compiled from svn source and tried 4.0 stable.  I can easy recompile if
there are some flags to set for more debug info 

________________________________

From: [email protected]
[mailto:[email protected]] On Behalf Of Gary Gatten
Sent: 14 April 2011 21:09
To: '[email protected]'
Subject: Re: [Ntop] Custom Host Name



Hmmm....  Did you compile or use a distro package?  What version?  May
want to fetch current code and see if it works. Else, there are some
debugs in the source one can enable, but I think it will need a
recompile.  It spews EVERYTHING involved (or not involved) in reverse
lookups, or forward too I guess.

 

 

 

________________________________

From: [email protected]
[mailto:[email protected]] On Behalf Of Mark Gibbons
Sent: Thursday, April 14, 2011 3:05 PM
To: [email protected]
Subject: Re: [Ntop] Custom Host Name

 

My reverse dns is also broken - fails to resolve on fedora 6.

 

nslookup on the local machine works fine but ntop does not.  It used to
work about 2 years ago but I have had this issue a long time now and
have learnt to live with it.

 

________________________________

From: [email protected]
[mailto:[email protected]] On Behalf Of Gary Gatten
Sent: 14 April 2011 20:27
To: '[email protected]'
Subject: Re: [Ntop] Custom Host Name

It should do lookups unless you disable them with "-n", or unless your
local resolver or DNS is broken.  Can you manually resolve stuff on that
box?

 

Generally speaking -o is required.  It depends on your environment, but
if you have routers and stuff ntop will associate all your hosts with
the MAC address of the router - because it looks at layer 2 instead of
later 3.  That COULD be related to your resolution stuff, not sure....

 

G

 

 

________________________________

From: [email protected]
[mailto:[email protected]] On Behalf Of Paul Smith
Sent: Thursday, April 14, 2011 2:23 PM
To: [email protected]
Subject: Re: [Ntop] Custom Host Name

 

I don't.  Should I?  I'm using ntop on an ubuntu-server 10.10 with two
NICs and a port mirrored from the switch port that goes out to the
firewall.

I was hoping it would associate with the MAC to avoid situations where
DHCP leases have ended and the IP addresses recycled.

Is there a reason ntop doesn't just do an nslookup at least for local IP
addresses?

On Thu, Apr 14, 2011 at 2:11 PM, Gary Gatten <[email protected]>
wrote:

Typically the IP address.

Do you have "-o [--no-mac] in your startup args?
 

From: Paul Smith [mailto:[email protected]] 
Sent: Thursday, April 14, 2011 02:03 PM
To: [email protected] <[email protected]> 
Subject: [Ntop] Custom Host Name 
 

I've had ntop running just inside our firewall for a few days now but it
doesn't seem to be resolving any dns names.  If I go through and add a
few Custom Host Names will those names be associated with the hosts' IP
address or the MAC address?

 

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