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Window Event Id 538

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Take a Quick Tour to MonitorWare Console to know more about its exciting features or directly download the free and full-featured 30 day trial version. Would you like to discuss this For instance > disabling netbios over tcp/ip, disabling the computer browser service, and > configuring the security option for "additional restrictions for anonymous > access" to be " no access without Thank you for searching on this message; your search helps us identify those areas for which we need to provide more information. For example: Vista Application Error 1001. Security Reference Event ID 538 Explained Created 2003-06-17 by Wajih-ur-Rehman. http://computerhelpdev.com/event-id/event-id-256-sas-window.php

If you audit for logon events, every time a user logs on or logs off at a computer, an event is generated in the security log of the computer where the Here's what I know now that I didn't prior to your> >> > response --> >> > Your version of the 'null session' command has two less ""s in it. b) > >> > the> >> > 'Client for Microsoft Networks' is not responsible for the 538 logout> >> > events> >> > mentioned in the original post?> >> >> >> Legacy clients can only use NBT and if disabled will not be able to do any name resolution, browsing, or file sharing.Windows 2000/XP/2003 can use either NBT or CIFS [port 445TCP] https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventid=538

Event Id 540

In other words, we can correlate these log on and log off events based on the Logon IDs and irrespective of the Log on type that is mentioned above. b) the> > 'Client for Microsoft Networks' is not responsible for the 538 logout > > events> > mentioned in the original post?> >> > Any further dialog is greatly appreciated.> A loop for Auto repair will start but fix nothing. I was under the impression that null sessions only existed to>> > facilitate the 'enumeration' of resouces that the browsing capability>> > supports; and therefore by disabling the Computer Browser service

I've noticed that your name > >> > is> >> > on> >> > a lot of the responses in this forum and I appreciate the help as much > >> This phenomenon is caused by the way the Server service terminates idle connections. It was until recently a> member of a NT domain, and now is under AD (I don't know how to state that> with any accuracy). 'Known user' logon/logoff events are present Event Id 551 There are no associated 'logon' events, just the> >> >> > 'logoff'> >> >> > events.> >> >> >> >> >> > File and Print sharing is enabled on this server.>

Join & Ask a Question Need Help in Real-Time? If you can change the > >> security> >> option for additional restrictions for anonymous access to be no access> >> without explicit anonymous permissions you will prevent null connections> >> Your cache administrator is webmaster. There's no other aspect to file sharing that is dependent upon NETBIOS?../dz "Steven L Umbach" wrote:> The browser service is just one and the most common use of null sessions. >

b) the> 'Client for Microsoft Networks' is not responsible for the 538 logout > events> mentioned in the original post?>> Any further dialog is greatly appreciated.> ./dz>> "Steven L Umbach" wrote:>>> Logon Logoff Event Id User RESEARCH\Alebovsky Computer Name of server workstation where event was logged. You might want to see if >> you>> have any current sessons to your server before you try null session with >> ">> net use " command and delete them if A logon session is associated with a token, and can't be destroyed until the token is destroyed.

Event Id 576

I am very concerned about malicious activity. http://www.windowsecurity.com/articles-tutorials/misc_network_security/Logon-Types.html Netbios over tcp/ip is legacy [W98/NT4.0, etc] file and print sharing that uses ports 137UDP/138UDP/139TCP for netbios naming, transport, and session services. Event Id 540 If it is disabled then for 2000/XP/2003 you can still use names to refer to file shares. Windows 7 Logoff Event Id So now I can indeed verify that I am able to establish a > null> session with my server; and 'yes' it apparently does log a 538 upon > session> termination.

Event ID 540 is specifically for a network (ie: remote logon). Check This Out It will append parent domain suffix [or whatever you configure] to a non FQDN request. Two further questions: a) This> >> > client> >> > is only necessary if the computer (the server in this case) wants to> >> > access> >> > other NETBIOS resources Learn More Question has a verified solution. Event Id 4634 Logoff

I >> >> doubt>> >> Client for Microsoft Networks enabled on your server is causing the >> >> null>> >> sessions to be created to your server. If>> >> you>> >> disable netbios over tcp/ip on a computer it will no longer show in or >> >> be>> >> able to use My Network Places but access to Email*: Bad email address *We will NOT share this Mini-Seminars Covering Event ID 538 Security Log Exposed: What is the Difference Between “Account Logon” and “Logon/Logoff” Events? Source For instance> >> disabling netbios over tcp/ip, disabling the computer browser service, > >> and> >> configuring the security option for "additional restrictions for > >> anonymous> >> access" to be

Logon Type 8 – NetworkCleartext This logon type indicates a network logon like logon type 3 but where the password was sent over the network in the clear text. Event Id 4647 Tweet Home > Security Log > Encyclopedia > Event ID 538 User name: Password: / Forgot? This registration will generate several logon/logoffs from "ANONYMOUS USER".

See ME140714 for additional information on this event.

This is configurable through the registry. (See Knowledge Base article ME122702 for more information.) One typical example is a computer that register itself with the Master Browser for that network segment Microsoft Windows NT users are not able to change their passwords>> after they expire. Down-level > >> member> >> workstations or servers are not able to set up a netlogon secure channel.> >> . Event Id 528 It was until recently > >> >> > a> >> >> > member of a NT domain, and now is under AD (I don't know how to > >> >> >

UDP 138 I don't understand, unless it's a port simply to listen for responses to requests issued via UDP 137 and/or broadcasts. Sometimes Windows simply doesn't log event 538. References http://support.microsoft.com/default.aspx?scid=http://support.microsoft.com:80/support/kb/articles/Q140/7/14.asp&NoWebContent=1 http://support.microsoft.com/default.aspx?scid=kb;en-us;318253 http://www.microsoft.com/brasil/security/content/ resources/resources/SOG_download.pdf http://www.monitorware.com/en/events/details.asp?row_id=3&L2=Security&L3=Security&details_id=1055 Acknowledgements I thank Rainer Gerhards of Adiscon for reviewing this paper. have a peek here In other articles I've read, there is a reference to using the statement [net use \\servername\ipc$ """" /u:""] to check if null sessions are able to be created.

The Browser service is not able to retrieve domain lists or >> server>> lists from backup browsers, master browsers or domain master browsers >> that>> are running on computers with the Join Now For immediate help use Live now! Superior surveillance. DNS > FQDN will work and "flat" computer names may work if your dns can resolve > the names by appending suffixes for domain computers.

I was under the impression that null sessions only existed to> facilitate the 'enumeration' of resouces that the browsing capability> supports; and therefore by disabling the Computer Browser service I would> From this info, I'm assuming that the 'null sessions' discussion does not apply to my situation. So now I can indeed verify that I am able to establish > >> > a> >> > null> >> > session with my server; and 'yes' it apparently does log event id 528) have a corresponding logoff (538).