a problem with telnet

I installed Mandrake Linux 10.0 and I've enabled telnet, but when I try to
connect to the box I get "connection refused" and in /var/log/messages I
find "...libwrap refused connection to telnet (libwrap=telnet) from
xxx.xxx.xxx.xxx

Can someone help me?

Roberto

Roberto Sacchetti <(E-Mail Removed)> wrote:
> I installed Mandrake Linux 10.0 and I've enabled telnet, but when I try to
> connect to the box I get "connection refused" and in /var/log/messages I
> find "...libwrap refused connection to telnet (libwrap=telnet) from

Check /etc/hosts.allow and /etc/hosts.deny, maybe you don't allow any
connection at all. Question: why telnet instead of ssh?

Davide

--
| The trouble with being punctual is that people think you have nothing
| more important to do.
|
|

First (before the post) I only put

192.168.0.:ALLOW

in /etc/hosts.allow, but it didn't work, now I've turned

ALL:ALL EXCEPT 127.0.0.1ENY

in

ALL:ALL EXCEPT 127.0.0.1,192.168.0.ENY

in /etc/hosts.deny and it works. Thank you.

2nd question: I always used telnet, but I can use ssh also: what kind of
client can I run from windows clients?

Grazie.

Roberto

"Davide Bianchi" <(E-Mail Removed)> ha scritto nel messaggio
news:(E-Mail Removed)...
> Roberto Sacchetti <(E-Mail Removed)> wrote:
> > I installed Mandrake Linux 10.0 and I've enabled telnet, but when I try
to
> > connect to the box I get "connection refused" and in /var/log/messages I
> > find "...libwrap refused connection to telnet (libwrap=telnet) from
>
> Check /etc/hosts.allow and /etc/hosts.deny, maybe you don't allow any
> connection at all. Question: why telnet instead of ssh?
>
> Davide
>
> --
> | The trouble with being punctual is that people think you have nothing
> | more important to do.
> |
> |

I installed PuTTY as windows client for ssh, but it doesn't connect : in the
server side I get "...sshd[xxxx]: refused connect from ::ffff:192.168.0.159
(::ffff:192.168.0.159).
I'm watching /etc/ssh/sshd_conf but I haven't yet found the solution.

Roberto

"Davide Bianchi" <(E-Mail Removed)> ha scritto nel messaggio
news:(E-Mail Removed)...
> Roberto Sacchetti <(E-Mail Removed)> wrote:
> > I installed Mandrake Linux 10.0 and I've enabled telnet, but when I try
to
> > connect to the box I get "connection refused" and in /var/log/messages I
> > find "...libwrap refused connection to telnet (libwrap=telnet) from
>
> Check /etc/hosts.allow and /etc/hosts.deny, maybe you don't allow any
> connection at all. Question: why telnet instead of ssh?
>
> Davide
>
> --
> | The trouble with being punctual is that people think you have nothing
> | more important to do.
> |
> |

It's all ok, when I enabled ssh connections through the server's firewall it
added the "all deny" row in /etc/hosts.deny, and now I've restored the
functional version.

Roberto

"Davide Bianchi" <(E-Mail Removed)> ha scritto nel messaggio
news:(E-Mail Removed)...
> Roberto Sacchetti <(E-Mail Removed)> wrote:
> > I installed Mandrake Linux 10.0 and I've enabled telnet, but when I try
to
> > connect to the box I get "connection refused" and in /var/log/messages I
> > find "...libwrap refused connection to telnet (libwrap=telnet) from
>
> Check /etc/hosts.allow and /etc/hosts.deny, maybe you don't allow any
> connection at all. Question: why telnet instead of ssh?
>
> Davide
>
> --
> | The trouble with being punctual is that people think you have nothing
> | more important to do.
> |
> |

Roberto Sacchetti wrote:

> 2nd question: I always used telnet, but I can use ssh also: what kind of
> client can I run from windows clients?

PuTTY will use SSH or Telnet.
<http://www.chiark.greenend.org.uk/~sgtatham/putty/>

--
Matt



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On Thu, 08 Jul 2004 11:42:46 GMT, Roberto Sacchetti scribbled:

> It's all ok, when I enabled ssh connections through the server's firewall it
> added the "all deny" row in /etc/hosts.deny, and now I've restored the
> functional version.
>
> Roberto
>
> "Davide Bianchi" <(E-Mail Removed)> ha scritto nel messaggio
> news:(E-Mail Removed)...
>> Roberto Sacchetti <(E-Mail Removed)> wrote:
>>> I installed Mandrake Linux 10.0 and I've enabled telnet, but when I try
> to
>>> connect to the box I get "connection refused" and in /var/log/messages I
>>> find "...libwrap refused connection to telnet (libwrap=telnet) from
>>
>> Check /etc/hosts.allow and /etc/hosts.deny, maybe you don't allow any
>> connection at all. Question: why telnet instead of ssh?
>>
>> Davide
>>
>> --
>>| The trouble with being punctual is that people think you have nothing
>>| more important to do.
>>|
>>|

Good for you! Congrats!

BUT: don't forget to disable your telnetd server. It's very, very insecure!

Furthermore: it is generally considered good practice to make:

ALL: ALL

the only line in the /etc/hosts.deny file and specifying lines in
/etc/hosts.allow only for those hosts that you explicitly would like to
allow, I.E. :

# Allow everything from my local system
ALL: 127.0.0.1

# Allow everything from my internal network
ALL: 192.168.0.

# Allow everything from my trusted friend
ALL: 123.45.67.89

HTH, Gerard

--
GerardLinux ay tee filternet dee oo tee ann el

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