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Telnet to Localhost but not Server IP

 
 
=?Utf-8?B?QnJlbnQgQm9ydG5pY2s=?=
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      01-19-2005, 05:05 PM
I am able to telnet to my mail server using:

telnet localhost 25

but cannot telnet to the mail server using the servers IP:

telnet 192.168.0.1 25

Does anyone have any idea why I cannot access the mail server this way.
Server OS = Windows 2003 and Mailserver = Mailmax 5.5.

Thanks for any help or ideas.

Brent Bortnick
 
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Miha Pihler [MVP]
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      01-19-2005, 05:12 PM
Hi Brent,

what is the error that you get? Access denied, timeout, ...? If you run

netstat -an

do you see IP address 192.168.0.1 listening on TCP port 25'

Do you have personal firewall enabled on Windows 2003?

--
Mike
Microsoft MVP - Windows Security

"Brent Bortnick" <(E-Mail Removed)> wrote in message
news:29395AE2-BB4D-44CB-97E9-(E-Mail Removed)...
>I am able to telnet to my mail server using:
>
> telnet localhost 25
>
> but cannot telnet to the mail server using the servers IP:
>
> telnet 192.168.0.1 25
>
> Does anyone have any idea why I cannot access the mail server this way.
> Server OS = Windows 2003 and Mailserver = Mailmax 5.5.
>
> Thanks for any help or ideas.
>
> Brent Bortnick



 
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      01-19-2005, 05:21 PM
The error when trying to telnet to IP is: Could not open connection to the
host, on port 25: Connection failed

I ran netstat -an and port 25 is open for the localhost but not for the
192.168.0.1. Thats interesting why would the localhost be open but not the
actual IP.

I am not running any personal firewall on the server but I do have a netopia
firewall for external access.



"Miha Pihler [MVP]" wrote:

> Hi Brent,
>
> what is the error that you get? Access denied, timeout, ...? If you run
>
> netstat -an
>
> do you see IP address 192.168.0.1 listening on TCP port 25'
>
> Do you have personal firewall enabled on Windows 2003?
>
> --
> Mike
> Microsoft MVP - Windows Security
>
> "Brent Bortnick" <(E-Mail Removed)> wrote in message
> news:29395AE2-BB4D-44CB-97E9-(E-Mail Removed)...
> >I am able to telnet to my mail server using:
> >
> > telnet localhost 25
> >
> > but cannot telnet to the mail server using the servers IP:
> >
> > telnet 192.168.0.1 25
> >
> > Does anyone have any idea why I cannot access the mail server this way.
> > Server OS = Windows 2003 and Mailserver = Mailmax 5.5.
> >
> > Thanks for any help or ideas.
> >
> > Brent Bortnick

>
>
>

 
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Miha Pihler [MVP]
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      01-19-2005, 05:56 PM
If there is nothing listening on TCP port 25 on IP address 192.168.0.1 make
sure that your mail service (Mailmax) is running and has correct IP address
assigned...

--
Mike
Microsoft MVP - Windows Security

"Brent Bortnick" <(E-Mail Removed)> wrote in message
news:24AEDC24-6B12-4CE7-B3C6-(E-Mail Removed)...
> The error when trying to telnet to IP is: Could not open connection to the
> host, on port 25: Connection failed
>
> I ran netstat -an and port 25 is open for the localhost but not for the
> 192.168.0.1. Thats interesting why would the localhost be open but not the
> actual IP.
>
> I am not running any personal firewall on the server but I do have a
> netopia
> firewall for external access.
>
>
>
> "Miha Pihler [MVP]" wrote:
>
>> Hi Brent,
>>
>> what is the error that you get? Access denied, timeout, ...? If you run
>>
>> netstat -an
>>
>> do you see IP address 192.168.0.1 listening on TCP port 25'
>>
>> Do you have personal firewall enabled on Windows 2003?
>>
>> --
>> Mike
>> Microsoft MVP - Windows Security
>>
>> "Brent Bortnick" <(E-Mail Removed)> wrote in
>> message
>> news:29395AE2-BB4D-44CB-97E9-(E-Mail Removed)...
>> >I am able to telnet to my mail server using:
>> >
>> > telnet localhost 25
>> >
>> > but cannot telnet to the mail server using the servers IP:
>> >
>> > telnet 192.168.0.1 25
>> >
>> > Does anyone have any idea why I cannot access the mail server this way.
>> > Server OS = Windows 2003 and Mailserver = Mailmax 5.5.
>> >
>> > Thanks for any help or ideas.
>> >
>> > Brent Bortnick

>>
>>
>>



 
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=?Utf-8?B?QnJlbnQgQm9ydG5pY2s=?=
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      01-19-2005, 06:09 PM
Thanks Miha,

I found the there was a setting in Mailmax which needed to be set to open in
on the IP. Thank you very much for your help.

Regards,

Brent Bortnick

"Miha Pihler [MVP]" wrote:

> If there is nothing listening on TCP port 25 on IP address 192.168.0.1 make
> sure that your mail service (Mailmax) is running and has correct IP address
> assigned...
>
> --
> Mike
> Microsoft MVP - Windows Security
>
> "Brent Bortnick" <(E-Mail Removed)> wrote in message
> news:24AEDC24-6B12-4CE7-B3C6-(E-Mail Removed)...
> > The error when trying to telnet to IP is: Could not open connection to the
> > host, on port 25: Connection failed
> >
> > I ran netstat -an and port 25 is open for the localhost but not for the
> > 192.168.0.1. Thats interesting why would the localhost be open but not the
> > actual IP.
> >
> > I am not running any personal firewall on the server but I do have a
> > netopia
> > firewall for external access.
> >
> >
> >
> > "Miha Pihler [MVP]" wrote:
> >
> >> Hi Brent,
> >>
> >> what is the error that you get? Access denied, timeout, ...? If you run
> >>
> >> netstat -an
> >>
> >> do you see IP address 192.168.0.1 listening on TCP port 25'
> >>
> >> Do you have personal firewall enabled on Windows 2003?
> >>
> >> --
> >> Mike
> >> Microsoft MVP - Windows Security
> >>
> >> "Brent Bortnick" <(E-Mail Removed)> wrote in
> >> message
> >> news:29395AE2-BB4D-44CB-97E9-(E-Mail Removed)...
> >> >I am able to telnet to my mail server using:
> >> >
> >> > telnet localhost 25
> >> >
> >> > but cannot telnet to the mail server using the servers IP:
> >> >
> >> > telnet 192.168.0.1 25
> >> >
> >> > Does anyone have any idea why I cannot access the mail server this way.
> >> > Server OS = Windows 2003 and Mailserver = Mailmax 5.5.
> >> >
> >> > Thanks for any help or ideas.
> >> >
> >> > Brent Bortnick
> >>
> >>
> >>

>
>
>

 
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