Public bug reported: I installed letsencrypt with `apt-get install python-letsencrypt-apache` per the documentation on letsencrypt.org.
root@nautilus:~# letsencrypt --help Traceback (most recent call last): File "/usr/bin/letsencrypt", line 9, in <module> load_entry_point('letsencrypt==0.4.1', 'console_scripts', 'letsencrypt')() File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 542, in load_entry_point return get_distribution(dist).load_entry_point(group, name) File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2569, in load_entry_point return ep.load() File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2229, in load return self.resolve() File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2235, in resolve module = __import__(self.module_name, fromlist=['__name__'], level=0) File "/usr/lib/python2.7/dist-packages/letsencrypt/cli.py", line 30, in <module> from letsencrypt import account File "/usr/lib/python2.7/dist-packages/letsencrypt/account.py", line 15, in <module> from acme import messages File "/usr/lib/python2.7/dist-packages/acme/messages.py", line 4, in <module> from acme import challenges File "/usr/lib/python2.7/dist-packages/acme/challenges.py", line 10, in <module> import requests File "/usr/local/lib/python2.7/dist-packages/requests/__init__.py", line 53, in <module> from .packages.urllib3.contrib import pyopenssl File "/usr/local/lib/python2.7/dist-packages/requests/packages/urllib3/contrib/pyopenssl.py", line 62, in <module> ssl.PROTOCOL_SSLv3: OpenSSL.SSL.SSLv3_METHOD, AttributeError: 'module' object has no attribute 'PROTOCOL_SSLv3' nautilus[/etc/letsencrypt] fluffy$ lsb_release -rd Description: Ubuntu 16.04.1 LTS Release: 16.04 nautilus[/etc/letsencrypt] fluffy$ apt-cache policy letsencrypt letsencrypt: Installed: 0.4.1-1 Candidate: 0.4.1-1 Version table: *** 0.4.1-1 500 500 http://us.archive.ubuntu.com/ubuntu xenial/universe i386 Packages 100 /var/lib/dpkg/status ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: letsencrypt 0.4.1-1 Uname: Linux 4.5.5-x86_64-linode69 x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: i386 Date: Sun Oct 16 23:31:08 2016 PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: python-letsencrypt UpgradeStatus: Upgraded to xenial on 2016-07-31 (77 days ago) ** Affects: python-letsencrypt (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug i386 xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1634001 Title: Unable to launch letsencrypt process due to missing SSLv3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-letsencrypt/+bug/1634001/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs