diff -uprN openssh-7.7p1.orig/configure.ac openssh-7.7p1/configure.ac
--- openssh-7.7p1.orig/configure.ac	2018-04-02 14:38:28.000000000 +0900
+++ openssh-7.7p1/configure.ac	2018-04-04 17:46:13.798168547 +0900
@@ -1542,6 +1542,62 @@ AC_ARG_WITH([skey],
 	]
 )
 
+# Check whether user wants TCP wrappers support
+TCPW_MSG="no"
+AC_ARG_WITH([tcp-wrappers],
+	[  --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support (optionally in PATH)],
+	[
+		if test "x$withval" != "xno" ; then
+			saved_LIBS="$LIBS"
+			saved_LDFLAGS="$LDFLAGS"
+			saved_CPPFLAGS="$CPPFLAGS"
+			if test -n "${withval}" && \
+			    test "x${withval}" != "xyes"; then
+				if test -d "${withval}/lib"; then
+					if test -n "${need_dash_r}"; then
+						LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
+					else
+						LDFLAGS="-L${withval}/lib ${LDFLAGS}"
+					fi
+				else
+					if test -n "${need_dash_r}"; then
+						LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
+					else
+						LDFLAGS="-L${withval} ${LDFLAGS}"
+					fi
+				fi
+				if test -d "${withval}/include"; then
+					CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
+				else
+					CPPFLAGS="-I${withval} ${CPPFLAGS}"
+				fi
+			fi
+			LIBS="-lwrap -lnsl $LIBS"
+			AC_MSG_CHECKING([for libwrap])
+			AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <tcpd.h>
+int deny_severity = 0, allow_severity = 0;
+				]], [[
+	hosts_access(0);
+				]])], [
+					AC_MSG_RESULT([yes])
+					AC_DEFINE([LIBWRAP], [1],
+						[Define if you want
+						TCP Wrappers support])
+					SSHDLIBS="$SSHDLIBS -lwrap -lnsl"
+					TCPW_MSG="yes"
+				], [
+					AC_MSG_ERROR([*** libwrap missing])
+				
+			])
+			LIBS="$saved_LIBS"
+		fi
+	]
+)
+
 # Check whether user wants to use ldns
 LDNS_MSG="no"
 AC_ARG_WITH(ldns,
@@ -5216,6 +5272,7 @@ echo "                   OSF SIA support
 echo "                 KerberosV support: $KRB5_MSG"
 echo "                   SELinux support: $SELINUX_MSG"
 echo "                     S/KEY support: $SKEY_MSG"
+echo "              TCP Wrappers support: $TCPW_MSG"
 echo "              MD5 password support: $MD5_MSG"
 echo "                   libedit support: $LIBEDIT_MSG"
 echo "                   libldns support: $LDNS_MSG"
diff -uprN openssh-7.7p1.orig/sshd.8 openssh-7.7p1/sshd.8
--- openssh-7.7p1.orig/sshd.8	2018-04-02 14:38:28.000000000 +0900
+++ openssh-7.7p1/sshd.8	2018-04-04 17:46:13.799168500 +0900
@@ -845,6 +845,12 @@ the user's home directory becomes access
 This file should be writable only by the user, and need not be
 readable by anyone else.
 .Pp
+.It Pa /etc/hosts.allow
+.It Pa /etc/hosts.deny
+Access controls that should be enforced by tcp-wrappers are defined here.
+Further details are described in
+.Xr hosts_access 5 .
+.Pp
 .It Pa /etc/hosts.equiv
 This file is for host-based authentication (see
 .Xr ssh 1 ) .
@@ -947,6 +953,7 @@ The content of this file is not sensitiv
 .Xr ssh-keygen 1 ,
 .Xr ssh-keyscan 1 ,
 .Xr chroot 2 ,
+.Xr hosts_access 5 ,
 .Xr login.conf 5 ,
 .Xr moduli 5 ,
 .Xr sshd_config 5 ,
diff -uprN openssh-7.7p1.orig/sshd.c openssh-7.7p1/sshd.c
--- openssh-7.7p1.orig/sshd.c	2018-04-02 14:38:28.000000000 +0900
+++ openssh-7.7p1/sshd.c	2018-04-04 18:24:08.499515628 +0900
@@ -122,6 +122,12 @@
 #include "auth-options.h"
 #include "version.h"
 #include "ssherr.h"
+#ifdef LIBWRAP
+#include <tcpd.h>
+#include <syslog.h>
+int allow_severity;
+int deny_severity;
+#endif /* LIBWRAP */
 
 /* Re-exec fds */
 #define REEXEC_DEVCRYPTO_RESERVED_FD	(STDERR_FILENO + 1)
@@ -2005,6 +2011,26 @@ main(int ac, char **av)
 	packet_set_server();
 	ssh = active_state; /* XXX */
 
+/* Moved LIBWRAP check here */
+#ifdef LIBWRAP
+        allow_severity = options.log_facility|LOG_INFO;
+        deny_severity = options.log_facility|LOG_WARNING;
+        /* Check whether logins are denied from this host. */
+        if (packet_connection_is_on_socket()) {	/* This check must be after packet_set_connection() */
+		struct request_info req;
+
+		request_init(&req, RQ_DAEMON, __progname, RQ_FILE, sock_in, 0);
+		fromhost(&req);
+
+		if (!hosts_access(&req)) {
+			debug("Connection refused by tcp wrapper");
+			refuse(&req);
+			/* NOTREACHED */
+			fatal("libwrap refuse returns");
+		}
+	}
+#endif /* LIBWRAP */
+
 	check_ip_options(ssh);
 
 	/* Prepare the channels layer */