ssh security

Dick Hoogendijk dick at
Fri Mar 18 07:12:55 PST 2005

On 18 Mar Bart Silverstrim wrote:
> On Mar 18, 2005, at 6:23 AM, Dick Hoogendijk wrote:
> >I log in from a remote windows computer on my school using PuTTY w/
> >ssh2. What I'd like to know is how *safe* is the login from this 
> >windows machine?
> >I would like to be able to login to my home computer without being
> >worried about some sneaky system operator at work (school) ;-)
> The SSH session, I believe, should be secure from sniffing (assuming 
> you're using protocol 2).
> If someone puts a keystroke logger on your windows machine, they will 
> get the password.
> If they put a hardware logger on your computer, they will get the data.
> If they are watching over your shoulder just as you misstype your 
> password as your username, you're probably in trouble.
> If someone is viewing your Windows desktop using remote monitoring 
> software (like a modified VNC), they'll see your session.
> If putty is trojaned, you're in trouble.
> If you're *really* paranoid about the connection, grab knoppix and use 
> it's ssh client to log in remotely.

OK, thank you and all others who responded so quickly. This summary is
very clear. I changed all passwords right when I came back home ;-)
Assuming bad news has not yet happened..

Maybe I'm paranoid but I'll go for knoppix next time. It's the safest
way to go as I understand now.

dick -- -- PGP/GnuPG key: F86289CE
++ Running FreeBSD 4.11 ++ FreeBSD 5.3
+ Nai tiruvantel ar vayuvantel i Valar tielyanna nu vilja

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