# queuenames cannot be numbers
altq on lo0 tbrsize 1824 bandwidth 10Mb priq queue 80
oldqueue 80 priority 2 priq(default)

# tablenames cannot be numbers
table <444> { 1.2.3.4 }
pass in on lo1000000 proto tcp to 10.0.0.1 port 80 flags S/SA modulate state \
        (max-src-conn 100, max-src-conn-rate 10/5, overload <444> flush)

# filename cannot be a number
# XXX not easy to test
#table <filetest> file 666

# labels, tags, anchors cannot be numbers
pass in on lo0 from 1.2.3.4 keep state label 88
pass in on lo0 from 1.2.3.4 keep state tag 57
pass in on lo0 from 1.2.3.4 keep state tagged 57
anchor 23 on lo0