Re: Performance issue due to constant "modprobes"

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On Tue, 19 Apr 2011, Maciej Żenczykowski wrote:

> > happen? ie. there should not be any attempted loads of ip_set without
> > "iptables -m set" being called (or equivalent).
> 
> Actually, are you sure the module is called 'ip_set'?
> Kernel iptables match and target extensions are named xt_* or ipt_* or ip6t_*.
> If the module is called ip_set and not ipt_set, then maybe we're
> seeing some other dependency chain?
> 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=net/netfilter/xt_set.c;h=b3babaed7719b770e02d478091885e7692eac68a;hb=2f666bcf757cb72549f360ef6da02f03620a48b6
> 
> contains:
> 
>   21 MODULE_LICENSE("GPL");
>   22 MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>");
>   23 MODULE_DESCRIPTION("Xtables: IP set match and target module");
>   24 MODULE_ALIAS("xt_SET");
>   25 MODULE_ALIAS("ipt_set");
>   26 MODULE_ALIAS("ip6t_set");
>   27 MODULE_ALIAS("ipt_SET");
>   28 MODULE_ALIAS("ip6t_SET");
> (plus the name derived from the filename which is 'xt_set')
> 
> so I'm guessing your 'ip_set' was simply a typo and should have been 'ipt_set'.

The module "ip_set" is loaded in if the "ipset" program is installed and 
invoked on that system.

Best regards,
Jozsef
-
E-mail  : kadlec@xxxxxxxxxxxxxxxxx, kadlec@xxxxxxxxxxxx
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