openssh
the openssh-server on debian7/ubuntu12.04 is too old and out of date. so now we replace and compile them from source.
In production, that‘s vital.
Here‘s download link.
http://pan.baidu.com/s/1qWyTfuG
SSH version 1 is weak,
SSH 2 is recommended.
What you say?
openssh6.7.deb download packed for debian7/ubuntu12.04 amd64
原文：http://www.cnblogs.com/spaceship9/p/4198083.html