[Freeipa-users] Replica creation problem - IPv6?

[Kelvin Edmison]

On 12-03-15 8:36 AM, "Dimitris Tsompanidis"
<dimitris.tsompanidis at comeon.com> wrote:

>    Hi all,
>  
>  I'm trying to set up a FreeIPA replica on a new Fedora 16 VM.
>  The process fails when ipa-replica-install starts checking for connectivity
> from the master server side towards the new replica.
>  
>   
> # ipa-replica-install -N /var/lib/ipa/replica-info-ldaps01.example.com.gpg
>  [... lines of output ...]
>  Execute check on remote master
>  
>  Remote master check failed with following error message(s):
>  
>  Connection check failed!
>  Please fix your network settings according to error messages above.
>  If the check results are not valid it can be skipped with --skip-conncheck
> parameter.
>  
>  
>  Running the connectivity check on its own from the server gives me the
> following output:
>  
> Check connection from master to remote replica 'ldaps01.example.com':
>     Directory Service: Unsecure port (389): FAILED
>     Directory Service: Secure port (636): FAILED
>     Kerberos KDC: TCP (88): FAILED
>     Kerberos KDC: UDP (88): OK
>     Kerberos Kpasswd: TCP (464): FAILED
>     Kerberos Kpasswd: UDP (464): OK
>     HTTP Server: Unsecure port (80): FAILED
>     HTTP Server: Secure port (443): FAILED
>  Port check failed! Inaccessible port(s): 389, 636, 88, 464, 80, 443
>  
>  
>  To actually see what's going on, I run 'netstat -tuan' to see what ports are
> open while ipa-replica-install waits for me to type my admin password (just
> before the remote master check):
>  
> [root at ldaps01 ~]# netstat -tuan
>  Active Internet connections (servers and established)
>  Proto Recv-Q Send-Q Local Address               Foreign Address
> State
>  tcp        0      0 0.0.0.0:22                  0.0.0.0:*
> LISTEN
>  tcp        0      0 127.0.0.1:25                0.0.0.0:*
> LISTEN
>  tcp        0      0 192.168.98.10:22            192.168.10.128:12548
> ESTABLISHED
>  tcp        0     48 192.168.98.10:22            192.168.10.128:12597
> ESTABLISHED
>  tcp        0      0 :::80                       :::*
> LISTEN
>  tcp        0      0 :::464                      :::*
> LISTEN
>  tcp        0      0 :::88                       :::*
> LISTEN
>  tcp        0      0 :::443                      :::*
> LISTEN
>  tcp        0      0 :::636                      :::*
> LISTEN
>  tcp        0      0 :::389                      :::*
> LISTEN
>  udp        0      0 192.168.98.10:123           0.0.0.0:*
>  udp        0      0 127.0.0.1:123               0.0.0.0:*
>  udp        0      0 0.0.0.0:123                 0.0.0.0:*
>  udp        0      0 :::464                      :::*
>  udp        0      0 :::88                       :::*
>  udp        0      0 :::123                      :::*
>  
>  It seems that the replica procedure automatically binds to IPv6 addresses
> (although I've disabled IPv6 on eth0 and on loopback, remove IPv6 entries from
> /etc/hosts and /etc/resolve.conf).
>  
>  NTP listens on both ipv4 and ipv6 locahost but that's because I choose to
> handle it a separate service on its own.
>  
>  FreeIPA server is 2.1.4-5 on both ldap (master) and ldaps01 (slave).
>  
>  Regards,
>  Dimitris
>  

The problem may be your firewall rules.  run
sudo /sbin/service iptables status
to see the list of active firewall rules.

Make sure that the list of open ports includes those in this ticket
https://fedorahosted.org/freeipa/ticket/2110

Regards,
  Kelvin