[Firehol-support] Routing between virtual interfaces

[Costa Tsaousis]

Morin,

 

Grab the latest firehol from http://firehol.sf.net/firehol.tar.gz

To do it, execute as root:

 

# cd /tmp

# wget http://firehol.sf.net/firehol.tar.gz

 

Untar it:

 

# tar zxvpf firehol.tar.gz

 

Go into /tmp/firehol/ directory and run the firehol wizard:

 

# cd /tmp/firehol

# ./firehol.sh wizard >/tmp/firehol.conf

 

Open /tmp/firehol.conf with an editor and at the very top insert this line:

 

masquerade ppp+

 

Save it and now activate this firehol.conf (while still in /tmp/firehol/
do):

 

# ./firehol.sh /tmp/firehol.conf

 

It will ask you to commit it once it is activated. Please do so. Keep in
mind that the wizard has ACCEPT rules for everything found to be running
(for example it will ACCEPT traffic from the internet, for everything
running).

 

Now, please make your tests again. Do they work?

 

If yes, please examine /tmp/firehol.conf to find out how you should
configure your firewall.

If not, please:

 

1.       send us /tmp/firehol.conf, It will be long, so please attach it to
the e-mail.

2.       Send us also the output of the commands (on the firewall):

 

# ip link show

# ip route show

# ip rule show

 

And answer the following questions:

 

a)      How to you setup your hosts? DHCP or static?
If it is DHCP, please attach the configuration of your dhcp server.

 

b)      Pick any two hosts, each in a different subnet to make some tests
with, and for both of them please give us this info:

a.       IP Address

b.      Subnet Mask

c.       Broadcast Address

d.      Default Gateway

 

Thanks,

 

Costa

 

 

From: M. O. [mailto:mofog at hotmail.com] 
Sent: Thursday, February 12, 2009 9:52 PM
To: cefrodrigues at gmail.com
Cc: firehol-support at lists.sourceforge.net
Subject: Re: [Firehol-support] Routing between virtual interfaces

 

No more suggestions?
If this was caused by a small glitch in firehol itself, I'd be willing to
offer my system as a test course. Just let me know if I can be of any
assistance. I just wanted to let you know that I won't be available for the
next 10 days. Afterwards, I'm going to merge the subnets to avoid further
complications, in case no one has any hints left.


Thanks for the great support so far!

Morin 




> Date: Sun, 8 Feb 2009 18:16:15 +0000
> Subject: Re: [Firehol-support] Routing between virtual interfaces
> From: cefrodrigues at gmail.com
> To: mofog at hotmail.com
> CC: firehol-support at lists.sourceforge.net
> 
> On Fri, Feb 6, 2009 at 7:11 PM, M. O. <mofog at hotmail.com> wrote:
> > As you can see, there are some contradictory statements: one maps the
> > traffic from 192.168.0.4 to 192.168.1.51 successfully to the rule
> > "DELTA2BRO", and the next line tells the exact opposite (same addresses
are
> > mapped to "PASS-unknown"). I'm quite in despair now.
> 
> What does your firehol.conf look like? Are you accepting all traffic?
> 
> -- 
> Carlos Rodrigues

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