iB::Topic::how do I check that rc.firewall is running

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Topic: how do I check that rc.firewall is running, ps -A doesn't show rc.firewall

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TWILIGHT32 Offline

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Posts: 13
Joined: Oct. 2006

Posted: Mar. 01 2008,13:56

another newbie question.

I have installed rc.firewall and started it. however ps -A doesn't show me it is running.

is there any way I can check it is really running ?

thanks

lucky13

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Posts: 1478
Joined: Feb. 2007

Posted: Mar. 01 2008,14:08

Which version of DSL are you running? That extension is for the 2.4.26 kernel, not 2.4.31. If you started it with the correct kernel version, it's running. You can stop it from console and restart and it should show your IP, etc.

Code Sample

sudo /etc/init.d/rc.firewall stop
sudo /etc/init.d/rc.firewall start

If you're running kernel 2.4.31, I think you will get some errors for iptable mismatch because it's going to look for them in /lib/modules/2.4.26.

--------------
"It felt kind of like having a pitbull terrier on my rear end."
-- meo (copyright(c)2008, all rights reserved)

skaos

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Posts: 430
Joined: April 2004

Posted: Mar. 01 2008,15:53

I don't think the firewall is a separate process, it is part of the kernel. You can use this command to list the rules:
iptables -L

TWILIGHT32 Offline

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Posts: 13
Joined: Oct. 2006

Posted: Mar. 02 2008,15:54

Hello skaos,
thanks for your reply.
this is what I get when I run the iptables -L command, however I don't know how to interpret this. does that look ok to you?

thanks
*****************************************************************

with DSL userid:------------------
dsl@box:~$ iptables -L
Note: /etc/modules.conf is more recent than /lib/modules/2.4.31/modules.dep
iptables v1.2.6a: can't initialize iptables table `filter': Permission denied (you must be root)
Perhaps iptables or your kernel needs to be upgraded.

using sudo --------------------
dsl@box:~$ sudo iptables -L
Chain INPUT (policy DROP)
target prot opt source destination
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT all -- anywhere anywhere state NEW
TRUSTED all -- anywhere anywhere state NEW

Chain FORWARD (policy DROP)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination
DROP icmp -- anywhere anywhere state INVALID

Chain TRUSTED (1 references)
target prot opt source destination
ACCEPT icmp -- anywhere anywhere icmp echo-request
DROP icmp -- anywhere anywhere

TWILIGHT32 Offline

Group: Members
Posts: 13
Joined: Oct. 2006

Posted: Mar. 02 2008,16:00

Hi Lucky13
thanks for your reply.
attached below is what I get when I stop and start the firewall using the commands you sent.

I get the same message when I start the rc.firewall from mydsl menu.

it still doesn't show anything under ps -A . Unless as Skaos suggested the rc.firewall is part of the kernel.

can anyone confirm that ?

thanks

=============================================
dsl@box:~$ sudo /etc/init.d/rc.firewall stop
-> Projectfiles.com Linux Firewall version 2.0rc9 running.
-> Performing sanity checks. [ PASSED ]
-> Firewall disabled.
dsl@box:~$ sudo /etc/init.d/rc.firewall start
-> Projectfiles.com Linux Firewall version 2.0rc9 running.
-> Performing sanity checks...... [ PASSED ]
-> Building firewall.... [ DONE ]
-> Successfully secured the following addresses:

6 replies since Mar. 01 2008,13:56

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Damn Small Linux Board » MyDSL Extensions » System » how do I check that rc.firewall is running