diff -ur trafshow3.orig/Makefile /usr/ports/net/trafshow3/Makefile
--- trafshow3.orig/Makefile	2016-08-21 14:58:26.000000000 +0300
+++ /usr/ports/net/trafshow3/Makefile	2018-03-27 15:59:32.000000000 +0300
@@ -12,8 +12,6 @@
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Full screen visualization of network traffic (an ancient version)
 
-CONFLICTS=	trafshow-[45].*
-
 .if defined(WITH_TRAFSHOW_SLANG) || \
     (exists(${LOCALBASE}/lib/libslang.a) && !defined(WITHOUT_TRAFSHOW_SLANG))
 LIB_DEPENDS=	libslang.so:devel/libslang2
@@ -29,8 +27,8 @@
 	@${REINPLACE_CMD} -e "s|%%PREFIX%%|${PREFIX}|g" ${WRKSRC}/*.c
 
 do-install:
-	${INSTALL_PROGRAM} ${WRKSRC}/trafshow ${STAGEDIR}${PREFIX}/bin
-	${INSTALL_MAN} ${WRKSRC}/trafshow.1 ${STAGEDIR}${PREFIX}/man/man1
-	${INSTALL_DATA} ${WRKSRC}/.trafshow ${STAGEDIR}${PREFIX}/etc/trafshow.sample
+	${INSTALL_PROGRAM} ${WRKSRC}/trafshow ${STAGEDIR}${PREFIX}/bin/trafshow3
+	${INSTALL_MAN} ${WRKSRC}/trafshow.1 ${STAGEDIR}${PREFIX}/man/man1/trafshow3.1
+	${INSTALL_DATA} ${WRKSRC}/.trafshow ${STAGEDIR}${PREFIX}/etc/trafshow3.sample
 
 .include <bsd.port.mk>
diff -ur trafshow3.orig/pkg-plist /usr/ports/net/trafshow3/pkg-plist
--- trafshow3.orig/pkg-plist	2015-09-16 20:49:03.000000000 +0300
+++ /usr/ports/net/trafshow3/pkg-plist	2018-03-27 15:57:02.000000000 +0300
@@ -1,3 +1,3 @@
-bin/trafshow
-man/man1/trafshow.1.gz
-@sample etc/trafshow.sample
+bin/trafshow3
+man/man1/trafshow3.1.gz
+@sample etc/trafshow3.sample