The phpbb developers make a new package to solve some security issues.
See the link below for more details.
http://www.phpbb.com/phpBB/viewtopic.php?f=14&t=161943

They just update the package and didn't change the version again.
Now, the phpbb port seems broken for checksum error.

This problem is noticed by Robert Andrews(randrews at relinetworks.com).

Fix: 

PORTNAME=	phpbb
 PORTVERSION=	2.0.6
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	www
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE}
 MASTER_SITE_SUBDIR=	${PORTNAME}--6eLU3yPD7b9AWJtcaG1VQDjLA2NCp3ARsJZEcuNNSLloaasA
Content-Type: text/plain; name="file.diff"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="file.diff"

Index: distinfo
===================================================================
RCS file: /home/ncvs/ports/www/phpbb/distinfo,v
retrieving revision 1.7
diff -u -r1.7 distinfo
--- distinfo	17 Dec 2003 05:31:01 -0000	1.7
+++ distinfo	5 Jan 2004 11:53:10 -0000
@@ -1 +1 @@
-MD5 (phpBB-2.0.6.tar.bz2) = 6574f13e2c7b66fda4faf1b2ddacae48
+MD5 (phpBB-2.0.6.tar.bz2) = 0c2a43e1f482dffbcdb91dd366c9894f
Index: Makefile
===================================================================
RCS file: /home/ncvs/ports/www/phpbb/Makefile,v
retrieving revision 1.14
diff -u -r1.14 Makefile
--- Makefile	17 Dec 2003 05:31:01 -0000	1.14
+++ Makefile	5 Jan 2004 11:53:10 -0000
@@ -7,7 +7,7 @@
How-To-Repeat: n/a