FTP in DMZ, TCP Ports for LDAP Auth

Posted by sam on Server Fault See other posts from Server Fault or by sam
Published on 2010-04-23T07:16:23Z Indexed on 2010/04/23 7:23 UTC
Read the original article Hit count: 368

Filed under:

ftp-server

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asa

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dmz

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ldap

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ports

szenario:

(outside)---(ASA5510)---(inside) ->Windows2008 DC

.....................(dmz)

..........->Win2008 FTP Server

Which Ports do I need to open from DMZ->Inside that FTP Users can authentificated on the Inside DC?

I have allready opend 389 (Ldap), 636 (secure Ldap) and 53 (dns). But the ftp Client stucks allways after processing the credentials and the FTP Server gives you an eventlog "logon error". the error messages indicates that there could be an issue with closed ports.

if I turn the ACL to "IP", that means all ports are open, everything is working fine.

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