Thanks a lot, mails continue coming, but now I know what to do,
Snoop is a powerful tool for sysadmins, it does require root
privileges so users without root cannot run it.
It can be dangerous in the wrong hands, and priceless in
the right hands, such as sysadmins.
It is not a snoop bug but a weakness in any protocol that uses
plaintext passwords for authentication.
Using telnet, ftp, rlogin, rsh, etc. the possibility will
always exist for people to capture passwords passing in the network
as cleartext. Even imap and pop use plaintext.
we can find the solution
Secure Shell is the replacement for rsh, rlogin, rcp, telnet, rexec,
rcp and ftp. It encrypts all traffic, and provides various levels of
authentication depending on your needs. Main features of Secure Shell
include secure remote logins, file copying, and tunneling TCP and X11
X-windows, you might want to look into ssh-tunneling.
The advantage of ssh is that it encrypts all your traffic so
if someone uses snoop to capture all the packets when you log in as
they won't be able to decrypt them.
Kerberos is not mentioned as a real option to implement a
for plaintext passwords.
Almost any word of this summary is mine, thanks all who
specially thanks to
Rich Lafferty, Scott McCool, Rob Staab, Heiko Maiwald,
Michael Grice, Duncan Phillips, Terry Gardner,
Watson, Michael, Todd Wilkinson, Buddy Lumpkin,
Leonid Massarskiy, John T. Douglass, Rob McCauley,
Sugan Moodley, Michael Maciolek, David Craig,
P.D.- It was only an attempt to give the users permission to run
snoopy for a "Networking" class here, professor asked it.
My original post:
> Hi friends:
> In a lab with Solaris 2.6, snoop has been restricted
> because an administrator tested it and prove that this can
> catch passwords char by char. She tested it in Solaris 2.5.1
> I think Solaris security must be better than before,
> but what is your experience about it? Must I erase this
> file from each machine? Do you have any experience using snoop
> in University labs?
> Carlos Bernal
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