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Posted to dev@directory.apache.org by "Kai Zheng (JIRA)" <ji...@apache.org> on 2016/12/06 11:11:25 UTC
[jira] [Commented] (DIRKRB-615) Can not connect to simplekdc server
[ https://issues.apache.org/jira/browse/DIRKRB-615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15724871#comment-15724871 ]
Kai Zheng commented on DIRKRB-615:
----------------------------------
Hello John,
I'm not sure about how your suggestion would fix the issue, but guess a simple fix could be, have the KDC server started with both TCP and UDP opened?
> Can not connect to simplekdc server
> -----------------------------------
>
> Key: DIRKRB-615
> URL: https://issues.apache.org/jira/browse/DIRKRB-615
> Project: Directory Kerberos
> Issue Type: Bug
> Affects Versions: 1.0.0-RC2
> Reporter: John Zhuge
>
> Started a simplekdc server which generated the following krb5.conf:
> {code}
> [libdefaults]
> kdc_realm = EXAMPLE.COM
> default_realm = EXAMPLE.COM
> udp_preference_limit = 1
> kdc_tcp_port = 10088
> #_KDC_UDP_PORT_
> [realms]
> EXAMPLE.COM = {
> kdc = localhost:10088
> }
> {code}
> But kinit failed to connect to simplekdc server on Mac:
> {noformat}
> $ kinit jzhuge
> jzhuge@EXAMPLE.COM's password:
> kinit: krb5_get_init_creds: unable to reach any KDC in realm EXAMPLE.COM, tried 1 KDC
> {noformat}
> Wireshark showed kinit used UDP, while simplekdc was configured with TCP. Replaced the {{kdc}} option in krb5.conf with {{kdc = tcp/localhost:10088}}, kinit was able to connect.
> Suggested fix:
> Add {{<service>/}} prefix to option {{kdc}} in the template https://github.com/apache/directory-kerby/blob/trunk/kerby-kerb/kerb-simplekdc/src/main/resources/krb5-template.conf and https://github.com/apache/directory-kerby/blob/trunk/kerby-kerb/kerb-simplekdc/src/main/resources/krb5_udp-template.conf.
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