diff --git a/net/nepenthes/Makefile b/net/nepenthes/Makefile
index 108eb0c3fa09..3eb78d553444 100644
--- a/net/nepenthes/Makefile
+++ b/net/nepenthes/Makefile
@@ -1,59 +1,62 @@
 PORTNAME=	nepenthes
 PORTVERSION=	0.2.2
 PORTREVISION=	18
 CATEGORIES=	net
 MASTER_SITES=	SF/${PORTNAME}/Nepenthes%20development/${PORTVERSION}
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Determine the malware activity on a network
 WWW=		http://nepenthes.carnivore.it/
 
+DEPRECATED=	Abandonware, last update in 2008 and upstream is gone.
+EXPIRATION_DATE=2024-05-31
+
 LIB_DEPENDS=	libpcre.so:devel/pcre \
 		libadns.so:dns/adns \
 		libcurl.so:ftp/curl \
 		libmagic.so.1:sysutils/file
 
 USES=		dos2unix libtool perl5
 USE_CXXSTD=	gnu++98
 USE_GCC=	yes
 GNU_CONFIGURE=	yes
 GNU_CONFIGURE_MANPREFIX=${PREFIX}/share
 CONFIGURE_ARGS=	--localstatedir=/var
 INSTALL_TARGET=	install-strip
 
 CPPFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
 
 OPTIONS_DEFINE=		DEBUG_LOGGING PRELUDE
 
 DEBUG_LOGGING_CONFIGURE_ENABLE=	debug-logging
 PRELUDE_LIB_DEPENDS=	libprelude.so:security/libprelude
 PRELUDE_CONFIGURE_ENABLE=	prelude
 
 post-patch:
 	@${FIND} ${WRKSRC} -name Makefile.in -print0 | ${XARGS} -0 \
 		${REINPLACE_CMD} -e \
 		's|-Werror|| ; \
 		 s|-D.*_GNU_SOURCE||'
 	@${FIND} ${WRKSRC}/modules -name "*.[ch]pp" -print0 | ${XARGS} -0 \
 		${REINPLACE_CMD} -e \
 		'/<curl\/types.h>/d'
 	@${REINPLACE_CMD} -e \
 		's|-I/usr/local/include|| ; \
 		 s|-I/usr/src/contrib/file/|| ; \
 		 s|-L/usr/local/lib|| ; \
 		 s|-R/usr/local/lib||' ${WRKSRC}/configure
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${DATADIR}/signatures \
 		${STAGEDIR}/var/binaries \
 		${STAGEDIR}/var/hexdumps \
 		${STAGEDIR}/var/log/pcap \
 		${STAGEDIR}/var/spool/nepenthes/gotek \
 		${STAGEDIR}/var/spool/nepenthes/submitpostgres \
 		${STAGEDIR}/var/cache/nepenthes/pcap \
 		${STAGEDIR}/var/cache/nepenthes/signatures
 	(cd ${WRKSRC}/modules/shellcode-signatures && ${INSTALL_DATA} \
 		shellcode-signatures.sc ${STAGEDIR}${DATADIR}/signatures)
 
 .include <bsd.port.mk>