Python certificate verify failed self signed certificate in certificate chain

SSL: CERTIFICATE_VERIFY_FAILED certificate verify failed in Python

The error happens because the certificate being used by the server was not issued by a certificate authority (CA) included in the default list of trusted CAs used by the requests module. It is a self-signed certificate, so you either need to tell requests explicitly to trust that individual cert, or (preferably, if the server is under your control), get a certificate signed by one of the trusted CAs and make the server use that instead.

To trust only the exact certificate being used by the server, download it and instead of setting verify=False , set verify=»/path/to/cert.pem» , where cert.pem is the server certificate.

@SylwiaKrakowska see edits — the certificate is self-signed, so there is no separate CA bundle — you need to save the server certificate somewhere (you choose where) and tell requests where to find it.

@Phydeaux: I tried with verify = «C:/Users/XXX/AppData/Local/Programs/Python/Python38/Lib/test/cert.pem») but i run into next issue: raise IOError(«Could not find a suitable TLS CA certificate bundle, » OSError: Could not find a suitable TLS CA certificate bundle, invalid path . Can you help me on that?

Here are some more detailed instructions on creating the correct .pem file:

The following URL has instructions for downloading SSL certificates from a website using various browsers. You need to create a certificate-chain .pem file and for that you need to use Firefox. We will pretend that google.com was the website with which you were having difficulty. When you get to the Certificate page, you will see something like the following:

Читайте также:  overflow

enter image description here

In this example you can chose either GTS CA 101 or GlobalSIGN and then click on the PEM (chain) download link. This will create a file google-com-chain.pem in the directory of your choice.

Then wherever the source specified verify=False , replace it with `verify=’/path-to/google-com-chain.pem’

import request
response = requests.get(«url/api that you want to hit», verify=»path to ssl certificate»)

For me the problem was that none of the above answers completely helped me but gave me the right direction to look at.

For sure, SSL certificate is needed but when you are behind the company’s firewall then publicly available certificates might not help. You might need to reach out to the IT department of your company to obtain the certificate as each company uses special certificate from the security provider they have contracted the services from. And place it in a folder and pass the path to that folder as an argument to verify parameter.

For me even after trying all the above solutions and using the wrong certificate I was not able to make it work. So just remember for those who are behind company’s firewall to obtain the right certificate. It can make a difference between success and failure of your request call.

In my case I placed the certificate in the following path and it worked like magic.

C:\Program Files\Common Files\ssl

Источник

Как установить модули, если возникает ошибка?

WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)’))’: /simple/pyautogui/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)’))’: /simple/pyautogui/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)’))’: /simple/pyautogui/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)’))’: /simple/pyautogui/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)’))’: /simple/pyautogui/
Could not fetch URL https://pypi.org/simple/pyautogui/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host=’pypi.org’, port=443): Max retries exceeded with url: /simple/pyautogui/ (Caused by SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)’))) — skipping
ERROR: Could not find a version that satisfies the requirement PyAutoGUI (from versions: none)
ERROR: No matching distribution found for PyAutoGUI
Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host=’pypi.org’, port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)’))) — skipping

Ребят, как это исправить?Я даже pip обновить не могу, возникает ошибка

NeiroNx

Источник

Ошибка проверки сертификата SSLError python telebot при подключении через proxy

Работаю через корпоративную сеть, есть потребность написать телеграмм бота, пробовал различные библиотеки ( telebot, telepot, telegram, airogram ). Везде сталкиваюсь с проблемой доступа через корпоративный прокси. Сейчас остановился на telebot, подсунул прокси, теперь ошибка с проверкой сертификата. Пробовал использовать http, https, socks5, socks5h, socks4 успеха не принесло.

import telebot import json from telebot import apihelper with open('params.json', 'r', encoding='utf-8') as f: data = json.load(f) username = data['username'] password = data['password'] access_token_tg = data['access_token_tg'] bot = telebot.TeleBot(access_token_tg) apihelper.proxy = :@10.0.18.139:3131'> print(bot.get_me()) 
requests.exceptions.SSLError: HTTPSConnectionPool(host='api.telegram.org', port=443): Max retries exceeded with url: /мой токен тут/getMe (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)'))) 

Попробовал общаться через request с телегой, удалось подключиться, только после отключения проверки ssl session.verify = False . Но через запросы очень проблематично писать, собственно и библиотек для этого куча есть.

import pprint from requests.auth import HTTPProxyAuth import urllib3 import requests import json # читаем конфиг with open('params.json', 'r', encoding='utf-8') as f: data = json.load(f) username = data['username'] password = data['password'] access_token_tg = data['access_token_tg'] # создаем сессию для работы с ботом auth = HTTPProxyAuth(username, password) proxies = :@10.0.18.139:3131'> session = requests.Session() session.proxies = proxies session.auth = auth # отрубили проверку сертификата и варнинга urllib3.disable_warnings() session.verify = False MAIN_URL = f'https://api.telegram.org/bot' res = session.post(f'/getMe').json() pprint.pprint(res)``` Таким образом работает. Прошу помочь разобраться или может мануал или библу другую посоветовать, 2 неделю бьюсь с этим. 

Источник

SSL: CERTIFICATE_VERIFY_FAILED with Python3

I apologize if this is a silly question, but I have been trying to teach myself how to use BeautifulSoup so that I can create a few projects. I was following this link as a tutorial: https://www.youtube.com/watch?v=5GzVNi0oTxQ After following the exact same code as him, this is the error that I get:

Traceback (most recent call last): File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/urllib/request.py", line 1240, in do_open h.request(req.get_method(), req.selector, req.data, headers) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 1083, in request self._send_request(method, url, body, headers) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 1128, in _send_request self.endheaders(body) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 1079, in endheaders self._send_output(message_body) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 911, in _send_output self.send(msg) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 854, in send self.connect() File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 1237, in connect server_hostname=server_hostname) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/ssl.py", line 376, in wrap_socket _context=self) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/ssl.py", line 747, in __init__ self.do_handshake() File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/ssl.py", line 983, in do_handshake self._sslobj.do_handshake() File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/ssl.py", line 628, in do_handshake self._sslobj.do_handshake() ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:645) 
Traceback (most recent call last): File "WorldCup.py", line 3, in x = urllib.request.urlopen('https://www.google.com') File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/urllib/request.py", line 162, in urlopen return opener.open(url, data, timeout) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/urllib/request.py", line 465, in open response = self._open(req, data) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/urllib/request.py", line 483, in _open '_open', req) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/urllib/request.py", line 443, in _call_chain result = func(*args) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/urllib/request.py", line 1283, in https_open context=self._context, check_hostname=self._check_hostname) File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/urllib/request.py", line 1242, in do_open raise URLError(err) urllib.error.URLError:

Источник

Оцените статью