90 [0x2269e73] (5 bytes => 5 (0x5))
0000 - 15 03 01                                          ...
0005 - <SPACES/NULS>
read from 0x2239a90 [0x2269e78] (32 bytes => 32 (0x20))
0000 - c3 75 ba 40 21 83 f7 0e-11 98 7b 44 84 bb 23 d5   .u.@!.....{D..#.
0010 - 80 32 1e 3e b6 b7 dd 4a-16 09 31 e9 62 a9 cd a3   .2.>...J..1.b...
SSL3 alert read:warning:close notify
closed
write to 0x2239a90 [0x226e3c3] (37 bytes => 37 (0x25))
0000 - 15 03 01 00 20 bd 18 f2-df 1b 84 fc 8e e0 80 a1   .... ...........
0010 - 2f 6f 31 b4 4c fc 1c e5-36 1f c5 fb 5d c0 f8 dc   /o1.L...6...]...
0020 - 19 6b 03 c3 2d                                    .k..-
SSL3 alert write:warning:close notify

Interestingly, the above command works fine if I use certificates of Client’s Root CA or Client’s Intermediate CA.

Источник

Ошибка 400 Bad Request возникает, когда сервер не может понять запрос, отправленный клиентом. В вашем случае это может быть связано с тем, что настройки сервера не соответствуют запросу.

Судя по коду из вашего nginx.conf, вы пытаетесь перенаправить HTTP-запросы на HTTPS-порт с помощью rewrite. Однако вместо этого запросы на порт 8080 проксируются на другой сервер.

Для исправления проблемы с ошибкой 400 вам нужно изменить ваш nginx.conf, чтобы он правильно перенаправлял HTTP-запросы на HTTPS-порт.

Примерно так должно выглядеть ваш nginx.conf:

server {
    listen 80;
    server_name example.com;
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl;
    server_name example.com;

    ssl_certificate /etc/letsencrypt/live/example.com/cert.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;

    location / {
        root /var/www/example.com/;
        index index.html;
    }

    location /server/ {
        resolver 00.000.000.00;
        proxy_pass https://00.000.000.00;
    }
}

Этот конфигурационный файл перенаправляет все запросы на порт 80 (HTTP) на порт 443 (HTTPS) с помощью return 301. Затем он обрабатывает запросы на порт 443 (HTTPS), предоставляя файлы из каталога /var/www/example.com/ для пути / и проксируя запросы на путь /server/ на другой сервер.

Убедитесь, что после внесения изменений вы перезапустили сервер NGINX с помощью команды
sudo systemctl restart nginx.

Источник

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