Check 2 thing's: if you have modules autoload [x] in the kernel, and / or if the modules are built in - if so they aren't able to be calling neither with modprobe or insmod ... hope it helps On Mon, Mar 17, 2003 at 08:09:42PM +0800, Bobo wrote: > > > How to load modules needed by iptables? > > While setup iptables firewall,I met a strange question. > I learned the following scripts frome the famous Iptables tutorail > wirtten by Oscar Andreasson. > If I input the following scripts ,and run it in a bash file. > **************************** > > /sbin/modprobe ip_tables > /sbin/modprobe ip_conntrack > /sbin/modprobe iptable_filter > /sbin/modprobe iptable_mangle > /sbin/modprobe iptable_nat > /sbin/modprobe ipt_LOG > /sbin/modprobe ipt_limit > /sbin/modprobe ipt_state > *************************** > and the message on the screen is : > > > modprobe: Can't locate module ip_tables > modprobe: Can't locate module ip_conntrack > modprobe: Can't locate module iptable_filter > modprobe: Can't locate module iptable_mangle > modprobe: Can't locate module iptable_nat > modprobe: Can't locate module ipt_LOG > modprobe: Can't locate module ipt_limit > > If I input it by hand under command line mode each time a line,I > would not get the error message. > Why? > What is the difference between modprobe and insmod? > > If I run lsmod ,I could get the following messages: > > Module Size Used by > ip_nat_irc 4416 0 (unused) > ip_nat_ftp 3488 0 (unused) > ip_conntrack_irc 2928 0 (unused) > ip_conntrack_ftp 3824 0 (unused) > ipt_MASQUERADE 1664 0 (unused) > ipt_REJECT 3392 0 (unused) > ipt_owner 1552 0 (unused) > ipt_state 1024 0 > ipt_limit 1360 0 (unused) > iptable_nat 16528 2 [ip_nat_irc ip_nat_ftp ipt_MASQUERADE] > iptable_mangle 2160 0 (unused) > ip_conntrack 15824 4 [ip_nat_irc ip_nat_ftp ip_conntrack_irc ip_conntrack_ftp ipt_MASQUERADE ipt_state iptable_nat] > ipt_LOG 3856 0 (autoclean) > iptable_filter 2128 0 (autoclean) (unused) > ip_tables 10944 11 [ipt_MASQUERADE ipt_REJECT ipt_owner ipt_state ipt_limit iptable_nat iptable > > It means there are already these modules needed by Iptables. > Why the operation system displays "modprobe: Can't locate module ip_conntrack"? > My operation system is REDHAT 7.2 and it was installed by default configuration. > > Thanks > > > > -- Best Regards, (com os mais sinceros cumprimentos); Joao F. Serejo , Lisbon - PT : jfserejo@xxxxxxxxxx
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