diff --git a/README.md b/README.md
index 1f7e5d9..81475d7 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,7 @@ similar dependencies):
 * keyutils-libs-devel _(tools used by the keys tests)_
 * kernel-devel _(used by the kernel module tests)_
 * quota, xfsprogs-devel and libuuid-devel _(used by the filesystem tests)_
+* nftables _(used by inet_socket and sctp tests if ver >= 9.3 for secmark testing )_
 
 On a modern Fedora system you can install these dependencies with the
 following command:
@@ -77,7 +78,8 @@ following command:
 		kernel-devel \
 		quota \
 		xfsprogs-devel \
-		libuuid-devel
+		libuuid-devel \
+		nftables
 
 #### Debian
 
@@ -118,7 +120,8 @@ command:
 		quota \
 		xfsprogs \
 		xfslibs-dev \
-		uuid-dev
+		uuid-dev \
+		nftables
 
 On Debian, you need to build and install netlabel_tools manually since
 it is not yet packaged for Debian
diff --git a/tests/inet_socket/nftables-flush b/tests/inet_socket/nftables-flush
new file mode 100644
index 0000000..7d62b8d
--- /dev/null
+++ b/tests/inet_socket/nftables-flush
@@ -0,0 +1,2 @@
+delete table ip security
+delete table ip6 security
diff --git a/tests/inet_socket/nftables-load b/tests/inet_socket/nftables-load
new file mode 100644
index 0000000..11ec382
--- /dev/null
+++ b/tests/inet_socket/nftables-load
@@ -0,0 +1,74 @@
+# Based on NFT project example. Requires kernel >= 4.20 and nft >= 0.9.3
+
+add table ip security
+add table ip6 security
+
+table ip security {
+
+	secmark inet_server {
+		"system_u:object_r:test_server_packet_t:s0"
+	}
+
+	map secmapping_in_out {
+		type inet_service : secmark
+		elements = { 65535 : "inet_server" }
+	}
+
+	chain input {
+		type filter hook input priority 0;
+
+		# label new incoming packets and add to connection
+		ct state new meta secmark set tcp dport map @secmapping_in_out
+		ct state new meta secmark set udp dport map @secmapping_in_out
+		ct state new ct secmark set meta secmark
+
+		# set label for est/rel packets from connection
+		ct state established,related meta secmark set ct secmark
+	}
+
+	chain output {
+		type filter hook output priority 0;
+
+		# label new outgoing packets and add to connection
+		ct state new meta secmark set tcp dport map @secmapping_in_out
+		# 'established' is used here so that the error return is the
+		# same as the 'iptables-load' tests (no reply from server)
+		ct state established meta secmark set udp dport map @secmapping_in_out
+		ct state new ct secmark set meta secmark
+
+		# set label for est/rel packets from connection
+		ct state established,related meta secmark set ct secmark
+	}
+}
+
+table ip6 security {
+
+	secmark inet_server {
+		"system_u:object_r:test_server_packet_t:s0"
+	}
+
+	map secmapping_in_out {
+		type inet_service : secmark
+		elements = { 65535 : "inet_server" }
+	}
+
+	chain input {
+		type filter hook input priority 0;
+
+		ct state new meta secmark set tcp dport map @secmapping_in_out
+		ct state new meta secmark set udp dport map @secmapping_in_out
+		ct state new ct secmark set meta secmark
+
+		ct state established,related meta secmark set ct secmark
+	}
+
+	chain output {
+		type filter hook output priority 0;
+
+		ct state new meta secmark set tcp dport map @secmapping_in_out
+		ct state established meta secmark set udp dport map @secmapping_in_out
+		ct state new ct secmark set meta secmark
+
+		ct state established,related meta secmark set ct secmark
+	}
+}
diff --git a/tests/inet_socket/test b/tests/inet_socket/test
index 47ce106..56a947b 100755
--- a/tests/inet_socket/test
+++ b/tests/inet_socket/test
@@ -27,6 +27,15 @@ BEGIN {
         $test_calipso_stream = 1;
     }
 
