[Nut-upsuser] Can't get NUT slave to connect to master

Jonah Naylor jonahnaylor at gmail.com
Thu Nov 24 21:58:22 UTC 2016

Hi thanks for the reply.

I installed Nut via apt-get, not from source (which I'd rather stick with
if possible just for ease of security updates etc) - so I'm not too sure if
TCP wrappers are there or available...

This could be the problem, am I still able to add the wrappers in with
prebuilt packages?

Thanks very much once again. :)

On 24 November 2016 at 21:51, Roger Price <roger at rogerprice.org> wrote:

> On Thu, 24 Nov 2016, Jonah Naylor wrote:
> The servers can ping each other... The router log doesn't show anything
>> and I am the admin for the servers. The machines firewalls allow each
>> other's ips etc. Part of the issue is possibly that I just don't know if
>> I've set up NUT correctly for this arrangement? Like I say it works ok on
>> LAN, but not across networks. Is there something I should be doing other
>> than adding "allowfrom = ipaddressofslave" to the upsd.users file on the
>> master?
> Does your NUT have TCP wrappers compiled in?  In that case is
> /etc/hosts.allow on the master set to allow the traffic?
> When you issue a NUT command on the slave, addressed to the master, does
> tcpdump on the master's subnetwork show the traffic to port 3493?
> Roger
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