Suppress InsecureRequestWarning Unverified HTTPS request is being made in Python2 6

Question

I am writing scripts in Python2 6 with use of pyVmomi and while using one of the connection methods   service instance   connect SmartConnect host args ip                                          user args user                                          pwd args password    I get the following warning    usr lib python2 6 site-packages requests packages urllib3 connectionpool py 734  InsecureRequestWarning  Unverified HTTPS request is being made  Adding certificate verification is strongly advised  See  https   urllib3 readthedocs org en latest security html   InsecureRequestWarning    What s interesting is that I do not have urllib3 installed with pip  but it s there in  usr lib python2 6 site-packages requests packages urllib3     I have tried as suggested here  import urllib3     urllib3 disable warnings     but that didn t change anything

User · Answer

For Python 2 7  Add the environment variable PYTHONWARNINGS as key and the corresponding value to be ignored like   os environ  PYTHONWARNINGS    ignore Unverified HTTPS request

User · Answer

For impatient  a quick way to disable python unverified HTTPS warning   export PYTHONWARNINGS  ignore Unverified HTTPS request

User · Answer

This is the answer in 2017  urllib3 not a part of requests anymore  import urllib3 urllib3 disable warnings urllib3 exceptions InsecureRequestWarning

User · Answer

That s probably useful for someone  who uses unittest  if imported modules use request library  To suppress warnings in requests  vendored urllib3  add warnings filterwarnings  ignore   message  Unverified HTTPS request    to setUp method in your testclass  i e  import unittest  warnings  class MyTests unittest TestCase            def setUp self           warnings filterwarnings  ignore   message  Unverified HTTPS request             all test methods here

User · Answer

You can disable any Python warnings via the PYTHONWARNINGS environment variable  In this case  you want   export PYTHONWARNINGS  ignore Unverified HTTPS request    To disable using Python code  requests  gt   2 16 0    import urllib3 urllib3 disable warnings urllib3 exceptions InsecureRequestWarning    For requests  lt  2 16 0  see original answer below   Original answer  The reason doing urllib3 disable warnings   didn t work for you is because it looks like you re using a separate instance of urllib3 vendored inside of requests   I gather this based on the path here   usr lib python2 6 site-packages requests packages urllib3 connectionpool py  To disable warnings in requests  vendored urllib3  you ll need to import that specific instance of the module   import requests from requests packages urllib3 exceptions import InsecureRequestWarning  requests packages urllib3 disable warnings InsecureRequestWarning

User · Answer

The HTTPS certificate verification security measure isn t something to be discarded light-heartedly  The Man-in-the-middle attack that it prevents safeguards you from a third party e g  sipping a virus in or tampering with or stealing your data  Even if you only intend to do that in a test environment  you can easily forget to undo it when moving elsewhere  Instead  read the relevant section on the provided link and do as it says  The way specific for requests  which bundles with its own copy of urllib3   as per CA Certificates     Advanced Usage     Requests 2 8 1 documentation   requests ships with its own certificate bundle  but it can only be updated together with the module  it will use  since requests v2 4 0  the certifi package instead if it s installed In a test environment  you can easily slip a test certificate into certifi as per how do I update root certificates of certifi    E g  if you replace its bundle with just your test certificate  you will immediately see it if you forget to undo that when moving to production   Finally  with today s government-backed global hacking operations like Tailored Access Operations and the Great Firewall of China that target network infrastructure  falling under a MITM attack is more probable than you think

User · Answer

Why not using pyvmomi original function SmartConnectNoSSL  They added this function on June 14  2016 and named it ConnectNoSSL  one day after they changed the name to SmartConnectNoSSL  use that instead of by passing the warning with unnecessary lines of code in your project      Provides a standard method for connecting to a specified server without SSL      verification  Useful when connecting to servers with self-signed certificates      or when you wish to ignore SSL altogether   service instance   connect SmartConnectNoSSL host args ip                                               user args user                                               pwd args password

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Warning message    venv lib python3 4 site-packages urllib3 connectionpool py 857  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   In Debian 8 this steps works  In python3 code  import urllib3 urllib3 disable warnings     Install two packages on Debian   libssl1 0 0 1 0 2l-1 bpo8 1 amd64 deb   libssl-dev 1 0 2l-1 bpo8 1 amd64 deb  debian mirror To build dependencies with new library  Create new venv for python project  python3 -m venv  venv source  venv bin activate  Clean Install modules under python project inside virtual environment by python3 -m pip install -e

User · Answer

I had a similar issue with PyVmomi Client  With Python Version 2 7 9  I have solved this issue with the following line of code   default sslContext   ssl  create unverified context   self client                     Client  lt vcenterip gt   username  lt username gt   password  lt passwd gt                          sslContext default sslContext     Note that  for this to work  you need Python 2 7 9 atleast

User · Answer

Suppress logs using standard python library  logging   Place this code on the top of your existing code import logging urllib3 logger   logging getLogger  urllib3   urllib3 logger setLevel logging CRITICAL

User · Answer

Per this github comment  one can disable urllib3 request warnings via requests in a 1-liner   requests packages urllib3 disable warnings    This will suppress all warnings though  not just InsecureRequest  ie it will also suppress InsecurePlatform etc    In cases where we just want stuff to work  I find the conciseness handy

User · Answer

The accepted answer doesn t work if some package vendors it s own copy of urllib3  in which case this will still work   import warnings  warnings filterwarnings  ignore   message  Unverified HTTPS request

[python] Suppress InsecureRequestWarning: Unverified HTTPS request is being made in Python2.6

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