+    # Determine if nftables has secmark support
+    $test_nft = 0;
+
+    $rc = system("nft -c -f $basedir/nftables-load 2>/dev/null");
+    if ( $rc == 0 ) {
+        $test_count += 8;
+        $test_nft = 1;
+    }
+
     plan tests => $test_count;
 }
 
@@ -348,64 +357,76 @@ if ($test_ipsec) {
     system "/bin/sh $basedir/ipsec-flush";
 }
 
-# Load iptables (IPv4 & IPv6) configuration.
-system "/bin/sh $basedir/iptables-load";
+#
+################## Test iptables/nftables configuration ######################
+#
+sub test_tables {
 
-# Start the stream server.
-$pid = server_start( "-t test_inet_server_t", "-n stream 65535" );
+    # Start the stream server.
+    $pid = server_start( "-t test_inet_server_t", "-n stream 65535" );
 
-# Verify that authorized client can communicate with the server.
-$result = system
+    # Verify that authorized client can communicate with the server.
+    $result = system
 "runcon -t test_inet_client_t -- $basedir/client -e nopeer stream 127.0.0.1 65535";
-ok( $result eq 0 );
+    ok( $result eq 0 );
 
-# Verify that unauthorized client cannot communicate with the server.
-$result = system
+    # Verify that unauthorized client cannot communicate with the server.
+    $result = system
 "runcon -t test_inet_bad_client_t -- $basedir/client -e nopeer stream 127.0.0.1 65535 2>&1";
-ok( $result >> 8 eq 5 );
+    ok( $result >> 8 eq 5 );
 
-# Verify that authorized client can communicate with the server.
-$result = system
-  "runcon -t test_inet_client_t -- $basedir/client -e nopeer stream ::1 65535";
-ok( $result eq 0 );
+    # Verify that authorized client can communicate with the server.
+    $result = system
+"runcon -t test_inet_client_t -- $basedir/client -e nopeer stream ::1 65535";
+    ok( $result eq 0 );
 
-# Verify that unauthorized client cannot communicate with the server.
-$result = system
+    # Verify that unauthorized client cannot communicate with the server.
+    $result = system
 "runcon -t test_inet_bad_client_t -- $basedir/client -e nopeer stream ::1 65535 2>&1";
-ok( $result >> 8 eq 5 );
+    ok( $result >> 8 eq 5 );
 
-# Kill the server.
-server_end($pid);
+    # Kill the server.
+    server_end($pid);
 
-# Start the dgram server.
-$pid = server_start( "-t test_inet_server_t", "-n dgram 65535" );
+    # Start the dgram server.
+    $pid = server_start( "-t test_inet_server_t", "-n dgram 65535" );
 
-# Verify that authorized client can communicate with the server.
-$result = system
+    # Verify that authorized client can communicate with the server.
+    $result = system
 "runcon -t test_inet_client_t $basedir/client -e nopeer dgram 127.0.0.1 65535";
-ok( $result eq 0 );
+    ok( $result eq 0 );
 
-# Verify that unauthorized client cannot communicate with the server.
-$result = system
+    # Verify that unauthorized client cannot communicate with the server.
+    $result = system
 "runcon -t test_inet_bad_client_t -- $basedir/client -e nopeer dgram 127.0.0.1 65535 2>&1";
-ok( $result >> 8 eq 8 );
+    ok( $result >> 8 eq 8 );
 
-# Verify that authorized client can communicate with the server.
-$result = system
-  "runcon -t test_inet_client_t $basedir/client -e nopeer dgram ::1 65535";
-ok( $result eq 0 );
+    # Verify that authorized client can communicate with the server.
+    $result = system
+      "runcon -t test_inet_client_t $basedir/client -e nopeer dgram ::1 65535";
+    ok( $result eq 0 );
 
-# Verify that unauthorized client cannot communicate with the server.
-$result = system
+    # Verify that unauthorized client cannot communicate with the server.
+    $result = system
 "runcon -t test_inet_bad_client_t -- $basedir/client -e nopeer dgram ::1 65535 2>&1";
-ok( $result >> 8 eq 8 );
+    ok( $result >> 8 eq 8 );
 
