# Make sure that the value configured as IP_INT is a real IP on the system.
# If we don't error out early here when there is a mismatch, the formula will
# fail with hard to interpret nginx errors later on.
# Make sure that the value configured as IP_INT is a real IP on the system.
# If we don't error out early here when there is a mismatch, the formula will
# fail with hard to interpret nginx errors later on.