[hobbit] Invalid client message

[Henrik Stoerner]

On Mon, Sep 12, 2005 at 12:03:44PM +0200, Christian Schlüter wrote:
> The hobbitd section reports the following status message:
> 
> Latest errormessages:
> Invalid client message - blank hostname
> 
> Now I would like to see the IP of the server sending this invalid client 
> message to solve the Problem.

OK, added this for the next version.

> In general the IP-Adresses of the senders should be checked by comparing 
> it with a nslookup of the hostname, because it's a security issue when 
> any host can send the reports for another host (It works - I just 
> tried!) which could be damaged without that the HobbitMon notices it...

DNS lookups are expensive, and a host may not have a DNS entry at all.
So it's done differently - check the hobbitd(8) man-page for the 
"--status-senders" option. What you've seen is just the default
behaviour.


Regards,
Henrik