Telnetd hangs for a while before giving login prompt

Telnetd hangs for a while before giving login prompt

[Raghav]

Hi,

	I have installed cygwin 1.3.16 on my win2k workstation. I have installed
inetd as a service and am running it as localsystem. I have created
passwd/group files for local users only, not domain users. rlogin is working
without any problem. But if I try to telnet my machine, it hangs for about 3
minutes or so before giving me the login prompt. This happens only if I have
logged into the domain. Even if i remove the network cable from my machine,
Prompt will appear quickly. There is no problem with reverse dns lookup --
nslookup works fine both for forward and reverse lookups. Any clue what
might be wrong? or is it a bug in telnetd?



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Re: Telnetd hangs for a while before giving login prompt

[Danilo Turina]

Raghav wrote:

> Hi,
>
> 	I have installed cygwin 1.3.16 on my win2k workstation. I have installed
> inetd as a service and am running it as localsystem. I have created
> passwd/group files for local users only, not domain users. rlogin is 
> working
> without any problem. But if I try to telnet my machine, it hangs for 
> about 3
> minutes or so before giving me the login prompt. This happens only if 
> I have
> logged into the domain. Even if i remove the network cable from my 
> machine,
> Prompt will appear quickly. There is no problem with reverse dns lookup --
> nslookup works fine both for forward and reverse lookups. Any clue what
> might be wrong? or is it a bug in telnetd?

I have the same identical problem since 1.3.13 or maybe 1.3.12.
But I have not been able to track down the causes.
On October 14th I posted this message:

Danilo Turina wrote:

> I also have this problem since one or two months: when I try to telnet
> to my win2k box from another host (or from the same machine) I have to
> wait approx. 1 min. before the login prompt displays (but I see
> "Trying", "Connected" and "Escape character is '^]'" immediately).
>
> Launching "in.telnetd -debug" doens't work for me: it immediately asks
> to me username and password but no credentials are accepted
> (administrator, non-administrator, no user is accepted).
>
> On the contrary rlogin works properly (I always wait 5/6 seconds before
> the password prompt, but it works).
>
> Trying to better understand the problem I used File Monitor from
> sysinternals (www.sysinternals.com) a free tool that monitors access to
> file system by windows processes.
>
> All access made by telnet, telnetd, etc. seems to be ok, but I saw a
> suspect operation:
>
> process:            System:1876
> operation:            IRP_MJ_CREATE
> file:                \\.terminfo\IPC$
> returncode:            BAD NETWORK PATH
> other information:    Attributes: N Options: OpenIf
>
> This operation is performed by System process every 3/4 seconds for
> several times.
> This does not happen for rlogin.
>
> Can anyone explation what does it means and if it can be correlated to
> our problem?
>
> -------------------------------------
> Danilo Turina
> Alcatel Optics OND Network Management
> Rieti (Italy) - Phone: +39 746 600332
> -------------------------------------
>
> 1 anno 6 mesi 5 giorni 53 minuti 58 secondi
>
>
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Re: Telnetd hangs for a while before giving login prompt

[Corinna Vinschen]

On Thu, Nov 28, 2002 at 12:55:13PM +0100, Danilo Turina wrote:
> Raghav wrote:
> 
> >Hi,
> >
> >	I have installed cygwin 1.3.16 on my win2k workstation. I have installed
> >inetd as a service and am running it as localsystem. I have created
> >passwd/group files for local users only, not domain users. rlogin is 
> >working
> >without any problem. But if I try to telnet my machine, it hangs for 
> >about 3
> >minutes or so before giving me the login prompt. This happens only if 
> >I have
> >logged into the domain. Even if i remove the network cable from my 
> >machine,
> >Prompt will appear quickly. There is no problem with reverse dns lookup --
> >nslookup works fine both for forward and reverse lookups. Any clue what
> >might be wrong? or is it a bug in telnetd?
> 
> I have the same identical problem since 1.3.13 or maybe 1.3.12.
> But I have not been able to track down the causes.
> On October 14th I posted this message:
> [...]

Network paths in the system PATH variable?

Corinna

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Re: Telnetd hangs for a while before giving login prompt

[Danilo Turina]

Corinna Vinschen wrote:
> On Thu, Nov 28, 2002 at 12:55:13PM +0100, Danilo Turina wrote:
> 
>>Raghav wrote:
>>
>>
>>>Hi,
>>>
>>>	I have installed cygwin 1.3.16 on my win2k workstation. I have installed
>>>inetd as a service and am running it as localsystem. I have created
>>>passwd/group files for local users only, not domain users. rlogin is 
>>>working
>>>without any problem. But if I try to telnet my machine, it hangs for 
>>>about 3
>>>minutes or so before giving me the login prompt. This happens only if 
>>>I have
>>>logged into the domain. Even if i remove the network cable from my 
>>>machine,
>>>Prompt will appear quickly. There is no problem with reverse dns lookup --
>>>nslookup works fine both for forward and reverse lookups. Any clue what
>>>might be wrong? or is it a bug in telnetd?
>>
>>I have the same identical problem since 1.3.13 or maybe 1.3.12.
>>But I have not been able to track down the causes.
>>On October 14th I posted this message:
>>[...]
> 
> 
> Network paths in the system PATH variable?
> 
> Corinna
> 

No, my PATH only contains directories in C:
The only thing that could interfere is a NFS Client (FTP Software's 
InterDrive 5.0) that I suspect also causes some crashes of Explorer.
Unfortunately there's no easy way to stop its services to try if the 
problem goes away without it.

