“no shared cipher” error with python and OpenSSL

Question

Server:

#!/usr/bin/env python

import SocketServer
import json
from OpenSSL import SSL
import os
import socket

TERMINATION_STRING = \"Done\"

CERTIFICATE_P         


        

Answer 1

One error is:

data += self.request.recv(1024).encode('utf-8').strip

that leads me to a

TypeError: cannot concatenate 'str' and 'builtin_function_or_method' objects

It should be:

data += self.request.recv(1024).encode('utf-8').strip()

That example works for me.

Got cert: 
Got cert: 

Tested with Stock 10.04 Ubuntu server and packages installed from apt-get.

python-openssl                    0.10-1
openssl                           0.9.8k-7ubuntu8
python                            2.6.5-0ubuntu1

You should check your certificate/CA, or test server with some simple script that list some available ciphers: https://superuser.com/questions/109213/is-there-a-tool-that-can-test-what-ssl-tls-cipher-suites-a-particular-website-of

Update 2:

In order to exclude some issues with certificates you could generate some CA and server/client certificates like in http://acs.lbl.gov/~boverhof/openssl_certs.html