Ettercap has had this ability for months: $ cat etter.filter.ssh ############################################################################ # # # ettercap -- etter.filter -- filter chain file # # # [ snip ] ## # # This filter will substitute the SSH server response from SSH-1.99 to # SSH-1.51, so if the server supports both ssh1 and ssh2 we will force # it to use ssh1... ;) # server response : SSH-1.99 both ssh1 and ssh2 supported # SSH-1.51 only ssh1 supported ## [ snip ] http://ettercap.sf.net/ On Monday 22 July 2002 18:43, auto458545@hushmail.com wrote: > SSH Protocol Weakness Advisory > Monday, July 22 2002 > - rtm > > OK, here it is guys... I saw this today when I was looking at the newest > issue of phrack (59) and I discovered that an old little technique of SSH > man in the middle attacks I had been working on was now part of a Phrack > article....