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From: Andrew Masterson on 15 Jun 2010 18:00


-----Original Message-----
From: samba-bounces(a)lists.samba.org
[mailto:samba-bounces(a)lists.samba.org] On Behalf Of Allen Chen
Sent: Friday, June 11, 2010 2:25 PM
To: samba(a)lists.samba.org
Subject: [Samba] root postexec issue on both Samba 3.4.5 and 3.0.28

Hi, there

I'm using Samba 3.4.5 and 3.0.28 on RHEL 5.2, and I noticed that on both

samba servers
'root postexec' script in [netlogon] is executed automatically when
logged in for around 11 minutes.
This makes me crazy to track when a use is logged out.
The man page smb.conf.5 says:
" postexec (S)
This option specifies a command to be run whenever the
service is disconnected. "

I don't understand when a user is still logged in, why 'root postexec'
script gets called after 11 minutes.
though everything still works fine.

I used to have Samba 3.0.22 and 'root postexec' script was executed only

when users logout.
It doesn't matter how long you have logged in.


How can I fix this issue?

Thanks,

Allen
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--------------------------

Shot in the dark: your deadtime is causing the service to disconnect and
execute the postexec (not that it should, just guessing here).

-=Andrew
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From: John H Terpstra on 15 Jun 2010 18:10
On 06/15/2010 04:50 PM, Andrew Masterson wrote:
>
>
> -----Original Message-----
> From: samba-bounces(a)lists.samba.org
> [mailto:samba-bounces(a)lists.samba.org] On Behalf Of Allen Chen
> Sent: Friday, June 11, 2010 2:25 PM
> To: samba(a)lists.samba.org
> Subject: [Samba] root postexec issue on both Samba 3.4.5 and 3.0.28
>
> Hi, there
>
> I'm using Samba 3.4.5 and 3.0.28 on RHEL 5.2, and I noticed that on both
>
> samba servers
> 'root postexec' script in [netlogon] is executed automatically when
> logged in for around 11 minutes.
> This makes me crazy to track when a use is logged out.
> The man page smb.conf.5 says:
> " postexec (S)
> This option specifies a command to be run whenever the
> service is disconnected. "
>
> I don't understand when a user is still logged in, why 'root postexec'
> script gets called after 11 minutes.
> though everything still works fine.
>
> I used to have Samba 3.0.22 and 'root postexec' script was executed only
>
> when users logout.
> It doesn't matter how long you have logged in.

The postexec script will execute only when the client hangs up the
connection. Hanging up of the connection can be considerably delayed
after a user logs out. This is a client configuration issue - nothing to
do with Samba.

Unfortunately, Windows will close idle connections and then re-open them
when they are needed. This too is a client behavioral characteristic.
Samba does not of its own volition close connections like that.

> How can I fix this issue?

Make sure that the Windows client hangs up the connection as soon as the
user logs out. I have no idea how you would do this though - perhaps a
search of the Microsoft knowledge-base may turn up a useful pointer.

Cheers,
John T.
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From: Allen Chen on 15 Jun 2010 18:40
John H Terpstra wrote:
> On 06/15/2010 04:50 PM, Andrew Masterson wrote:
>
>> -----Original Message-----
>> From: samba-bounces(a)lists.samba.org
>> [mailto:samba-bounces(a)lists.samba.org] On Behalf Of Allen Chen
>> Sent: Friday, June 11, 2010 2:25 PM
>> To: samba(a)lists.samba.org
>> Subject: [Samba] root postexec issue on both Samba 3.4.5 and 3.0.28
>>
>> Hi, there
>>
>> I'm using Samba 3.4.5 and 3.0.28 on RHEL 5.2, and I noticed that on both
>>
>> samba servers
>> 'root postexec' script in [netlogon] is executed automatically when
>> logged in for around 11 minutes.
>> This makes me crazy to track when a use is logged out.
>> The man page smb.conf.5 says:
>> " postexec (S)
>> This option specifies a command to be run whenever the
>> service is disconnected. "
>>
>> I don't understand when a user is still logged in, why 'root postexec'
>> script gets called after 11 minutes.
>> though everything still works fine.
>>
>> I used to have Samba 3.0.22 and 'root postexec' script was executed only
>>
>> when users logout.
>> It doesn't matter how long you have logged in.
>>
>
> The postexec script will execute only when the client hangs up the
> connection. Hanging up of the connection can be considerably delayed
> after a user logs out. This is a client configuration issue - nothing to
> do with Samba.
>
the user is still working on the XP machine!
> Unfortunately, Windows will close idle connections and then re-open them
> when they are needed. This too is a client behavioral characteristic.
> Samba does not of its own volition close connections like that.
>
>
>> How can I fix this issue?
>>
>
> Make sure that the Windows client hangs up the connection as soon as the
> user logs out. I have no idea how you would do this though - perhaps a
> search of the Microsoft knowledge-base may turn up a useful pointer.
>
> Cheers,
> John T.
>
Thank you John for the reply.
I fixed it by myself:
I just move 'root postexec' option from [netlogon] to [homes],
(everybody has a home directory)
and just leave 'root preexec' option in [netlogon].

I don't understand why [netlogon] service gets disconnected
after around 11minutes on samba 3.4.5 and 3.0.28.
but it doesn't happen on samba 3.0.22.

Thanks,
Allen

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