[Samba] Clients send tons of Notiftication requests

Luca Marceglia luca at pianetaluca.com
Mon May 11 17:53:35 UTC 2020


> Il giorno 11 mag 2020, alle ore 17:26, Rowland penny via samba <samba at lists.samba.org> ha scritto:
> On 11/05/2020 16:11, Luca Marceglia via samba wrote:
>> I think I could not make myself understood.
>> Since I could not connect with my samba share and the programs were looping
>> or crashing, I decided to activate the logs on the samba server and set it
>> to 3.
>> I then started to see all these notification requests.
>> So what I understand is that the clients are sending tons of these
>> notification requests to the server. This was not happening before.
> How do you know they were not happening before ? you had to raise the log level to see them.
[LM] Actually I don’t but as soon as the server was instructed not to answer back, it all worked. Therefore I assume this was not happening in the past
>> I do not have specific client log because Windows10 apps do not store so
>> many logs and File.app on the iPhone may write logs somewhere but I don't
>> know how to get them.
>> Anyway I captured packets with Wireshark and got the logs from the samba
>> server and I see that the problem is triggered by this mechanism.
>> If I tell the samba server not to respond to these notifications, everything
>> works fine.
>> My question is why the clients started sending such requests? And how can I
>> stop them from doing so? It's not a Windows problem because Apple apps have
>> the same issue, so I believe this is a server issue...
> The server getting notifications is not a server problem, it is a client problem. You need to find out why the clients have started sending so many notifications.
[LM] I have no idea where to start from. Additionally, it’s strange that all of a sudden, two Windows applications and one Apple application all decide to start sending these requests at the same time...
But if you can tell me where or how I can start looking for this issue, that would help me a lot. 
> Rowland
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