Jon

Jon Clausen wrote:
> On Wed, 27 Jul, 2005 at 21:32:41 -0500, Charles Steinkuehler wrote:
> 
> 
>>I track bandwidth (and other stats) on several (about 8) LEAF boxes I have
>>in production.
> 
> 
> I'd like to set up something like this on (currently) 10+ LEAF boxes.

I am tracking a number of LEAF boxes using MRTG and Smokeping from a
central site.

>  
> ..
> 
> Among the stuff I'd like to stat on the LEAF boxes is the number of
> connections through each. Is this possible with net-snmp?

AFAIK not with MRTG, but it should not be very difficult to write a
probe for smokeping for example. Else you could always write a logging
script, which, running on the leaf box, would check connections and
report them, for example, using syslog to a remote logging machine.

> 
> 
> 
> Will something as simple as firewall rules be sufficient to prevent badness
> from happening?

No, but you can reduce the number of culprits.

> 
> And would the same apply to remote logging?

I don't know of syslog exploits, but then I don't follow CERT on a
regular basis.

> 
> I'm not happy about the thought of having this data go unencrypted through
> the Internet, but OTOH I need some way to track these hosts...

I am mostly using IPSEC tunnels for all the above, added a little
iproute2 magic to allow to use the tunnel from the LEAF box itself.

cheers

Erich



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