diff -ruN isboot-kmod.orig/Makefile isboot-kmod/Makefile
--- isboot-kmod.orig/Makefile	2021-05-10 23:04:29.000000000 -0600
+++ isboot-kmod/Makefile	2021-05-25 08:21:23.188552000 -0600
@@ -1,8 +1,7 @@
 PORTNAME=	isboot-kmod
-PORTVERSION=	0.2.14
+DISTVERSION=	0.2.14
+PORTREVISION=	1
 CATEGORIES=	net
-MASTER_SITES=	http://www.peach.ne.jp/archives/isboot/
-DISTNAME=	isboot-${PORTVERSION}
 
 MAINTAINER=	john@jnielsen.net
 COMMENT=	Kernel module enabling iSCSI/IBFT boot
@@ -22,7 +21,10 @@
 PLIST_FILES=	${KMODDIR}/isboot.ko
 PORTDOCS=	README
 
-OPTIONS_DEFINE=	DOCS VIMAGE
+OPTIONS_DEFINE=	DEBUG DOCS VIMAGE
+OPTIONS_DEFAULT=DOCS VIMAGE
+DEBUG_DESC=	Enable verbose boot logging
+DEBUG_CFLAGS=	-DDEBUG -DMODDEBUG -DIBFT_VERBOSE
 VIMAGE_DESC=	Build for a kernel with 'options VIMAGE'
 VIMAGE_CFLAGS=	-DVIMAGE
 
diff -ruN isboot-kmod.orig/distinfo isboot-kmod/distinfo
--- isboot-kmod.orig/distinfo	2021-05-10 23:04:29.000000000 -0600
+++ isboot-kmod/distinfo	2021-05-25 08:15:21.058774000 -0600
@@ -1,3 +1,3 @@
-TIMESTAMP = 1620068976
-SHA256 (jnielsendotnet-isboot-0.2.14_GH0.tar.gz) = 8ebc00888630b09e4740552c27980bb09fc5a638780043a078270ee6b1ad8097
-SIZE (jnielsendotnet-isboot-0.2.14_GH0.tar.gz) = 30405
+TIMESTAMP = 1621952121
+SHA256 (jnielsendotnet-isboot-0.2.14_GH0.tar.gz) = 6c5c9d17b97cf6ed977cda5d6f67409d68488cac768ba6202116a28f2decb2a2
+SIZE (jnielsendotnet-isboot-0.2.14_GH0.tar.gz) = 30628
diff -ruN isboot-kmod.orig/pkg-descr isboot-kmod/pkg-descr
--- isboot-kmod.orig/pkg-descr	2015-09-24 04:28:58.000000000 -0600
+++ isboot-kmod/pkg-descr	2021-05-18 12:45:15.379814000 -0600
@@ -6,4 +6,4 @@
 Boot Firmware Table (IBFT) to configure the network and re-attach
 the volume once the kernel begins execution.
 
-WWW: http://shell.peach.ne.jp/aoyama/archives/2115 (Japanese)
+WWW: https://github.com/jnielsendotnet/isboot