Evaggelos Balaskas - System Engineer

The sky above the port was the color of television, tuned to a dead channel

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Feb
10
2022
the peculiar case of urllib2 in python2
Posted by ebal at 13:05:35 in

It’s been a while since I got my hands on python and I came across with an interesting issue of an internal check today, when upgrading an old Proxy Virtual Machine.

Certificate Verify Failed

Suddenly the internal python check was reporting

[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:727)

Python Version

python version before the upgrade was Python 2.7.12 , now is Python 2.7.17

According to the online python documentation:

Changed in version 2.7.9: cafile, capath, cadefault, and context were added.

So something has changed but in both versions the verification for self-signed CA should have the same behavior!

Going down the rabbit hole, seems the most relevant info is in here PEP-0476 but in both cases you have to import SSL

To see the entire article, click uppon article's title/link.
Thank you.
    Tag: python2, ssl
Jul
20
2014
apache Redirect permanent your web app to https
Posted by ebal at 12:27:15 in planet_Sysadmin

This is pretty simple to even document, but i need a reference point !



<VirtualHost 1.2.3.4:80>

        ServerName example.com
        Redirect permanent / https://example.com

</VirtualHost>

dont forget to create the https virtual host, something like that:


<VirtualHost 1.2.3.4:443>

        ServerName example.com

        S...
To see the entire article, click uppon article's title/link.
Thank you.
    Tag: apache, ssl, https
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