-# Kill the server.
-server_end($pid);
+    # Kill the server.
+    server_end($pid);
+}
 
-# Flush iptables configuration.
+print "Testing iptables (IPv4/IPv6).\n";
+system "/bin/sh $basedir/iptables-load";
+test_tables();
 system "/bin/sh $basedir/iptables-flush";
 
+if ($test_nft) {
+    print "Testing nftables (IPv4/IPv6).\n";
+    system "nft -f $basedir/nftables-load";
+    test_tables();
+    system "nft -f $basedir/nftables-flush";
+}
+
 if ($test_calipso_stream) {
 
     # Load NetLabel configuration for CALIPSO/IPv6 labeling over loopback.
diff --git a/tests/sctp/nftables-flush b/tests/sctp/nftables-flush
new file mode 100644
index 0000000..7d62b8d
--- /dev/null
+++ b/tests/sctp/nftables-flush
@@ -0,0 +1,2 @@
+delete table ip security
+delete table ip6 security
diff --git a/tests/sctp/nftables-load b/tests/sctp/nftables-load
new file mode 100644
index 0000000..2cac3bb
--- /dev/null
+++ b/tests/sctp/nftables-load
@@ -0,0 +1,68 @@
+# Based on NFT project example. Requires kernel >= 4.20 and nft >= 0.9.3
+
+add table ip security
+add table ip6 security
+
+table ip security {
+
+	secmark sctp_server {
+		"system_u:object_r:test_sctp_server_packet_t:s0"
+	}
+
+	map secmapping_in_out {
+		type inet_service : secmark
+		elements = { 1035 : "sctp_server" }
+	}
+
+	chain input {
+		type filter hook input priority 0;
+
+		# label new incoming packets and add to connection
+		ct state new meta secmark set sctp dport map @secmapping_in_out
+		ct state new ct secmark set meta secmark
+
+		# set label for est/rel packets from connection
+		ct state established,related meta secmark set ct secmark
+	}
+
+	chain output {
+		type filter hook output priority 0;
+
+		# label new outgoing packets and add to connection
+		ct state new meta secmark set sctp dport map @secmapping_in_out
+		ct state new ct secmark set meta secmark
+
+		# set label for est/rel packets from connection
+		ct state established,related meta secmark set ct secmark
+	}
+}
+
+table ip6 security {
+
+	secmark sctp_server {
+		"system_u:object_r:test_sctp_server_packet_t:s0"
+	}
+
+	map secmapping_in_out {
+		type inet_service : secmark
+		elements = { 1035 : "sctp_server" }
+	}
+
+	chain input {
+		type filter hook input priority 0;
+
+		ct state new meta secmark set sctp dport map @secmapping_in_out
+		ct state new ct secmark set meta secmark
+
+		ct state established,related meta secmark set ct secmark
+	}
+
+	chain output {
+		type filter hook output priority 0;
+
+		ct state new meta secmark set sctp dport map @secmapping_in_out
+		ct state new ct secmark set meta secmark
+
+		ct state established,related meta secmark set ct secmark
+	}
+}
diff --git a/tests/sctp/test b/tests/sctp/test
index 6631da4..c87ee14 100755
--- a/tests/sctp/test
+++ b/tests/sctp/test
@@ -56,8 +56,17 @@ BEGIN {
             $test_calipso = 1;
         }
 
-        plan tests => $test_count;
+        # Determine if nftables has secmark support
+        $test_nft = 0;
+
+        $rc = system("nft -c -f $basedir/nftables-load 2>/dev/null");
+        if ( $rc == 0 ) {
+            $test_count += 8;
+            $test_nft = 1;
+        }
     }
+
+    plan tests => $test_count;
 }
 
 sub server_start {
@@ -749,64 +758,75 @@ if ($test_calipso) {
 }
 
 #
-##################### Test iptables configuration ############################
+################## Test iptables/nftables configuration ######################
 #
-print "# Testing iptables (IPv4/IPv6).\n";
-system "/bin/sh $basedir/iptables-load";
+sub test_tables {
 
