RE: [webmin-l] Webmin Servers, Broadcast/scan

[Jamie C. <jca...@we...>]

On 16/Feb/2006 04:22 Neal Morgan wrote ..
> Jamie:
> 
> Thanks for the clarification.  I took the time to try this out and I
> find that both broadcast and scan only want to work if the UDP port on
> the servers is set to 10000.  My non standard port won't work there.  I
> see the UDP listener in place on the desired port using netstat, but it
> still doesn't seem to work.

Are you sure it isn't being blocked by a firewall? And that both the
sending a receiving systems are using the same port?

> Another minor issue: if your servers are multihomed and listen on all
> interfaces, the broadcast option finds them on all interfaces and adds
> multiple instances of the same machine.  I understand this is probably
> because they appear to be different based on IP - but they do report the
> same server name.  I wonder if it's worth de-duping on name, or at least
> prompting for confirmation before adding when more than one with the
> same name was found.

That is a tough one to solve, as presumably the different IPs won't resolve
to the same hostname..

 - Jamie

> Neither of these are show-stoppers, but maybe you'd want to add them to
> your list of future fixes...
> 
> As always, thanks for your support and the great software!
> 
> 
> 
> Regards,
> 
> Neal Morgan 
> 
> 
> -----Original Message-----
> From: web...@li...
> [mailto:web...@li...] On Behalf Of Jamie
> Cameron
> Sent: Tuesday, February 14, 2006 3:04 PM
> To: web...@li...
> Subject: Re: [webmin-l] Webmin Servers, Broadcast/scan
> 
> 
> <snip>
> 
> Hi Neal,
> Webmin actually listens on two ports, which by default are port 10000
> TCP
> and 10000 UDP. The first is for the actual HTTP connections, while the
> second
> is for accepting broadcasts from other Webmin servers. They are actually
> configured
> separately on the 'Ports and Addresses' page of the 'Webmin
> Configuration' module.
> 
> When sending a broadcast, Webmin will send to the same port number that
> it listens
> on itself.
> 
>  - Jamie
> 
> 
> 
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