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Re: Internet stops working right after startup

Hi Frank

I have not read all the configs you sent yet, but a few things:

you might want to blank out your public address when sending configs to mailing lists

can you give the output of this

for i in raw mangle filter nat
do echo -e "\n\n$i:"; iptables -t $i -nvL

this will show the config for all the tables and in a little more detail

also your firewall appears to be mis configured
    Chain INPUT (policy DROP)
    target     prot opt source               destination
    ACCEPT     all  --  anywhere             anywhere

this will accept ALL incoming connections

Frank Razenberg wrote:
Hi Ajitabh,

I attached the information you asked. Apologies for the mail I just sent to your address instead of to the mailing list.


Ajitabh Pandey wrote:
Hi Frank,

2009/1/21 Frank Razenberg <frank@zzattack.org <mailto:frank@zzattack.org>>

    Some details that might help identify my problem:
    - I set ipmasq to start after services have been started using
    - in /etc/network/interfaces, for eth0 I execute a script after
    eth0 is brought up. This script initializes iptables rules and ip
    - I use dnsmasq as DHCP and DNS server.
    - The eth0 interface gets it's IP from a DHCP server by my ISP,
    eth1 has a static ip.

To start with, it will be helpful if you could send the following:

(1.) The iptables rule-set
(2.) Output of ifconfig
(3.) Output of route -n
(4.) Contents of /etc/hosts and /etc/resolv.conf
(5.) DNSMASQ configuration file.

--  Ajitabh Pandey
http://www.ajitabhpandey.info/ | http://www.unixclinic.net/
ICQ - 150615062
Registered Linux User - 240748

Mark Chong
System Administrator
Quick Knowledge
p: 03 9804 2130
f: 1800 657 778
mail: mchong@qk.com.au
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