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Windows shared printer use causes Intrusion.Win.DCOM.exploit on port 135 [Solved]

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(This problem is basically the same as Guihan's KIS Network Attack Blocker Problem but with Endpoint Security for Business


A Windows 2008 Standard server is sharing some printers to network users.

Theses users complains about sharing working once or twice and then not working.


I confirm the printers being grayed on users's Windows control panel and the inability to access \\printserver.domain.tld.


Endpoint Security's Network Attack Blocker report says the following (french):

Application : Inconnu

Module : Prévention des intrusions

Résultat : Interdit : Intrusion.Win.DCOM.exploit

Objet : TCP de sur le port local 135

Would roughly be translated to

Application : Unknown

Module : Intrusions prevention

Result : Forbidden : Intrusion.Win.DCOM.exploit

Object : TCP from on local port135


I think I'm dealing with a false positive but want to be sure there isn't something a setting I missed somewhere (eg. to tell Kaspersky it is normal for the server to handle CIFS/Samba shares) that would make him more friendly with these kind of "intrusion" but without fully deactivating the Network Attack Blocker.

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It looks that the protocoll of this printer is not working well.


You can add this IP-address as exclusion in the policy of network attack blocker.

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I have the same problem. Firewall blocking my access to the server. I scanned all the computer locked and nothing Kaspersky does not detect. Blocked computers have during the day several


Endpoint Security for Business Windows 2008 Server Standard


Aplikacja: Nieznany

Składnik: Blokowanie ataków sieciowych

Wynik: Zablokowano: Intrusion.Win.DCOM.exploit

Obiekt: TCP od na port lokalny 135

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