Stop samba from querying trusted domain servers Post: 302435119

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Special Forums UNIX and Linux Applications Stop samba from querying trusted domain servers Post 302435119 by mph on Tuesday 6th of July 2010 11:44:22 AM

07-06-2010

Registered User

It's not listing from all the domains. It IS trying to reach the other controllers. The problem is that there's no route to some of the servers and others there's no route back to the machine. Doing a tcpdump yields the following

From my samba machine in the DMZ to, and back from, the local AD server:

Quote:

10:45:01.170297 IP 10.xxx.xx.34.44697 > 10.xxx.x.70.389: tcp 0
10:45:01.170434 IP 10.xxx.x.70.389 > 10.xxx.xx.34.44697: tcp 1188

To other AD servers with insufficient routing:

Quote:

10:47:00.154323 IP 10.xxx.xx.34 > 10.xx.xxx.128 tcp 99
10:47:10.462745 IP 10.xxx.xx.34 > 10.x.xx.223 tcp 99

There are 5 or so more remote AD servers from other domains that never come back for due to routing. During the time that it's attempting to query or connect with these servers file listings and such "hang" until the the local machine gives up.

Using the allow trusted domains = no parameter DOES limit the connection attempts to once every half an hour or so. Before that, it would try almost every time a directory listing or anything else that needed to tie a user name to an UID was attempted. It's not the fix, but it SURE helped.

The routing is something that will not be fixed. The other domains need not access nor communicate with our DMZ.

mph

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LEARN ABOUT CENTOS

pmdasamba

PMDASAMBA(1)						       Performance Co-Pilot						      PMDASAMBA(1)

NAME

       pmdasamba - Samba performance metrics domain agent (PMDA)

DESCRIPTION

       pmdasamba is a Performance Metrics Domain Agent (PMDA) which exports metric values from Samba, a Windows SMB/CIFS server for UNIX.

       In order for values to be made available by this PMDA, Samba must have been built with profiling support (WITH_PROFILE in "smbd -b"
       output).  This PMDA dynamically enumerates much of its metric hierarchy, based on the contents of "smbstatus --profile".

       When the agent is installed (see below), the Install script will attempt to enable Samba statistics gathering, using "smbcontrol
       --profile".

INSTALLATION

       If you want access to the names and values for the samba performance metrics, do the following as root:

	       # cd $PCP_PMDAS_DIR/samba
	       # ./Install

       If you want to undo the installation, do the following as root:

	       # cd $PCP_PMDAS_DIR/samba
	       # ./Remove

       pmdasamba is launched by pmcd(1) and should never be executed directly.	The Install and Remove scripts notify pmcd(1) when the agent is
       installed or removed.

FILES

       $PCP_PMDAS_DIR/samba/Install
	   installation script for the pmdasamba agent

       $PCP_PMDAS_DIR/samba/Remove
	   undo installation script for the pmdasamba agent

       $PCP_LOG_DIR/pmcd/samba.log
	   default log file for error messages from pmdasamba

SEE ALSO

       pmcd(1), smbd(1) and samba(7).

3.8.10							       Performance Co-Pilot						      PMDASAMBA(1)