[Bug 242869] Re: dnsmasq's dhcp blocked to clients by firestarter

[Simon Kelley]

A useful bit of information here: ISC dhcpd uses raw sockets to grab
incoming packets before they pass through the IP stack and IP tables, it
therefore doesn't suffer from problems caused by broken firewall rules.
Dnsmasq uses standard IP sockets so that all incoming packets are
filtered by iptables.

It is therefore not the case that having dhcpd work with firestarter
means that the problem is solved and firestarter just has to do the same
for dnsmasq as for dhcpd. WIth dhpcd the problem is moot, but with
dnsmasq firestarter really has to get it right.

>From the dnsmasq FAQ:

Q: I'm using dnsmasq on a machine with the Firestarter firewall, and
   DHCP doesn't work. What's the problem?

A: This a variant on the iptables problem. Explicit details on how to
   proceed can be found at 
   http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2005q3/000431.html
 


Cheers,

SImon.

-- 
dnsmasq's dhcp blocked to clients by firestarter
https://bugs.launchpad.net/bugs/242869
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