bld_acl.conf consists of lines used by bld to control
clients access. The lines are processed in order of appearance. If two
lines contain different information about the same IP address, the last
is used. Blank lines and lines beginning with a `#' are ignored.
Access control lines have the following format:
address: action[, action]
address can be of the following forms:
`n.n.n.n' (IP address),
`n.n.n.n/m.m.m.m' (network with netmask)
or `n.n.n.n/b' (network with bitmask).
action is one of the following:
There is no need to restart or send any signal to bld after
modifying (or deleting) this file.