Mikkel L. Ellertson wrote:
Ritesh Yeole wrote:
Dear Sir,
I want to ssh to my client ,there is sonic-firewall .
In firewall static ip nat with server ip
Now i want to ssh it then it ask for password but when passwd put is
says=
[root@ndtest ~]# ssh ultra
root@ultra's password:
Permission denied, please try again.
root@ultra's password:
Permission denied, please try again.
root@ultra's password:
Permission denied (publickey).
=================[root@ndtest ~]# ssh raisoni
root@raisoni's password:
Permission denied, please try again.
root@raisoni's password:
Permission denied, please try again.
root@raisoni's password:
Permission denied (publickey,gssapi-with-mic,password).
[root@ndtest ~]#
Plz tell me what is difference between them and how it is solved.
Thanks
Ritesh
The default sshd setup does NOT allow root to log in. It is usually a
Really?
20:01 [summer@numbat ~]$ root 172.17.0.11
The authenticity of host '172.17.0.11 (172.17.0.11)' can't be established.
RSA key fingerprint is eb:68:48:61:00:9a:24:ce:81:51:ed:d9:82:b9:92:96.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '172.17.0.11' (RSA) to the list of known hosts.
root@xxxxxxxxxxx's password:
Last login: Thu Jan 31 06:01:38 2008
[root@localhost ~]#
That's a freshly-installed CentOS5 box. I don't imagine the CentOS folk
changed that.
bad idea to root logins from the Internet because it exposes the root
account to automated cracking attempts. If you must allow root logins
from the internet, at least limit it to using key pairs. If you can,
also limit it to connections for a specific IP address, or range of
addresses.
Rat-limiting with iptables is good. Blocking China. Japan, USA, Mexico
is good if you don't live there.
As others have said, it is better to log in as a normal user, and then
become root. It does not eliminate automated attacks, but it does make
them harder.
I limit ssh from most of the world to five/hour. It makes it dashed hard
to guess even a weak password.
--
Cheers
John
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