ssh can not login

[ning luwen]

On Wed, Jun 16, 2010 at 2:40 PM, John D Lamb <J.D.Lamb at btinternet.com> wrote:
> On Wed, 2010-06-16 at 10:27 +0800, ning luwen wrote:
>
>> debug1: SSH2_MSG_KEXINIT sent
>> ****  here waiting a long time ******
>> Connection closed by ip_of_the_server.
>
> Try hunting for why ssh might hang after SSH2_MSG_KEXINIT sent or not
> find an SSH2_MSG_KEXINIT received message.

I really do not how to do this.
>
> My best guess is that the server has a firewall that is preventing you
> logging in. If it’s your server, make sure port 22 is open.

i have not installed any firewall yet.
and more i can ssh in use another computer which installed fedora.

i have tried ssh login from the ssh server itself , and login success.
tried to login from ips like 127.49.*.*, from ubuntu , can not  login,
                                                          from a
windows use software like putty, can not login
tried to login from ips like 202.115.*.*, from fedara, login success.

and all these machine can ping each other success.
>
> --
> JDL
>
>
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