[Dnsmasq-discuss] DHCP doesn't seem to respond to requests(?)

[dnsmasq at lovelady.com]

Sorry, I don't know what you mean.  A little on the cryptic side for me,
sorry.

I have no shorewall.  I followed these instructions, relevant to this
device:

To deactivate the firewall you need to edit /etc/init.d/oe-bootfinish, go to
line 114 and comment out, or delete, this line:

/etc/init.d/iptables ifup > /dev/null 2>&1

now you need to clear the current iptables rules, you can simply reboot the
Stora or delete them manually using:

> sudo /sbin/iptables -F



Then I rebooted.

After reboot, output of 
    iptables -L -n
is as follows:

iptables -L -n
Chain INPUT (policy ACCEPT)
target     prot opt source               destination
INPUT-INTERNAL  all  --  169.254.0.0/16       0.0.0.0/0
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0
REJECT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:515
reject-with icmp-port-unreachable
INPUT-INTERNAL  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
ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0           icmp type 8
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:80
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:443
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:22
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:22
REJECT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:113
reject-with icmp-admin-prohibited
DROP       all  --  0.0.0.0/0            0.0.0.0/0

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Chain INPUT-INTERNAL (2 references)
target     prot opt source               destination
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0

Dennis Lovelady
--
Tom Seaver: "What time is it?"
Yogi Berra: "You mean now?" 


> > > > My configuration is simple for now:
> >
> > # (latest)
> > domain-needed
> > bogus-priv
> > expand-hosts
> > domain=lovelady.com
> > dhcp-range=192.168.0.150,192.168.0.249,72h
> > dhcp-host=00:23:8b:8a:ad:70,192.168.0.249
> > log-dhcp
> >
> > > 1. turn on logging by adding "log-dhcp" and tail -f .../messages
> > > 2. run "tcpdump -i eth0 port bootpc or port bootps" on server
> >
> > Stopped iptables and flushed with -F on both systems.
> >
> iptables -F does not change policy. If you had DROP...
> 
> # shorewall clear
> # tcpdump
> listening on loc, link-type EN10MB (Ethernet), capture size 65535 bytes
> 03:39:55.090620 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP,
> Request from 52:54:00:12:34:56 (oui Unknown), length 390
> 03:39:55.091080 IP 192.168.2.1.bootps > 192.168.2.2.bootpc: BOOTP/DHCP,
> Reply, length 300
> 
> # iptables -P INPUT DROP
> # tcpdump
> listening on loc, link-type EN10MB (Ethernet), capture size 65535 bytes
> 03:40:37.588198 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP,
> Request from 52:54:00:12:34:56 (oui Unknown), length 390
> [ ****** no reply ******* ]
> 03:40:38.560985 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP,
> Request from 52:54:00:12:34:56 (oui Unknown), length 390
> 
> --
> jasiu
> 
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