Ciao,

		Danilo




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Re: Telnetd hangs for a while before giving login prompt

[Danilo Turina]

Corinna Vinschen wrote:
> On Thu, Nov 28, 2002 at 12:55:13PM +0100, Danilo Turina wrote:
> 
>>Raghav wrote:
>>
>>
>>>Hi,
>>>
>>>	I have installed cygwin 1.3.16 on my win2k workstation. I have installed
>>>inetd as a service and am running it as localsystem. I have created
>>>passwd/group files for local users only, not domain users. rlogin is 
>>>working
>>>without any problem. But if I try to telnet my machine, it hangs for 
>>>about 3
>>>minutes or so before giving me the login prompt. This happens only if 
>>>I have
>>>logged into the domain. Even if i remove the network cable from my 
>>>machine,
>>>Prompt will appear quickly. There is no problem with reverse dns lookup --
>>>nslookup works fine both for forward and reverse lookups. Any clue what
>>>might be wrong? or is it a bug in telnetd?
>>
>>I have the same identical problem since 1.3.13 or maybe 1.3.12.
>>But I have not been able to track down the causes.
>>On October 14th I posted this message:
>>[...]
> 
> 
> Network paths in the system PATH variable?
> 
> Corinna
> 

No, my PATH only contains directories in C:
The only thing that could interfere is a NFS Client (FTP Software's 
InterDrive 5.0) that I suspect also causes some crashes of Explorer.
Unfortunately there's no easy way to stop its services to try if the 
problem goes away without it.

Ciao,

		Danilo


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Re: Telnetd hangs for a while before giving login prompt (SOLVED)

[Danilo Turina]

Corinna Vinschen wrote:
> On Thu, Nov 28, 2002 at 12:55:13PM +0100, Danilo Turina wrote:
> 
>>Raghav wrote:
>>
>>
>>>Hi,
>>>
>>>	I have installed cygwin 1.3.16 on my win2k workstation. I have installed
>>>inetd as a service and am running it as localsystem. I have created
>>>passwd/group files for local users only, not domain users. rlogin is 
>>>working
>>>without any problem. But if I try to telnet my machine, it hangs for 
>>>about 3
>>>minutes or so before giving me the login prompt. This happens only if 
>>>I have
>>>logged into the domain. Even if i remove the network cable from my 
>>>machine,
>>>Prompt will appear quickly. There is no problem with reverse dns lookup --
>>>nslookup works fine both for forward and reverse lookups. Any clue what
>>>might be wrong? or is it a bug in telnetd?
>>
>>I have the same identical problem since 1.3.13 or maybe 1.3.12.
>>But I have not been able to track down the causes.
>>On October 14th I posted this message:
>>[...]
> 
> 
> Network paths in the system PATH variable?
> 
> Corinna
> 

I uninstalled InterDrive 5.0 by FTP Software (a NFS client) and now all 
works flawlessly.

Now I only have to find a better NFS client...



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Re: Telnetd hangs for a while before giving login prompt (SOLVED)

[Danilo Turina]

Corinna Vinschen wrote:
> On Thu, Nov 28, 2002 at 12:55:13PM +0100, Danilo Turina wrote:
> 
>>Raghav wrote:
>>
>>
>>>Hi,
>>>
>>>	I have installed cygwin 1.3.16 on my win2k workstation. I have installed
>>>inetd as a service and am running it as localsystem. I have created
>>>passwd/group files for local users only, not domain users. rlogin is 
>>>working
>>>without any problem. But if I try to telnet my machine, it hangs for 
>>>about 3
>>>minutes or so before giving me the login prompt. This happens only if 
>>>I have
>>>logged into the domain. Even if i remove the network cable from my 
>>>machine,
>>>Prompt will appear quickly. There is no problem with reverse dns lookup --
>>>nslookup works fine both for forward and reverse lookups. Any clue what
>>>might be wrong? or is it a bug in telnetd?
>>
>>I have the same identical problem since 1.3.13 or maybe 1.3.12.
>>But I have not been able to track down the causes.
>>On October 14th I posted this message:
>>[...]
> 
> 
> Network paths in the system PATH variable?
> 
> Corinna
> 

I uninstalled InterDrive 5.0 by FTP Software (a NFS client) and now all 
works flawlessly.

Now I only have to find a better NFS client...




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Telnetd hangs for a while before giving login prompt

[Raghav]

Hi,

	Finally found what the problem is. Let me not get into technical details of
this. But inetd runs as SYSTEM and home directory of SYSTEM will be set to
"/". Edit passwd file and change the home directory of SYSTEM to something
(e.g, /tmp). Restart the inetd. Now telnetd should work fine. :-)

Raghav

Hi,

	I have installed cygwin 1.3.16 on my win2k workstation. I have installed
inetd as a service and am running it as localsystem. I have created
passwd/group files for local users only, not domain users. rlogin is working
without any problem. But if I try to telnet my machine, it hangs for about 3
minutes or so before giving me the login prompt. This happens only if I have
logged into the domain. Even if i remove the network cable from my machine,
Prompt will appear quickly. There is no problem with reverse dns lookup --
nslookup works fine both for forward and reverse lookups. Any clue what
might be wrong? or is it a bug in telnetd?



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