Bacula-users

[Bacula-users] Remote backup through NAT?

2016-01-26 16:20:57
Subject: [Bacula-users] Remote backup through NAT?
From: Michael Munger <michael AT highpoweredhelp DOT com>
To: "'bacula-users AT lists.sourceforge DOT net'" <bacula-users AT lists.sourceforge DOT net>
Date: Tue, 26 Jan 2016 21:00:05 +0000
Hello everyone, this is my first time mailing this list, so guidance on 
etiquette is welcomed.

TLDR; = I have a server outside the firewall (john-fd is on 173.165.161.165) 
trying to backup to a storage daemon inside my LAN (d8-sd is on 
192.168.250.202). I have port forwarded (in my Monowall) tcp/9103, and I can 
successfully telnet from the remote server to the local sd. But, the console is 
forever saying: "...waiting on storage file" when I run the job. 

What I've done:
* Scoured the docs and tutorials
* Exhausted Google (and DuckDuckGo)
* Confirmed The software versions are all 5.6.2 (learned that one the hard way 
dealing with a Windows client!)
* Shutdown bacula-sd and confirmed telnet no longer connects, and when I 
restart bacula-sd it DOES connect.
* shutdown the firewall (everywhere - for testing) no joy
* opened 9101 and 9102 on our firewall and forwarded them to 192.168.250.202 
just in case any bacula service wants to communicate.
* used netstat -tanop to watch the telnet connections come in from the remote 
server to confirm that NAT is working properly.

What I think is going on:
D8-FD (the file director on the server where bacula-sd, the pools, and volumes 
reside) can connect to the remote server, and can issue commands to run the 
backup job. But, when the remote fd tries to connect back (through the firewall 
from "outside -> in") to the storage daemon, it's failing - despite the fact 
that the NAT is setup properly, and I can telnet through it. 

That doesn't make sense to me because it should either work or be broken. So, 
I'm thinking that if I can telnet to it, then the remote fd should also be able 
to work with it. Nmap also shows the port as open and reachable.

How else can I troubleshoot this "waiting on storage" problem?

PS. I am about 18 hours in to working with Bacula. Fantastic product, but don't 
be afraid to assume I have missed something rudimentary. I have two machines on 
the LAN working and backing up, so I have had some success, but it's still 
possible I've missed something simple...

Michael Munger, dCAP, MCPS, MCNPS, MBSS
High Powered Help, Inc.
Microsoft Certified Professional
Microsoft Certified Small Business Specialist
Digium Certified Asterisk Professional
michael AT highpoweredhelp DOT com


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