[squid-users] IP-Filter in Sun-Solaris2.6

Hello all,

I have installed IP-Filter has given in Squid FAQ-17.
I did not find the command modload anywhere in SunOS.

I followed other steps and i configured squid with command
./configure --enable-ipf-transparent
but i got error, following is the message displayed in console

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checking for fcntl.h... (cached) yes
checking for getopt.h... (cached) no
checking for gnumalloc.h... (cached) no
checking for grp.h... (cached) yes
checking for ip_compat.h... (cached) no
checking for ip_fil_compat.h... (cached) no
checking for ip_fil.h... (cached) no
checking for ip_nat.h... (cached) no
checking for libc.h... (cached) no
checking for limits.h... (cached) yes
checking for malloc.h... (cached) yes
checking for math.h... (cached) yes
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checking for netinet/if_ether.h... (cached) yes
checking for netinet/in.h... (cached) yes
checking for netinet/tcp.h... (cached) yes
checking for netinet/ip_compat.h... (cached) no
checking for netinet/ip_fil_compat.h... (cached) no
checking for netinet/ip_fil.h... (cached) no
checking for netinet/ip_nat.h... (cached) no
checking for poll.h... (cached) yes
---
---
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checking for vsnprintf... (cached) yes
checking if setresuid is implemented... (cached) no
checking if IP-Filter header files are installed... no
WARNING: Cannot find necessary IP-Filter header files
                  Transparent Proxy support WILL NOT be enabled
checking if GNUregex needs to be compiled... no
checking for drand48... (cached) yes
Whats the problem?
Advance thanks
-Jack