[Samba] winbindd: Exceeding 200 client connections, no idle connection found

[miguel_gustavo]

Dear Jeremy,

I have the same issue in my customer. The samba's version is 3.0.36 and we
have issues with winbindd limit max 200 conections.

In pcap, we have the result:

GET_DFS_REFERRALS  and user anonymous is show in results.

in the beginning,we thought the problem was related to viruses.

Pcap: 

166390	3127.645327	192.168.24.247	192.168.24.13	SMB	Session Setup AndX
Response
166392	3127.646862	192.168.24.2	192.168.24.247	SMB	Tree Connect AndX
Request, Path: \\DSFW\XXXX\IPC$
166393	3127.646884	192.168.24.247	192.168.24.2	TCP	microsoft-ds > miva-mqs
[ACK] Seq=520 Ack=2952 Win=16380 Len=0
166394	3127.647414	192.168.24.247	192.168.24.2	SMB	Tree Connect AndX
Response
166395	3127.648124	192.168.24.2	192.168.24.247	SMB	Trans2 Request,
QUERY_PATH_INFO, Query File Basic Info, Path: 
166396	3127.648201	192.168.24.247	192.168.24.2	SMB	Trans2 Response,
QUERY_PATH_INFO, Error: STATUS_NETWORK_ACCESS_DENIED

I also discovered that the problem is occurring on connections that are in
CLOSE_WAIT state, so it is affecting the number of 200 connections.

Can you help me?

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