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Microsoft Security Advisory (977544): Vulnerabilities in SMB Could Allow Denial of Service - 11/13/2

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Special Forums Windows & DOS: Issues & Discussions Security Advisories (RSS) - Microsoft Microsoft Security Advisory (977544): Vulnerabilities in SMB Could Allow Denial of Service - 11/13/2
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Old 11-13-2009
Microsoft Security Advisory (977544): Vulnerabilities in SMB Could Allow Denial of Service - 11/13/2
Revision Note: V1.0 (November 13, 2009): Advisory published. Advisory Summary:Microsoft is investigating new public reports of a possible denial of service vulnerability in the Server Message Block (SMB) protocol. This vulnerability cannot be used to take control of or install malicious software on a user's system. However, Microsoft is aware that detailed exploit code has been published for the vulnerability. Microsoft is not currently aware of active attacks that use this exploit code or of customer impact at this time. Microsoft is actively monitoring this situation to keep customers informed and to provide customer guidance as necessary.

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LEARN ABOUT MOJAVE

smbd

smbd(8) 						    BSD System Manager's Manual 						   smbd(8)

NAME

     smbd -- SMB server daemon

SYNOPSIS

     smbd [options]

DESCRIPTION

     smbd runs on a server machine to service SMB protocol requests from SMB client machines.

OPTIONS

     -debug   The service will log extensive debug information and may perform extra diagnostic checks. In debug mode, smbd will not exit when
	      idle.

     -help    Prints a usage message and exits.

     -ports list
	      The service will listen on each of the TCP ports specified in the comma-separated list. This option is typically only used for
	      debugging, since smbd is normally launched by launchd(8) on port 445.

     -stdout  Causes smbd to print log messages to standard output instead of the system log.

     -no-symlinks
	      In normal operation, smbd will respond to client symlink requests but will never follow symlinks itself. This flag causes smbd to
	      restrict client access to symlink operations and to always follow symlinks. In this case, clients will not be aware that symlinks
	      are in use because they will always be directed to the symlink target.

FILES

     /Library/Preferences/SystemConfiguration/com.apple.smb.server.plist
	      The primary configuration for the SMB stack. This file is updated by various system services and should not be edited by hand.

     /System/Library/LaunchDaemons/com.apple.smbd.plist
	      The smbd service's property list file for launchd(8).

SIGNALS

     SIGHUP   This signal causes smbd to re-read its configuration settings.

SEE ALSO

     launchd(8)

STANDARDS

     The SMB protocol is documented as part of the Microsoft Work Group Server Protocol Program (WSPP) technical documentation set, specifically

     MS-CIFS  Common Internet File System Specification

     MS-SMB   Server Message Block (SMB) Protocol Specification

HISTORY

     The smbd utility first appeared in Mac OS 10.7.

Darwin								   June 1, 2019 							    Darwin