title: "Ssl Disable Connect" # Title of the blog post. date: 2020-12-28T16:10:20+08:00 # Date of post creation.

description: "Article description." # Description used for search engine.

featured: true # Sets if post is a featured post, making appear on the home page side bar.

featureImage: "/images/path/file.jpg" # Sets featured image on blog post.

thumbnail: "/images/path/thumbnail.png" # Sets thumbnail image appearing inside card on homepage.

codeMaxLines: 10 # Override global value for how many lines within a code block before auto-collapsing.

codeLineNumbers: false # Override global value for showing of line numbers within code block.

figurePositionShow: true # Override global value for showing the figure label.

comment: false # Disable comment if false.

toc: true # Controls if a table of contents should be generated for first-level links automatically. categories:

bug tags:
ssl

Insert Lead paragraph here.

Question

$ curl https://...
curl: (35) error:1425F102:SSL routines:ssl_choose_client_version:unsupported protocol
$ python with_ssl_session.py
[DEBUG] SSL connection error occurred ('[SSL: WRONG_SSL_VERSION] wrong ssl version (_ssl.c:727)')
[DEBUG] SSL connection error occurred ('[Errno 0] Error')
[WARNING] can't establish SSL connection

Reason

Fixed

$ vim /etc/ssl/openssl.cnf

disable protocol minimum version constraints

[system_default_sect]
# MinProtocol = TLSv1.2