Twisted.conch Does Not Support Strong Key Exchange Algorithms (Yet?)
You’ve probably heard about a Logjam attack on Diffie-Hellman key exchange algorithm Here is a post by Jethro Beekman providing some details and suggessions on hardening your SSH server security.
Few days ago I’ve started playing around Twisted Python framework in general and Conch library which handles SSH connections in an event-based manner in particular.