Re: Quick help with stateless firewall

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I think you need this,

iptables -I INPUT -p icmp --icmp-type 8 -j ACCEPT

You can also do -j LOG to see what makes it to a certain place in the chain.

Bryan

On Jun 15, 2013, at 7:38 PM, Alex Flex <aflexzor@xxxxxxxxx> wrote:

> Hello,
> 
> I have the following simpel stateless firewall... the issue is iam not able to send ICMPs queries from within the machine. What could I modify or add for this to be able to happen .  Also iam only intending to run a HTTP service and DNS service is it fine the way it is?
> 
> Also, I intend to keep the script stateless not wanting to use conntrack at all.
> 
> Thanks
> Alex
> 
> 
> #!/bin/bash
> 
> /sbin/iptables -F
> /sbin/iptables -X
> 
> /sbin/iptables -P INPUT DROP
> /sbin/iptables -P FORWARD DROP
> /sbin/iptables -P OUTPUT ACCEPT
> 
> #Accept SSH
> /sbin/iptables -A INPUT -p tcp -m tcp -s 204.199.62.74 --dport 22 -j ACCEPT
> 
> /sbin/iptables -A INPUT -p tcp --dport 1000:65535 -j ACCEPT
> /sbin/iptables -A INPUT -p tcp --dport 80 -j ACCEPT
> /sbin/iptables -A INPUT -p udp --dport 53 -j ACCEPT
> /sbin/iptables -A INPUT -p tcp --dport 53 -j ACCEPT
> 
> 
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