Thanks, Brad

> > > Feb 4 17:29:52 Nimrod kernel: Packet log: input REJECT eth1 PROTO=17
> > > 10.10.10.2:4813 10.0.0.14:161 L=84 S=0x00 I=58236 F=0x0000 T=128 (#39)
> >This is a machine broadcasting/requesting SNMP service. Are one of
> >your boxes managing the ouside router or being polled for SNMP info?
> The only thing currently behind the firewall is an NT4 box for testing
> purposes. I checked it under control panel > services for SNMP but there
> wasn't anything listed.
This is a WAG, but sometimes M$ machines will spew SNMP requests
to printers they have configured.  I suspect the "SNMP service"
is a daemon that listens for requests, not an agent which polls
SNMP-enabled devices.  Is 10.10.10.2 the NT server's address?
Do you recognize the 10.0.0.14 address?
Yep the NT's address is 10.0.0.2, the printer it would connect to when it was outside of the firewall had the static ip 192.168.1.11. I don't recognize the .14 address. The only other thing with a 10.10.10. address should be eth1 on the firewall, which is 10.10.10.254.


> input DENY eth0 PROTO=17 0.0.0.0:68 255.255.255.255:67 L=338 S=0x00 I=0
> F=0x0000 T=128 (#5)
A machine on the network hooked to eth0 (typically the external
interface) is requesting a DHCP lease.  It doesn't have an
address yet, so it uses the address 0.0.0.0 and broadcasts the
request to everyone who is listening (255.255.255.255).
Okay, so I can safely ignore it then. The machines outside of the firewall should all be getting their DHCP leases from our ISP's router.




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