Debian Linux - Remove all IPtables modules from a running Debian serv ...

Remove all IPtables modules from a running Debian server

It's a long story but I have a production server that has IPtables running on it and it has loaded up a few obvious IPtables modules.

I need to carefully unload those modules so I can run something else (obviously without causing any problems to a critical server).

I have these listed but how can I be absolutely sure that I've manually rmmod X properly and unloaded them all before trying this other software ?

Module Size Used by

xt_multiport 2794 16

nf_conntrack_ipv4 12742 42

nf_defrag_ipv4 1481 1 nf_conntrack_ipv4

xt_state 1490 42

nf_conntrack 73326 2 nf_conntrack_ipv4,xt_state

xt_tcpudp 2667 44

iptable_filter 1841 1

ip_tables 18201 1 iptable_filter

x_tables 22361 4 xt_multiport,xt_state,xt_tcpudp,ip_tables

Thanks !

Asked by:

BonoEstente

1464 points

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Responses in reverse (2)

Thanks but that's not really what I'm looking for :(

How can I be certain that _all_ IPtables modules are _safely_ removed ?

Response by:

BonoEstente

1464 points

You can use "rmmod" but if some modules are busy, you can not remove

first of all, execute "iptables -F" to flush , then use "iptables -L"

and see result, at last remove modules...

also, you can compile kernel without iptables....

Response by:

jalal

3623 points

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