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Firewall is hiding...

acearchie

acearchie

macrumors 68040
Original poster
Jan 15, 2006
3,264
104
I recently went to the sharing icon in System preferances and clicked on Firewall,

It came up with a screen saying that there was another Firewall active and until I had disabled that one I could not use the Apple Firewall...

I had no knowledge that I had one running, I have probably installed on at one time but I normally delete things when I dont use them using clean app...

Can anyone think of a solution to this problem?

Thanks
 
I wish Apple would fix this graphically.

Open the Terminal application.

Type ipfw flush and press <return> or <enter> key.
 
bousozoku said:
I wish Apple would fix this graphically.

Open the Terminal application.

Type ipfw flush and press <return> or <enter> key.
Click to expand...

Damn, It seemed as though it was going to work! Then this happened!

Dont know what the solution will be!

EDIT: sorry dont know if it makes any difference but sytem preferences was not open when I tried the command!
 

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Eidorian said:
sudo time?
Click to expand...

ok, kinda missed that one!

EDIT: after a small search I've found its a shell command, anywho Im pretty basic with terminal and would need some help with this! Thanks though!
 
Looked great! I got this lovely screen
picture2ns9.png


But to no avail! I still get this irritating screen!
picture3hq9.png


I reckon I/we are getting closer to the solution though!

Thanks
 
So, I still have this problem alot later and would quite like a solution! Ha

Anyone have any suggestions?

Thanks
 
Code: 
sudo ipfw l

(that's a lowercase L)

This will list if ipfw2 is actually doing any port blocking. Default is:

Code: 
65535 allow ip from any to any

If that is what you see, then it's something else.
 
Ok i did that but I got what you had quoted?
(see picture)

But im confused, what does OSX think is acting as a firewall if all the ports are open?

Anyone shed any light on this?

And thank you to Yellow for getting me one step closer to the end of this conundrum!

Thanks
 

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ipfw is ALWAYS running. The default is what you see above, all ports open.
My guess is that the GUIfied control for ipfw is either out to lunch, or it thinks another firewall is running.

You can try to nuke:

/Library/Preferences/com.apple.sharing.firewall.plist

Restart

And check again if you can start the firewall up. If not..
 
yellow said:
ipfw is ALWAYS running. The default is what you see above, all ports open.
My guess is that the GUIfied control for ipfw is either out to lunch, or it thinks another firewall is running.

You can try to nuke:

/Library/Preferences/com.apple.sharing.firewall.plist

Restart

And check again if you can start the firewall up. If not..
Click to expand...

....and if its still a problem, bootup with no extensions running (hold shift during startup sequence). If you can then access firewall settings via Sys. Prefs, you might find a leftover in /System/Library/Extensions or in your Startup that is setting up a rule that is starting under normal boot.
 
yellow said:
ipfw is ALWAYS running. The default is what you see above, all ports open.
My guess is that the GUIfied control for ipfw is either out to lunch, or it thinks another firewall is running.

You can try to nuke:

/Library/Preferences/com.apple.sharing.firewall.plist

Restart

And check again if you can start the firewall up. If not..
Click to expand...

And if i just dont have one???
 

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yellow said:
Already covered:
Click to expand...

still pretty much way over my head...

Do you want me to still do the "sudo ipfw list"

or is that what I did before! My next step will be to try rebooting as you stated!
 
sudo ipfw l = sudo ipfw list

The question now is have you installed any sort of third party firewalls, or firewall log controller that might ahve taken ownership of firewall duties?
 
yellow said:
sudo ipfw l = sudo ipfw list

The question now is have you installed any sort of third party firewalls, or firewall log controller that might ahve taken ownership of firewall duties?
Click to expand...

Possibly little snitch but Ive disabled that and I still have the same problem.

I dont know if this helps but I tried to share my iTunes to my mums laptop and it would not share something about port 3XXX not being open.

So I did my old "sudo ipfw flush"

and it then started working! But then after I disconnect it does it again!

Thanks
 
yellow said:
nah, Little Snitch wouldn't do it.

So.. restart. Then when you login, give us the results of:

sudo ipfw list
Click to expand...

OK will do, currently caught me burning a DVD so it will be a bit but after that I will post straight away!
 
OK so i did that and got some rather odd results (see picture) I dont know if any of these are personal to me (as in I should blur them) so I have posted it completely uncensored, also I then successfully "sudo ipfw fulsh"-ed and now the sharing iTunes is working again!

Thanks again!
 

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Yeah, since you got that at startup.. something else is controlling ipfw.

You'll have to empower yourself to find out what it is.. perhaps something in /Library/StartupItems/ will lead you to the cause.
 
:-O

Okay couldnt have spelt it out more simply!!!

Do you think getting rid of this will solve this long running problem?
 

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