ifconfig not found when installing apf

/usr/local/sbin/apf: line 1: ifconfig: command not found
Usage: grep [OPTION]... PATTERN [FILE]...
Try `grep --help' for more information.
Bad argument `20'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `21'
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Bad argument `22'
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Bad argument `25'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `26'
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Bad argument `53'
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Bad argument `80'
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Bad argument `110'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `143'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `443'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `465'
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Bad argument `993'
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Bad argument `995'
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Bad argument `2082'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `2083'
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Bad argument `2086'
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Bad argument `2087'
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Bad argument `2095'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `2096'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `3306'
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Bad argument `6666'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `21'
Try `iptables -h' or 'iptables --help' for more information.