On 15/03/2012 16:20, Kelvin Edmison wrote:



On 12-03-15 8:36 AM, "Dimitris Tsompanidis"
<dimitris.tsompani...@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@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
Firewalls on both machines are disabled and the firewall in between is wide open, especially in the master->slave direction where I allow everything.

Dimitris

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