Something up with sshd? Suddenly I see l ... / 2009-11-07

Something up with sshd? Suddenly I see log entries (formatted for readability) like:

Nov  7 11:14:25 greenblatt sshd[5670]: Bad protocol version identification 'yJ
\316F\306J\226{B\247pvO\030B\330\332\352\257\337:\346\272h^\221\310\215\256C-
\253K\264l\265\320)\022\342\376\221\001?5\343\324\254\304\270\264FB\244#&tX
\3413\332m\352=\327\266\216\333\baZ<\006\267\243\236\214\217@:\021\273/vx\211
\313\362' from 220.225.222.226

I dislike seeing stuff like this.