-# Start the stream server.
-$pid =
-  server_start( "-t test_sctp_server_t", "sctp_server", "$v -n stream 1035" );
+    # Start the stream server.
+    $pid = server_start( "-t test_sctp_server_t",
+        "sctp_server", "$v -n stream 1035" );
 
-# Verify that authorized client can communicate with the server STREAM->STREAM.
-$result = system
+ # Verify that authorized client can communicate with the server STREAM->STREAM.
+    $result = system
 "runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer stream 127.0.0.1 1035";
-ok( $result eq 0 );
+    ok( $result eq 0 );
 
 # Verify that a client without peer { recv } permission cannot communicate with the server STREAM->STREAM.
-$result = system
+    $result = system
 "runcon -t test_sctp_deny_peer_client_t -- $basedir/sctp_client $v -e nopeer stream 127.0.0.1 1035 2>&1";
-ok( $result >> 8 eq 6 );
+    ok( $result >> 8 eq 6 );
 
-# Verify that authorized client can communicate with the server STREAM->STREAM.
-$result = system
+ # Verify that authorized client can communicate with the server STREAM->STREAM.
+    $result = system
 "runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer stream ::1 1035";
-ok( $result eq 0 );
+    ok( $result eq 0 );
 
 # Verify that a client without peer { recv } permission cannot communicate with the server STREAM->STREAM.
-$result = system
+    $result = system
 "runcon -t test_sctp_deny_peer_client_t -- $basedir/sctp_client $v -e nopeer stream ::1 1035 2>&1";
-ok( $result >> 8 eq 6 );
+    ok( $result >> 8 eq 6 );
 
-# Kill the stream server.
-server_end($pid);
+    # Kill the stream server.
+    server_end($pid);
 
-# Start the seq server.
-$pid = server_start( "-t test_sctp_server_t", "sctp_server", "$v -n seq 1035" );
+    # Start the seq server.
+    $pid =
+      server_start( "-t test_sctp_server_t", "sctp_server", "$v -n seq 1035" );
 
-# Verify that authorized client can communicate with the server SEQ->SEQ.
-$result = system
+    # Verify that authorized client can communicate with the server SEQ->SEQ.
+    $result = system
 "runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer seq 127.0.0.1 1035";
-ok( $result eq 0 );
+    ok( $result eq 0 );
 
 # Verify that a client without peer { recv } permission cannot communicate with the server SEQ->SEQ.
-$result = system
+    $result = system
 "runcon -t test_sctp_deny_peer_client_t -- $basedir/sctp_client $v -e nopeer seq 127.0.0.1 1035 2>&1";
-ok( $result >> 8 eq 6 );
+    ok( $result >> 8 eq 6 );
 
-# Verify that authorized client can communicate with the server SEQ->SEQ.
-$result = system
-  "runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer seq ::1 1035";
-ok( $result eq 0 );
+    # Verify that authorized client can communicate with the server SEQ->SEQ.
+    $result = system
+"runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer seq ::1 1035";
+    ok( $result eq 0 );
 
 # Verify that a client without peer { recv } permission cannot communicate with the server SEQ->SEQ.
-$result = system
+    $result = system
 "runcon -t test_sctp_deny_peer_client_t -- $basedir/sctp_client $v -e nopeer seq ::1 1035 2>&1";
-ok( $result >> 8 eq 6 );
+    ok( $result >> 8 eq 6 );
 
-# Kill the seq server.
-server_end($pid);
+    # Kill the seq server.
+    server_end($pid);
+}
 
+print "# Testing iptables (IPv4/IPv6).\n";
+system "/bin/sh $basedir/iptables-load";
+test_tables();
 system "/bin/sh $basedir/iptables-flush";
 
+if ($test_nft) {
+    print "# Testing nftables (IPv4/IPv6).\n";
+    system "nft -f $basedir/nftables-load";
+    test_tables();
+    system "nft -f $basedir/nftables-flush";
+}
+
 exit;
