[NoCat] need help for NoCat configuration

[Karra Setiawan]

I am a new comer in the wireless network. i  would like to build portal captive system for wireless network in my campus.  
  
For additional information i use Linux Fedora Core 3, gnupg-1.4.3 (for gpgv) and NoCatAuth-nightly.  
  
After make install gnupg, and walk through to the next step ( building the gateway):  
# make gateway (ofcourse i change my diretory first to the NoCat's extract directory)  
  
And then the trouble comes..  
The terminal view like this:  
  
# make gateway  
Looking for gpgv...  
Checking for firewall compatibility: No supported firewalls detected! Check your path.  
Supported firewalls include: iptables, ipchains, ipf, pf.  
Can't seem to find supported firewall software. Check your path?  
make: *** [check_fw] Error 255  
  
I've tried to checked my iptables status (#service iptables status) and Linux displayed that iptables have already running.  
I also have checked PATH (echo $PATH)  
 
And displayed:  
/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:  
/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin  
  
I confused why NoCat can't seem to find firewall software in my computer.  
  
Can anybody help me??? please...  
Thanks before.. 
  
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