Sometimes Linux, especially boxes upgraded from previous RedHat installs, hold onto the ipchains modules. Try: /sbin/chkconfig --level=2345 ipchains off /sbin/rmmod ipchains Then insert your iptables modules. Khanh Tran Network Operations Sarah Lawrence College -----Original Message----- From: Jason Corekin [mailto:jason@corekin.no-ip.com] Sent: Sunday, February 16, 2003 1:24 AM To: netfilter@lists.samba.org Subject: Custom kernel won't load iptables modules Does anybody no why I can not get my custom compiled kernel to load it's iptables modules? I am running on RedHat 8.0. I have everything else working, but iptables goes to load I get the messages Feb 15 20:36:10 corekin iptables: Starting iptables: Feb 15 20:36:10 corekin iptables: /lib/modules/2.4.18-24.8.0custom/kernel/net/ipv4/netfilter/ip_tables.o: Feb 15 20:36:10 corekin iptables: Hint: insmod errors can be caused by incorrect module parameters, including invalid IO or IRQ parameters. Feb 15 20:36:10 corekin iptables: You may find more information in syslog or the output from dmesg Feb 15 20:36:10 corekin iptables: init_module: Device or resource busy Feb 15 20:36:10 corekin iptables: /lib/modules/2.4.18-24.8.0custom/kernel/net/ipv4/netfilter/ip_tables.o: insmod /lib/modules/2.4.18-24.8.0custom/kernel/net/ipv4/netfilter/ip_tables.o failed Feb 15 20:36:10 corekin iptables: /lib/modules/2.4.18-24.8.0custom/kernel/net/ipv4/netfilter/ip_tables.o: insmod ip_tables failed Feb 15 20:36:10 corekin iptables: iptables v1.2.6a: can't initialize iptables table `filter': iptables who? (do you need to insmod?) Feb 15 20:36:10 corekin iptables: Perhaps iptables or your kernel needs to be upgraded. Feb 15 20:36:10 corekin iptables: /lib/modules/2.4.18-24.8.0custom/kernel/net/ipv4/netfilter/ip_tables.o: Feb 15 20:36:10 corekin iptables: Hint: insmod errors can be caused by incorrect module parameters, including invalid IO or IRQ parameters. Feb 15 20:36:10 corekin iptables: You may find more information in syslog or the output from dmesg Feb 15 20:36:10 corekin iptables: init_module: Device or resource busy Feb 15 20:36:10 corekin iptables: /lib/modules/2.4.18-24.8.0custom/kernel/net/ipv4/netfilter/ip_tables.o: insmod /lib/modules/2.4.18-24.8.0custom/kernel/net/ipv4/netfilter/ip_tables.o failed Feb 15 20:36:10 corekin iptables: /lib/modules/2.4.18-24.8.0custom/kernel/net/ipv4/netfilter/ip_tables.o: insmod ip_tables failed Feb 15 20:36:10 corekin iptables: iptables-restore v1.2.6a: iptables-restore: unable to initializetable 'nat' Feb 15 20:36:10 corekin iptables: Feb 15 20:36:10 corekin iptables: Try `iptables-restore -h' or 'iptables-restore --help' for more information. Feb 15 20:36:10 corekin rc: Starting iptables: failed I have attached my configuration file if that will help. I explicitly made sure that fast switching was turned off, but beyond that I do not know what else could conflict with iptables. Thanks in advance Jason Corekin