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Publish LDAP to Internet

Posted on 2013-06-30
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Last Modified: 2016-01-30
Hi all,

If I opened an LDAP port on our firewall for LDAP enquiry for our Mac clients, could anybody get our LDAP list through port scan from Internet? our staff got many fake spams recently in which the recipient addresses were exist on our Exchange Server. Does this problem related to I open the LDAP port to Internet?

I have disable the LDAP port now. Do I take any actions now?

Thanks
Thomas
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Question by:DT1640759
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David Johnson, CD, MVP earned 1500 total points
ID: 39289088
Little late shutting the barn door, as the horse has fled. Yes a port query would have found the ldap port open.
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by:DT1640759
ID: 39293960
Hi Ve3ofa,

thanks for your reply, Anyhow LDAP query need to provide logon name and password, even through anybody perform port scan.

Thanks
Thomas
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LVL 84

Expert Comment

by:David Johnson, CD, MVP
ID: 39294046
What are they trying to log on to? You can limit the ldap queries to be only from the local network.
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