}
=item ut_ip COLUMN
-Check/untaint ip addresses. IPv4 only for now.
+Check/untaint ip addresses. IPv4 only for now, though ::1 is auto-translated
+to 127.0.0.1.
=cut
sub ut_ip {
my( $self, $field ) = @_;
+ $self->setfield($field, '127.0.0.1') if $self->getfield($field) eq '::1';
$self->getfield($field) =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/
or return "Illegal (IP address) $field: ". $self->getfield($field);
for ( $1, $2, $3, $4 ) { return "Illegal (IP address) $field" if $_ > 255; }
=item ut_ipn COLUMN
-Check/untaint ip addresses. IPv4 only for now. May be null.
+Check/untaint ip addresses. IPv4 only for now, though ::1 is auto-translated
+to 127.0.0.1. May be null.
=cut