SSL error routines SSL3 GET SERVER CERTIFICATE certificate verify failed

Question

I have a large number of file download links in a txt file  I am trying to write a python script to download all the files at once  but I end up with the following error   SSLError   Errno 1   ssl c 499  error 14090086 SSL routines SSL3 GET SERVER CERTIFICATE certificate verify failed    The file is being downloaded via intranet   I tried to download the file via browser and I got a pop up with some certificate  I tried to google it but didn t find a way to solve this

User · Answer

could also happen when your local time is off  e g  before certificate validation time   this was the case in my error

User · Answer

Got this same error recently in a python app using requests on ubuntu 14 04LTS  that I thought had been running fine  maybe it was and some update occurred   Doing the steps below fixed it for me   pip install --upgrade setuptools pip install -U requests security    Here is a reference  https   stackoverflow com a 39580231 996117

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Normally updating certifi and or the certifi cacert pem file would work   I also had to update my version of python   Vs  2 7 5 wasn t working because of how it handles SNI requests   Once you have an up to date pem file you can make your http request using   requests get url  verify   path to cacert pem

User · Answer

Experienced this myself when using requests   This is extremely insecure  use only as a last resort   See rdlowrey s comment    requests get  https   github com   verify True    Making that verify False  did the trick for me

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I ve experienced the same issue because of certifi library  Installing a different version helped me as well

User · Answer

The server certificate is invalid  either because it is signed by an invalid CA  internal CA  self signed       doesn t match the server s name or because it is expired   Either way  you need to find how to tell to the Python library that you are using that it must not stop at an invalid certificate if you really want to download files from this server

User · Answer

Got this issue today and after wandering for several hours just came to know that my server datetime was wrong   So first please check your server datetime before going so deep in this issue   also try doing   gt  gt  sudo update-ca-certificates

[python] SSL error : routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed

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