Index: head/security/dropbear/Makefile
===================================================================
--- head/security/dropbear/Makefile
+++ head/security/dropbear/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	dropbear
-PORTVERSION=	2016.74
+PORTVERSION=	2017.75
 CATEGORIES=	security ipv6
 MASTER_SITES=	http://matt.ucc.asn.au/dropbear/releases/
 
@@ -19,8 +19,39 @@
 
 USE_RC_SUBR=	${PORTNAME}
 
-OPTIONS_DEFINE=	STATIC
+OPTIONS_DEFINE=	DH_GROUP1 SMALL_CODE STATIC
+OPTIONS_DEFAULT=	AES128 AES256 CTR RSA SHA2_256 SHA2_512 SMALL_CODE TWOFISH128 TWOFISH256
+OPTIONS_MULTI=	ENC KEY MAC MODE
+OPTIONS_MULTI_ENC=	AES128 3DES AES256 BLOWFISH TWOFISH256 TWOFISH128
+OPTIONS_MULTI_MODE=	CBC CTR
+OPTIONS_MULTI_KEY=	ECDSA DSA RSA
+OPTIONS_MULTI_MAC=	MD5 SHA1 SHA1_96 SHA2_256 SHA2_512
 
+3DES_DESC=	Enable 3DES-based encryption
+3DES_IMPLIES=	CTR
+AES128_DESC=	Enable AES128-based encryption
+AES256_DESC=	Enable AES256-based encryption
+TWOFISH128_DESC=	Enable Twofish128-based encryption
+TWOFISH256_DESC=	Enable Twofish256-based encryption
+BLOWFISH_DESC=	Enable Blowfish-based encryption
+
+DH_GROUP1_DESC=	Enable Group1 Diffie-Hellman (less secure)
+
+CBC_DESC=	Use CBC mode for ciphers (less secure)
+CTR_DESC=	Use CTR mode for ciphers (more secure)
+
+ECDSA_DESC=	Enable ECDSA public key support
+DSA_DESC=	Enable DSA public key support
+RSA_DESC=	Enable RSA public key support
+
+MD5_DESC=	Enable MD5 MAC (broken)
+SHA1_DESC=	Enable SHA1 MAC (less secure)
+SHA1_96_DESC=	Enable SHA1_96 MAC (less secure)
+SHA2_256_DESC=	Enable SHA2_256 MAC
+SHA2_512_DESC=	Enable SHA2_512 MAC
+
+SMALL_CODE_DESC=	Make binary smaller in exchange for 50% performance hit
+
 STATIC_LDFLAGS=	-static
 
 post-patch:
@@ -29,6 +60,78 @@
 	@${REINPLACE_CMD} -e "s,sys/dir.h,dirent.h," ${WRKSRC}/*.[ch]
 	@${REINPLACE_CMD} -e "s,make clean,\$${MAKE} clean," \
 				${WRKSRC}/libtomcrypt/Makefile.in
+
+post-patch-SMALL_CODE-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_SMALL_CODE/d" \
+		${WRKSRC}/options.h
+
+post-patch-3DES-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_3DES/d" \
+		${WRKSRC}/options.h
+
+post-patch-AES128-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_AES128/d" \
+		${WRKSRC}/options.h
+
+post-patch-AES256-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_AES256/d" \
+		${WRKSRC}/options.h
+
+post-patch-TWOFISH256-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_TWOFISH256/d" \
+		${WRKSRC}/options.h
+
+post-patch-TWOFISH128-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_TWOFISH128/d" \
+		${WRKSRC}/options.h
+
+post-patch-BLOWFISH-on:
+	@${REINPLACE_CMD} -e "s,/\*#define DROPBEAR_BLOWFISH\*/,#define DROPBEAR_BLOWFISH,g" \
+		${WRKSRC}/options.h
+
+post-patch-CBC-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_ENABLE_CBC_MODE/d" \
+		${WRKSRC}/options.h
+
+post-patch-CTR-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_ENABLE_CTR_MODE/d" \
+		${WRKSRC}/options.h
+
+post-patch-DH_GROUP1-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_DH_GROUP1 1/d" \
+		${WRKSRC}/options.h
+
+post-patch-DSA-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_DSS/d" \
+		${WRKSRC}/options.h
+
+post-patch-RSA-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_RSA/d" \
+		${WRKSRC}/options.h
+
+post-patch-ECDSA-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_ECDSA/d" \
+		${WRKSRC}/options.h
+
+post-patch-MD5-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_MD5_HMAC/d" \
+		${WRKSRC}/options.h
+
+post-patch-SHA1-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_SHA1_HMAC/d" \
+		${WRKSRC}/options.h
+
+post-patch-SHA1_96-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_SHA1_96_HMAC/d" \
+		${WRKSRC}/options.h
+
+post-patch-SHA2_256-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_SHA2_256_HMAC/d" \
+		${WRKSRC}/options.h
+
+post-patch-SHA2_512-off:
+	@${REINPLACE_CMD} -e "/#define DROPBEAR_SHA2_512_HMAC/d" \
+		${WRKSRC}/options.h
 
 do-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/etc/dropbear
Index: head/security/dropbear/distinfo
===================================================================
--- head/security/dropbear/distinfo
+++ head/security/dropbear/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1469201269
-SHA256 (dropbear-2016.74.tar.bz2) = 2720ea54ed009af812701bcc290a2a601d5c107d12993e5d92c0f5f81f718891
-SIZE (dropbear-2016.74.tar.bz2) = 1622234
+TIMESTAMP = 1497947793
+SHA256 (dropbear-2017.75.tar.bz2) = 6cbc1dcb1c9709d226dff669e5604172a18cf5dbf9a201474d5618ae4465098c
+SIZE (dropbear-2017.75.tar.bz2) = 1623392