Mathisj, If I'm not mistaking, in order for the two servers to be able to talk with each other, they need to have certificates signed by Certificate Authorities recognized by the two servers (meaning, the certificates of these root CAs must be installed on the two servers). Even more straightforward is to generate certificate requests for both servers and get them signed by the same root CA. --- On Thu, 7/31/08, Groot, Mathijs de (IDT Competence Java) <math.de.groot at logica.com> wrote: From: Groot, Mathijs de (IDT Competence Java) <math.de.groot at logica.com> Subject: Unable to SSL with Windows Sync Agreement To: fedora-directory-users at redhat.com Date: Thursday, July 31, 2008, 12:18 PM Hello everyone, ? I can use some help with setting up the Windows Sync. ? Ill give some context first, im trying to sync user, groups and passwords from a Windows 2003 server with Active Directory with a Red Hat enterprise 5, Red Hat Directory Server 8.0. It is a test environment with where I can access and configure the servers easily. ? But ive got some problems setting a new Windows Sync Agreement. ? It comes down to the following: I can?t get an SSL connection? with the a new? Windows Sync Agreement, from the Red Hat DS to the Windows AD server. ? In the Windows Sync Server info screen I get the following message when clicking on next:? "unable to contact Active Directory server, continue" (Windows Sync Server info screen located In the Directory Server Console ->? Configuration tab ->? Replication -> userRoot -> highlight the database -> Object -> New Windows Sync Agreement -> The second screen reads Windows Sync Server Info) ? But when I uncheck the checkbox ?Using encrypted SSL connection? the connection works and the Windows AD server is reached. So this concludes (and ive tested) that the Windows Server and domain is reachable and the Bind DN is valid, and entered values are correct. ? The SSL connection seems to be setup correctly, the checks (ldapsearch query) described by the fedora manual outputs the correct result. Following: ? http://directory.fedoraproject.org/wiki/Howto:WindowsSync Testing your Configuration Test to make sure you can talk SSL from Fedora Directory to AD This is how you test to verify that the Windows side SSL is enabled properly: ldapsearch -Z -P <RHDS-cert8.db> -h <AD/NT Hostname> -p <AD SSL port> -D "<sync manager user>? -w < sync manager password> -s <scope> -b "<AD base>" "<filter>" ? My ldapsearch query: /usr/lib64/mozldap/dapsearch -Z -P /etc/dirsrv/slapd-<instance>/cert8.db -h compute.domain.com -p 636 -D "CN=Administrator,CN=Users,DC=domain,DC=com"? -w <pwd> -s base -b "dc=domain,dc=com" "objectclass=top" ? But strangely enough there is not network traffic at all when the SSL? connection is checked! (when clicking on next and the message "unable to contact Active Directory server, continue" appears) ? Ive done the following actions to make to monitor it: ? First I?ve disabled SELinux, in case that blocks something (just for testing). ? watch the tcp ip traffic with: tcpdump -nn -p port not ssh and ip host <Red Hat IP number> Here I can see that, when I don?t use the SSL connection, there is traffic towards my Widows AD, but when ive check the SSL option, there is no traffic at all, nothing. ? As well when I look at the iptables: added an extra line: iptables -I OUTPUT? 1 -d <Windows AD IP number> -j ACCEPT watch -d iptables -L ?nv ? I see the same result, traffic when I don?t use the SSL option and no traffic at all when the SSL option is checked. ? How can I get the message "unable to contact Active Directory server, continue" when there is no outgoing request from my Red Hat server. ? Ive made certificates at both sides (Windows and Red Hat) and exported and imported these certificated to the other server. ? Please advice on following steps I can take, what the problem can be and how it is possible that there is no traffic at all. ? Thanks in advanced. ? Matt ? ? Mathijs A. de Groot Consultant - Software Engineer _________________________________________ Logica - Releasing your potential George Hintzenweg 89 3068 AX Rotterdam Postbus 8566 3009 AN?Rotterdam Nederland T:? +31 (0) 10 253 7000 D: ? +31(0) 70 37 56627 E: math.de.groot at logica.com www.logica.com Logica Nederland B.V. Registered office in Amstelveen, The Netherlands Registration Number Chamber of Commerce: 33136004 ? This e-mail and any attachment is for authorised use by the intended recipient(s) only. It may contain proprietary material, confidential information and/or be subject to legal privilege. It should not be copied, disclosed to, retained or used by, any other party. If you are not an intended recipient then please promptly delete this e-mail and any attachment and all copies and inform the sender. 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