You might find this thread of discussion useful http://seclists.org/incidents/2002/Dec/0000.html Gayathri Tim wrote:
I've recently noticed this in my logs: Oct 15 15:30:04 mysrv sshd[9563]: Bad protocol version identification 'POST /unauthenticated//..%01/..%01/..%01/..%01/..%01/..%01/.. %01/..%01/..%01/..%01/..%01/..%01/..%01' from 59.106.20.158 Oct 1 17:14:51 mysrv sshd[9915]: Bad protocol version identification '\377\364\377\375\006\377\364\377\375\006\377\364\377\375\006' from 84.58.87.123 Oct 1 17:15:13 airrocket sshd[11982]: Bad protocol version identification '' from 84.58.87.123 Did anyone else notice similar things? Does anyone know what vulnerability they are attacking? Thanks, -- Tim
