In the final tftp example of ftp.html, is the second anchor line really needed?
match out on $ext_if from $int_if nat-to ($ext_if)
anchor "tftp-proxy/*"
pass in quick on $int_if inet proto udp from $int_if to port tftp \
divert-to 127.0.0.1 port 6969
anchor "tftp-proxy/*"
Jan

