Re: [tlug] Serious Help Needed with DHCP

["Eric O. Flores" <eoflores@example.com>]

Scott I printed out the entire content generated by iptables -L -n

> > > Do you have a packet filter rule that is keeping dhcp requests
> > > from reaching the server?
> > 
> > I opted for now to have no firewall protection but I am now sure if that
> > is working.
> 
> Assuming MD works like most distributions, you should be able to check
> that with 

> iptables -L -n 

The result shows:

Chain INPUT (policy DROP)
target     prot opt source               destination
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0          udp spt:68
dpt:67
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0          tcp spt:68
dpt:67
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0          udp spt:67
dpt:68
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0          tcp spt:67
dpt:68
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0          udp dpt:53
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0          tcp dpt:53
DROP       tcp  --  0.0.0.0/0            127.0.0.0/8
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0          state
RELATED,ESTABLISHED
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0
DROP       all  --  224.0.0.0/4          0.0.0.0/0
INT_IN     all  --  0.0.0.0/0            0.0.0.0/0
PUB_IN     all  --  0.0.0.0/0            0.0.0.0/0

Chain FORWARD (policy DROP)
target     prot opt source               destination
ACCEPT     all  --  192.168.0.0/24       0.0.0.0/0
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0          state
RELATED,ESTABLISHED

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination
INT_OUT    all  --  0.0.0.0/0            0.0.0.0/0
PUB_OUT    all  --  0.0.0.0/0            0.0.0.0/0

Chain INT_IN (1 references)
target     prot opt source               destination
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0          tcp
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0          udp
ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0
DROP       all  --  0.0.0.0/0            0.0.0.0/0

Chain INT_OUT (1 references)
target     prot opt source               destination
ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0

Chain PUB_IN (1 references)
target     prot opt source               destination
DROP       all  --  0.0.0.0/0            192.168.0.0/24
DROP       all  --  192.168.0.0/24       0.0.0.0/0
ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0          icmp type 3
ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0          icmp type 0
ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0          icmp type 11
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0          tcp
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0          tcp dpt:53
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0          udp
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0          udp dpt:53
DROP       icmp --  0.0.0.0/0            0.0.0.0/0
DROP       all  --  0.0.0.0/0            0.0.0.0/0

Chain PUB_OUT (1 references)
target     prot opt source               destination
REJECT     icmp --  0.0.0.0/0            0.0.0.0/0          icmp type 3
reject-with icmp-port-unreachable
REJECT     icmp --  0.0.0.0/0            0.0.0.0/0          icmp type 11
reject-with icmp-port-unreachable
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0