Hello,

I have problem with port changes of rados gateway node.
I don't know why but I cannot change listening port of civetweb.

My steps to install radosgw:
*ceph-deploy install --rgw gateway*
*ceph-deploy admin gateway*
*ceph-deploy create rgw gateway*

(gateway starts on port 7480 as expected)

To change the port I add the following lines to ceph.conf:
*[client.rgw.gateway]*
*rgw_frontends = "civetweb port=80"*

then I update it on all nodes:
*ceph-deploy --overwrite-conf config push admin-node node1 node2 node3
gateway*

After this I try to restart rados gateway:
*systemctl restart ceph-radosgw@rgw.gateway*

But after restart it doesn't work and
/var/log/ceph/ceph-client.rgw.gateway.log shows this:
2016-02-17 16:06:03.766890 7f3a9215d880  0 set uid:gid to 167:167
2016-02-17 16:06:03.766976 7f3a9215d880  0 ceph version 9.2.0
(bb2ecea240f3a1d525bcb35670cb07bd1f0ca299), process radosgw, pid 2810
2016-02-17 16:06:03.859469 7f3a9215d880  0 framework: civetweb
2016-02-17 16:06:03.859480 7f3a9215d880  0 framework conf key: port, val: 80
2016-02-17 16:06:03.859488 7f3a9215d880  0 starting handler: civetweb
2016-02-17 16:06:03.859534 7f3a9215d880  0 civetweb: 0x7f3a92846b00:
set_ports_option: cannot bind to 80: 13 (Permission denied)
2016-02-17 16:06:03.876508 7f3a5f7fe700  0 ERROR: can't read user header:
ret=-2
2016-02-17 16:06:03.876516 7f3a5f7fe700  0 ERROR: sync_user() failed,
user=alex ret=-2

I have added 80 port to iptables and I haven't any firewalls on nodes.

Please help me change the port.

Regards, Alexandr
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