> > > -v -2' " into /etc/profile, then chmod 0000 /usr/bin/rsh, rlogin, etc.
> >
> > V2 protocol is incredibly slow, even with default keysize.
> > i always set Protocol=1,2 in sshd.conf and ssh.conf
>
> The v1 protocol is insecure. I recommend against people ever using it

could you say more?

> if they can help it.
>
> The v2 protocol is in no way inherently slower than v1. If it is
> slower for you, you're doing something wrong.

ssh'ing with -2 with RSA/DSA takes lot of time. then it works normal