IPtables problem

KallDrexx · n00b Joined: 20 Apr 2002 Posts: 23

ok I compiled IPtables into a module and:

Nitro · Posted: Fri Apr 26, 2002 11:28 am Post subject:

What does running depmod -a tell you?
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KallDrexx · n00b Joined: 20 Apr 2002 Posts: 23

depmod -a returns:

Nitro · Posted: Fri Apr 26, 2002 8:20 pm Post subject:

Try recompiling your kernel and modules. That will most likely solve your problem.

pepper · n00b Joined: 06 May 2002 Posts: 1 Location: Atlanta, GA

I'm having pretty much the exact same problem. I've rebuilt the kernel at leat 15 times with every option mix imaginable. I've tried building directly into the kernel as well as building as modules. Did you ever find a soultion to this?

klieber · Posted: Mon May 06, 2002 8:52 pm Post subject: Re: Same Problem here

shakti · Guru Joined: 15 May 2002 Posts: 358 Location: omnipresent

it would be nice to find a solution to this as i have same problem...
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nizZy · n00b Joined: 27 May 2002 Posts: 28 Location: Sweden

Yeah! Ive got the same problem too... I was thinkin' bout System.map where should that file be? Ive tried to compile both ipchains and iptables both as modules and in to the kernel. The only thing that worx, for me, is ipchains in kernel.. But i want iptables. Fuck, have benn compiling for 3 days now =)

FINITE · Guru Joined: 10 May 2002 Posts: 449

There are alot of deps in the kernel that have to also be compiled into the kernel for iptables to work correctly or at all. Basically you would be safe in adding everything under the netfilter catogory accept for the experimental and obvious -do not need- things. I was having problems myself untill figuring out that there needed to be much more compiled in besides ip_tables. Here is a link to an howto that shows the basic things that need to be there:http://www.knowplace.org/netfilter/kernelconfig.html This also seems to be a good site on how to set everything esle up, less cryptic than others I have seen.

nizZy · n00b Joined: 27 May 2002 Posts: 28 Location: Sweden

i think i solved the problem with a "make mrporper" before everything else..

shakti · Guru Joined: 15 May 2002 Posts: 358 Location: omnipresent

well i found out the following by trial and error:
with my current kernel (2.4.19-r1) i cant get iptables to work...unresolved symbols..whatever i try but everything else works
updating to 2.4.19-gentoo-r5 ip_tables work but i need to disable acpi for keyboard to work but then my comp does not power off by himself and more anoying my mouse will not work, neither usb nor ps2.
this is using the same config file for both times i compile the kernel.
Next step i guess is trying vanilla sources.... altough i would like to know where i fail, i know other people get it to work.
keep on hacking :roll:

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Vlad · Posted: Fri Jun 07, 2002 6:26 am Post subject:

Take my advice. Compile iptables statically into the kernel. Trying to troubleshoot the depmod errors is tedious and mind numbing.

shakti · Guru Joined: 15 May 2002 Posts: 358 Location: omnipresent

well i am now running vanilla sources and... everything works like a brand new humming ducati...
So it seems there is an issue with the gentoo sources. :cry:

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Zu` · l33t Joined: 26 May 2002 Posts: 716 Location: BE

shakti · Guru Joined: 15 May 2002 Posts: 358 Location: omnipresent

i use the make mrproper every time i compile a kernel, and used the same config file for all compiles.... so it 'should' have worked no?
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shakti · Guru Joined: 15 May 2002 Posts: 358 Location: omnipresent

just a note to end this :
using gentoo r7 sources resolves the problem
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Tuna · Guru Joined: 19 Jul 2002 Posts: 485 Location: Berlin

just please not end this

gentoo sources r7 doesnt resolve that problem for me..
i also recompiled a lot of things.. make mrproper.. everything i could think of. still the same error..

then i decided clean up some stuff.. removed the leftovers of my 2.4.19-r1 including modules.. and tried to rebuild 2.4.19-r7 once again.. completely clean.. well.. so now i have screwed ethernet modules too.. nice

so.. i would really appreciate if someone could explain how the kernel and modules and system.map interact together.. as i obviously do something extremely wrong.. because i honestly dont know whats going on here...

Tuna · Guru Joined: 19 Jul 2002 Posts: 485 Location: Berlin

ok.. someone told me that it is most likely a dependency error..
and it looks like that 'make dep' isnt reliable in all cases..

maybe i blew up the ethernet modules myself after spending so much time on that error and getting a little bit upset.. i have to check that.

Utoxin · Posted: Thu Sep 05, 2002 6:37 pm Post subject:

I'd recommend that you back up your kernel config, and do a 'make mrproper', then reconfigure the kernel. It sounds like you've got some bad links in your tree somewhere, and make mrproper will clean them up.
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Tuna · Guru Joined: 19 Jul 2002 Posts: 485 Location: Berlin

i tested another gentoo machine with that.. this time it was a 2.4.18-xfs kernel... well guess what.. same problem there too..
i tried mrproper on that 2.4.19 several times.. with r1 and r7.. no go.
i also reconfigured the kernel without loading any .config file to see if i have b0rked something in there..

google does return me about 2 mio other users having that problem.. 4 people replied - and gave tips.. but no one really seems to _know_ whats happening here...

i may paste the error in detail later.. maybe im really just too dump for that..
unresolved symbol nf_unregister_sockopt
unresolved symbol nf_unregistered_hook
something like these are the troublemakers...

p.s. i know compiling the whole iptables stuff into the kernel might work.. but i want to know the solution for that one.. these things are meant to be to work as modules too, right?

*EDIT*
ok.. i got it working.. i made everything like i did 4 or 5 times before...
maybe i should take a longer nap next time before messing with the kernel.
i obviously missed something

psp · Posted: Fri Sep 06, 2002 1:15 pm Post subject:

I've had the same problem - my "solution" has been to:

virus · Posted: Wed Oct 23, 2002 10:48 am Post subject: removing all modules

I have to second this (from psp)... I had the same problem... tried make mrproper etc. etc. but when I removed the modules in /lib/modules/<kernel version> everything worked suddenly.
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TenPin · Guru Joined: 26 Aug 2002 Posts: 500 Location: Kansas City

I always use the Vanilla kernels as I have never had a problem with them and my server and iptables firewall box has 329 days uptime =).

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ashkar · n00b Joined: 26 Sep 2002 Posts: 48

i will also verify that removing the modules by hand solved the problem with unresolved dependencies. using gentoo sources 2.4.19-r9

whit · Posted: Mon Dec 30, 2002 9:09 pm Post subject: Same problem with 2.4.20 generic

Dang it. Then read this thread and tried the "make mrproper" which of course (but I'd forgotten it would) tossed out the .config file. Double dang.

So it the lesson that if you build without iptables, and then build with, you're up a creek unless you totally clean out the first build (mrproper plus its installed modules)??