Hi Tim,
since you're using the hostname "hostname.example.com" to specify the
network interface the Graylog REST API should listen on (using
rest_listen_uri), Graylog is resolving the hostname on startup and using
the first IP address this request returns – in your case 127.0.0.1 from
your /etc/hosts file.
In my opinion it doesn't make much sense to have multiple IP addresses per
hostname on a local machine (enforced by your /etc/hosts file) as this is
usually also a source of strange errors regarding networking. I'd recommend
removing the following line completely:
127.0.1.1 hostname.example.com hostname
Cheers,
Jochen
On Friday, 31 July 2015 11:30:56 UTC+2, Tim Cooper wrote:
>
> I am currently in the process of switching to HTTPS for REST communication
> between my graylog-web frontend and graylog-server nodes but I am having an
> issue that when I configure the graylog-server to use https the service
> only binds to the loopback 127.0.1.1 instead of the eth0 address:
>
> netstat -an | grep 12900
> tcp6 0 0 127.0.1.1:12900 :::*LISTEN
>
> My rest_listen_uri is set to match the certificate I'm using and as https
> (real domain removed) and the certificate and key are configured (real
> paths removed) and the graylog-server service startsup fine, connects to
> elasticsearch and the inputs start as normal:
>
> rest_listen_uri = https://hostname.example.com:12900/
>
> rest_enable_tls = true
> rest_tls_cert_file = cert.cer
> rest_tls_key_file = key.key
>
>
> This is an Ubuntu 14.04.2 box and my /etc/hosts looks like this (real
> domains removed)
>
> 127.0.0.1 localhost
> 127.0.1.1 hostname.example.com hostname
> 10.106.249.71 hostname.example.com hostname
>
>
> Is this something I am doing wrong, or should the graylog-server process
> know from this config it's not supposed to start on the loopback IP?
>
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