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From "John Zhuge (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DIRKRB-615) Can not connect to simplekdc server
Date Mon, 05 Dec 2016 19:33:58 GMT
John Zhuge created DIRKRB-615:
---------------------------------

             Summary: 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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