Adding certificate verification is strongly advised python

Requests — SSL Certification

SSL certificate is a security feature that comes with secure urls. When you use Requests library, it also verifies SSL certificates for the https URL given. SSL verification is enabled by default in the requests module and will throw an error if the certificate is not present.

Working with secure URL

Following is the example of working with secure URL −

Output

E:\prequests>python makeRequest.py [ < "id": 1, "name": "Leanne Graham", "username": "Bret", "email": "Sincere@april.biz", "address": < "street": "Kulas Light", "suite": "Apt. 556", "city": "Gwenborough", "zipcode": "92998-3874", "geo": < "lat": "-37.3159", "lng": "81.1496" >>, "phone": "1-770-736-8031 x56442", "website": "hildegard.org", "company": < "name": "Romaguera-Crona", "catchPhrase": "Multi-layered client-server neural-net", "bs": "harness real-time e-markets" >> ]

We are easily getting a response from the above https URL, and it is because the request module can verify the SSL certificate.

You can disable the SSL verification by simply adding verify=False as shown in the example below.

Example

import requests getdata = requests.get('https://jsonplaceholder.typicode.com/users', verify=False) print(getdata.text)

You will get the output, but it will also give a warning message that, the SSL certificate is not verified and adding certificate verification is advised.

Output

E:\prequests>python makeRequest.py connectionpool.py:851: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3 .readthedocs.io/en/latest/advanced-usage.htm l#ssl-warnings InsecureRequestWarning) [ < "id": 1, "name": "Leanne Graham", "username": "Bret", "email": "Sincere@april.biz", "address": < "street": "Kulas Light", "suite": "Apt. 556", "city": "Gwenborough", "zipcode": "92998-3874", "geo": < "lat": "-37.3159", "lng": "81.1496" >>, "phone": "1-770-736-8031 x56442", "website": "hildegard.org", "company": < "name": "Romaguera-Crona", "catchPhrase": "Multi-layered client-server neural-net", "bs": "harness real-time e-markets" >> ]

You can also verify SSL certificate by hosting it at your end, and giving the path using verify param as shown below.

Example

import requests getdata = requests.get('https://jsonplaceholder.typicode.com/users', verify='C:\Users\AppData\Local\certificate.txt') print(getdata.text)

Output

E:\prequests>python makeRequest.py [ < "id": 1, "name": "Leanne Graham", "username": "Bret", "email": "Sincere@april.biz", "address": < "street": "Kulas Light", "suite": "Apt. 556", "city": "Gwenborough", "zipcode": "92998-3874", "geo": < "lat": "-37.3159", "lng": "81.1496" >>, "phone": "1-770-736-8031 x56442", "website": "hildegard.org", "company": < "name": "Romaguera-Crona", "catchPhrase": "Multi-layered client-server neural-net", "bs": "harness real-time e-markets" >> ]

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Disable InsecureRequestWarning in Python

InsecureRequestWarning is a warning that occurs when a request is made without certificate verification. In Python, this warning happens for requests sent from requests and urllib libraries. By default, both libraries implement SSL verification to enable a secured connection.

Note: Sending requests without verification of certificates exposes you to security threats like man-in-the-middle attacks. It is best to avoid this method for scripts used at the production level or when sending and receiving personal data.

Here is a simple example of how we can reproduce the warning.

InsecureRequestWarning: Unverified HTTPS request is being made to host ‘api.github.com’. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html#ssl-warnings warnings.warn(

The request was sent successfully (shown by a status code of 200 on the response), but the requests library issues a warning that the HTTPS request is unverified. This is because we have verify=False.

We will discuss the following items regarding how to disable InsecureRequestWarning.

• Suppress InsecureRequestWarning in requests,
• Disable InsecureRequestWarning in the urllib package,
• Eliminate InsecureRequestWarning using the warnings package, and,
• Remove InsecureRequestWarning by explicitly issuing CA bundles for verification.

Suppress InsecureRequestWarning in requests

In this case, we need to add one line, as shown in the code snippet below. Once the warnings are disabled, we can send requests without SSL verification without requests giving InsecureRequestWarning.

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How to disable InsecureRequestWarning: Unverified HTTPS request is being made.

If you use requests or urllib3, requests with SSL verification disabled will print this warning:

/usr/local/lib/python3.6/dist-packages/urllib3/connectionpool.py:851: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings InsecureRequestWarning)

If you want to disable this warning and you can’t just enable verification, add this code

import urllib3 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

at the top of your Python file.

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InsecureRequestWarning Unverified HTTPS request is being made. Adding certificate verification is strongly advised #57

InsecureRequestWarning Unverified HTTPS request is being made. Adding certificate verification is strongly advised #57

Comments

InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
InsecureRequestWarning)

Please check if we can do something about this.

The text was updated successfully, but these errors were encountered:

@maethu is there a server where we could install and test if requests.head(‘https://whatever.com’, verify=’/path/to/certfile’) is working, where we have some data for the linkchecker and the cerfiles lie around?

InsecureRequestWarning
This happens when a request is made to an HTTPS URL without certificate verification enabled. Follow the certificate verification guide to resolve this warning.

ftw.linkchecker disables certificate verification and urllib3 (which is used or bundled by requests ) complains about it:

response = requests . head ( external_link_obj . link_target ,

timeout = timeout ,

headers = headers ,

allow_redirects = False ,

verify = False )

Why is certificate verification disabled in the first place?

Removing verify=False should remove the InsecureRequestWarning .

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