Firewall problem: Only works on a restart.

[Mikkel L. Ellertson]

Steven W. Orr wrote:
> On Sunday, Feb 8th 2009 at 17:15 -0000, quoth Mikkel L. Ellertson:
> 
> =>Steven W. Orr wrote:
> =>> I have a minor mystery and I don't know how to debug it.
> =>> 
> =>> I have two computers in the house. Machine A has two NICS, one of which
> =>> is hooked to the cable modem and sees the outside world. Also, Machine A
> =>> implements the IPTABLES firewall with NAT. Machine B and Machine A's 2nd
> =>> NIC are hooked up to a little hub. Ever since I upgraded to F10, I
> =>> notice that Machine B can't see the outside world unless I restart the
> =>> firewall. And just to make it interesting,
> =>> 
> =>> iptables -L > before
> =>> restart the firewall
> =>> iptables -L > after
> =>> 
> =>> diff before after
> =>> result is no difference
> =>> 
> =>
> =>Is the NIC connected to the hub brought up at boot?
> 
> Yes
> 
> =>
> =>Does it have a static IP address?
> 
> Yes
> 
> Does that give anyone any ideas?
> 
How are the rules for NAT written? Are using the hostname for
machine B, the IP address, or the connection? (eth1) If you are
using the hostname, is it in /etc/hosts? (Can IP tables resolve the
host name when the firewall is activated?)

Mikkel
-- 

  Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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