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To: Tang Ho Yim <hoyimtang@yahoo.com>,  freebsd-questions@freebsd.org
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Subject: Re: about ipfilter
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Tang Ho Yim wrote:

> 
>Then the ipfilter cannot start on boot with the error:
>link_elf: symbol in6_cksum undefined
>kldload: can't load ipl: No such file or directory
>/etc/rc: ERROR: IP-filter module failed to load
>  
>
Recompile _kernel_ with "options INET6" (IPv6)
or recompile ipfilter with NOINET6=yes in /etc/make.conf or in command line