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I ran into a strange problem. My terminal server is only allowing 10 telnet connect to our Unix Server. After we reach ten connections the 11th telnet session starts, but


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Old 11-18-2008, 01:00 PM   #1
Jeff Viola
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limit number of telnet connections

I ran into a strange problem. My terminal server is only allowing 10 telnet
connect to our Unix Server. After we reach ten connections the 11th telnet
session starts, but then never gets a login. I get no error message from
Unix or Windows.

I thought it was the unix box, but I can telnet to it from other computers.
Once I disconnect the 10th connection another terminal server user can
connect. Is there a limit somewhere in the registry?
 
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Old 11-19-2008, 07:13 AM   #2
Jeff Pitsch
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Re: limit number of telnet connections

There is nothing in TS that would limit this functionality. I would
contact the vendor and see if they ahve a limit on TS.

Jeff Pitsch
Microsoft MVP - Terminal Services

Jeff Viola wrote:
> I ran into a strange problem. My terminal server is only allowing 10 telnet
> connect to our Unix Server. After we reach ten connections the 11th telnet
> session starts, but then never gets a login. I get no error message from
> Unix or Windows.
>
> I thought it was the unix box, but I can telnet to it from other computers.
> Once I disconnect the 10th connection another terminal server user can
> connect. Is there a limit somewhere in the registry?

 
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Old 11-19-2008, 07:27 AM   #3
Jeff Viola
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Re: limit number of telnet connections

Ok. Who is the vendor? Microsoft?

"Jeff Pitsch" wrote:

> There is nothing in TS that would limit this functionality. I would
> contact the vendor and see if they ahve a limit on TS.
>
> Jeff Pitsch
> Microsoft MVP - Terminal Services
>
> Jeff Viola wrote:
> > I ran into a strange problem. My terminal server is only allowing 10 telnet
> > connect to our Unix Server. After we reach ten connections the 11th telnet
> > session starts, but then never gets a login. I get no error message from
> > Unix or Windows.
> >
> > I thought it was the unix box, but I can telnet to it from other computers.
> > Once I disconnect the 10th connection another terminal server user can
> > connect. Is there a limit somewhere in the registry?

>

 
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Old 11-19-2008, 08:25 AM   #4
Jeff Pitsch
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Re: limit number of telnet connections

Your using the built-in telnet client?

Jeff Pitsch
Microsoft MVP - Terminal Services

Jeff Viola wrote:
> Ok. Who is the vendor? Microsoft?
>
> "Jeff Pitsch" wrote:
>
>> There is nothing in TS that would limit this functionality. I would
>> contact the vendor and see if they ahve a limit on TS.
>>
>> Jeff Pitsch
>> Microsoft MVP - Terminal Services
>>
>> Jeff Viola wrote:
>>> I ran into a strange problem. My terminal server is only allowing 10 telnet
>>> connect to our Unix Server. After we reach ten connections the 11th telnet
>>> session starts, but then never gets a login. I get no error message from
>>> Unix or Windows.
>>>
>>> I thought it was the unix box, but I can telnet to it from other computers.
>>> Once I disconnect the 10th connection another terminal server user can
>>> connect. Is there a limit somewhere in the registry?

 
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Old 11-19-2008, 08:33 AM   #5
Jeff Viola
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Re: limit number of telnet connections

We have been testing with MS telnet client.

Jeff

"Jeff Pitsch" wrote:

> Your using the built-in telnet client?
>
> Jeff Pitsch
> Microsoft MVP - Terminal Services
>
> Jeff Viola wrote:
> > Ok. Who is the vendor? Microsoft?
> >
> > "Jeff Pitsch" wrote:
> >
> >> There is nothing in TS that would limit this functionality. I would
> >> contact the vendor and see if they ahve a limit on TS.
> >>
> >> Jeff Pitsch
> >> Microsoft MVP - Terminal Services
> >>
> >> Jeff Viola wrote:
> >>> I ran into a strange problem. My terminal server is only allowing 10 telnet
> >>> connect to our Unix Server. After we reach ten connections the 11th telnet
> >>> session starts, but then never gets a login. I get no error message from
> >>> Unix or Windows.
> >>>
> >>> I thought it was the unix box, but I can telnet to it from other computers.
> >>> Once I disconnect the 10th connection another terminal server user can
> >>> connect. Is there a limit somewhere in the registry?

>

 
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Old 11-19-2008, 08:49 AM   #6
Jeff Viola
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Re: limit number of telnet connections

I guess I should of said. Yes, we are using Microsoft's built-in telnet client.

"Jeff Viola" wrote:

> We have been testing with MS telnet client.
>
> Jeff
>
> "Jeff Pitsch" wrote:
>
> > Your using the built-in telnet client?
> >
> > Jeff Pitsch
> > Microsoft MVP - Terminal Services
> >
> > Jeff Viola wrote:
> > > Ok. Who is the vendor? Microsoft?
> > >
> > > "Jeff Pitsch" wrote:
> > >
> > >> There is nothing in TS that would limit this functionality. I would
> > >> contact the vendor and see if they ahve a limit on TS.
> > >>
> > >> Jeff Pitsch
> > >> Microsoft MVP - Terminal Services
> > >>
> > >> Jeff Viola wrote:
> > >>> I ran into a strange problem. My terminal server is only allowing 10 telnet
> > >>> connect to our Unix Server. After we reach ten connections the 11th telnet
> > >>> session starts, but then never gets a login. I get no error message from
> > >>> Unix or Windows.
> > >>>
> > >>> I thought it was the unix box, but I can telnet to it from other computers.
> > >>> Once I disconnect the 10th connection another terminal server user can
> > >>> connect. Is there a limit somewhere in the registry?

