Re: Telnet Problem

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You could try Aports (http://www.download.com/3000-2085-10062969.html).

In Your case it seems to worth a try, but be aware that this is indicated
only for checks, not for constant run, since Symantec advise the possibility
of use by some malwares... :(
(http://www.symantec.com/security_response/writeup.jsp?docid=2003-092411-292
1-99)

Edson

>-----Original Message-----
>From: openh323gk-users-bounces@xxxxxxxxxxxxxxxxxxxxx [mailto:openh323gk-
>users-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Nyamul Hassan
>Sent: quarta-feira, 12 de dezembro de 2007 15:50
>To: GNU Gatekeeper Users
>Subject: Re:  Telnet Problem
>
>Hi Jan,
>
>Thank you for your suggestions, and I would definitely try them out.  I'm
>using Windows Server 2003.  Do you recommend any software to monitor the
>number of sockets open at a particular time?  I've got a Nagios unit on my
>network.  Is it possible to monitor the number of sockets open through
>Nagios?
>
>Regards
>HASSAN
>
>
>----- Original Message -----
>From: "Jan Willamowius" <jan@xxxxxxxxxxxxxx>
>To: <openh323gk-users@xxxxxxxxxxxxxxxxxxxxx>
>Sent: Wednesday, December 12, 2007 14:31
>Subject: Re:  Telnet Problem
>
>
>> Hi Hassan,
>>
>> please let us know what you find.
>>
>> I've seen a similar case where a GnuGk 2.2.7 on Linux would stop
>> statusport output under high load (~500 calls) while another machine
>> (same hardware, same GnuGk version) would still send all output under
>> the same load.
>>
>> In this case it would stop after a few hunderd KB and so far I didn't
>> find why. If you run tests, it would be good if you could monitor
>> system resources such as sockets etc. Maybe we can find a pattern when
>> this is happening.
>>
>> Regards,
>> Jan
>>
>>
>> Nyamul Hassan wrote:
>> > Hi,
>> >
>> > Aroung a year ago, I had reported a problem with the new 2.2.5 branch
>(running on Windows Server 2003) that there was a problem with the telnet
>not working if the output 10kb (output of the cv command).  This problem
>was
>subsequently looked into my Michal, and improved in the 2.2.6 version where
>a telnet from the localhost (Windows Server 2003) was running ok.  However,
>from remote windows sytems, running both PuTTY and Microsoft clients, I
>still get logged off after 10kb of content.
>> >
>> > I then went on writing a PHP scrit that does a socket connection on the
>GkStatus port and gets the output of "cv" command every 30 seconds.
>> >
>> > Today, the PHP script failed when the load was around 280+ calls
>(connected + trying).  Running the regular Microsoft telnet client, I
>couldn't get more than exactly 36kb of data, although my PHP clients 280+
>calls indicated at least 2.5 times that size was received nicely.
>> >
>> > The load has reduced now, so can't run tests now.  When the load comes
>later today, I plan to do the following:
>> > 1.  Try a local PuTTY client
>> > 2.  Try a level 6 trace when the "cv" command is run from both remote
>and local clients.
>> >
>> > In the meantime, if any of you guys out there have any more
>suggestions,
>please let me know.
>> >
>> > BTW, this used to work fine in 2.2.4, and we've seen call loads higher
>than 350.  The only problem in that version was the EXE file used to grow
>in
>size gradually.  So, had to restart the GK every 2 - 3 days, depending on
>call load.  Since 2.2.5, the memory problem has been solved beautifully.
>My
>GK is running for 34 days 04:26:44 at this time of writing.
>> >
>> > Thank you all, for your help.
>> >
>> > Regards
>> > HASSAN
>>
>>
>> --
>> Jan Willamowius, jan@xxxxxxxxxxxxxx, http://www.gnugk.org/
>>
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