> >

 
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Old 11-19-2008, 08:50 AM   #7
Jeff Pitsch
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Re: limit number of telnet connections

mmmmm, in that case, there may just be a limit with that. The telnet
client may not be multi-user aware. I've not heard of anyone using the
built-in client on TS. That'd be a great question for MS definitely.

Jeff Pitsch
Microsoft MVP - Terminal Services

Jeff Viola wrote:
> We have been testing with MS telnet client.
>
> Jeff
>
> "Jeff Pitsch" wrote:
>
>> Your using the built-in telnet client?
>>
>> Jeff Pitsch
>> Microsoft MVP - Terminal Services
>>
>> Jeff Viola wrote:
>>> Ok. Who is the vendor? Microsoft?
>>>
>>> "Jeff Pitsch" wrote:
>>>
>>>> There is nothing in TS that would limit this functionality. I would
>>>> contact the vendor and see if they ahve a limit on TS.
>>>>
>>>> Jeff Pitsch
>>>> Microsoft MVP - Terminal Services
>>>>
>>>> Jeff Viola wrote:
>>>>> I ran into a strange problem. My terminal server is only allowing 10 telnet
>>>>> connect to our Unix Server. After we reach ten connections the 11th telnet
>>>>> session starts, but then never gets a login. I get no error message from
>>>>> Unix or Windows.
>>>>>
>>>>> I thought it was the unix box, but I can telnet to it from other computers.
>>>>> Once I disconnect the 10th connection another terminal server user can
>>>>> connect. Is there a limit somewhere in the registry?

 
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Old 11-19-2008, 08:53 AM   #8
Jeff Pitsch
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Posts: n/a
Re: limit number of telnet connections

I've sent off something to MS. I cannot guarantee a timely response but
hopefully they'll have something. My guess is the client isn't
multi-user aware and you are running into the max number of connections
the client can handle.

Jeff Pitsch
Microsoft MVP - Terminal Services

Jeff Pitsch wrote:
> mmmmm, in that case, there may just be a limit with that. The telnet
> client may not be multi-user aware. I've not heard of anyone using the
> built-in client on TS. That'd be a great question for MS definitely.
>
> Jeff Pitsch
> Microsoft MVP - Terminal Services
>
> Jeff Viola wrote:
>> We have been testing with MS telnet client.
>>
>> Jeff
>>
>> "Jeff Pitsch" wrote:
>>
>>> Your using the built-in telnet client?
>>>
>>> Jeff Pitsch
>>> Microsoft MVP - Terminal Services
>>>
>>> Jeff Viola wrote:
>>>> Ok. Who is the vendor? Microsoft?
>>>>
>>>> "Jeff Pitsch" wrote:
>>>>
>>>>> There is nothing in TS that would limit this functionality. I
>>>>> would contact the vendor and see if they ahve a limit on TS.
>>>>>
>>>>> Jeff Pitsch
>>>>> Microsoft MVP - Terminal Services
>>>>>
>>>>> Jeff Viola wrote:
>>>>>> I ran into a strange problem. My terminal server is only allowing
>>>>>> 10 telnet connect to our Unix Server. After we reach ten
>>>>>> connections the 11th telnet session starts, but then never gets a
>>>>>> login. I get no error message from Unix or Windows.
>>>>>> I thought it was the unix box, but I can telnet to it from other
>>>>>> computers. Once I disconnect the 10th connection another terminal
>>>>>> server user can connect. Is there a limit somewhere in the
>>>>>> registry?

 
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Old 11-19-2008, 09:01 AM   #9
Jeff Viola
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Posts: n/a
Re: limit number of telnet connections

Thanks, I'll await their response.

"Jeff Pitsch" wrote:

> I've sent off something to MS. I cannot guarantee a timely response but
> hopefully they'll have something. My guess is the client isn't
> multi-user aware and you are running into the max number of connections
> the client can handle.
>
> Jeff Pitsch
> Microsoft MVP - Terminal Services
>
> Jeff Pitsch wrote:
> > mmmmm, in that case, there may just be a limit with that. The telnet
> > client may not be multi-user aware. I've not heard of anyone using the
> > built-in client on TS. That'd be a great question for MS definitely.
> >
> > Jeff Pitsch
> > Microsoft MVP - Terminal Services
> >
> > Jeff Viola wrote:
> >> We have been testing with MS telnet client.
> >>
> >> Jeff
> >>
> >> "Jeff Pitsch" wrote:
> >>
> >>> Your using the built-in telnet client?
> >>>
> >>> Jeff Pitsch
> >>> Microsoft MVP - Terminal Services
> >>>
> >>> Jeff Viola wrote:
> >>>> Ok. Who is the vendor? Microsoft?
> >>>>
> >>>> "Jeff Pitsch" wrote:
> >>>>
> >>>>> There is nothing in TS that would limit this functionality. I
> >>>>> would contact the vendor and see if they ahve a limit on TS.
> >>>>>
> >>>>> Jeff Pitsch
> >>>>> Microsoft MVP - Terminal Services
> >>>>>
> >>>>> Jeff Viola wrote:
> >>>>>> I ran into a strange problem. My terminal server is only allowing
> >>>>>> 10 telnet connect to our Unix Server. After we reach ten
> >>>>>> connections the 11th telnet session starts, but then never gets a
> >>>>>> login. I get no error message from Unix or Windows.
> >>>>>> I thought it was the unix box, but I can telnet to it from other
> >>>>>> computers. Once I disconnect the 10th connection another terminal
> >>>>>> server user can connect. Is there a limit somewhere in the
> >>>>>> registry?

>

 
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Old 11-20-2008, 12:36 PM   #10
jolteroli
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Re: limit number of telnet connections

putty?

-jolt

 
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