Add systemd units for rpcapd.
diff --git a/Makefile.in b/Makefile.in
index cf37cfa..d707386 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -363,6 +363,8 @@
 	rpcapd/rpcapd.h \
 	rpcapd/rpcapd.inetd.conf \
 	rpcapd/rpcapd.rc \
+	rpcapd/rpcapd.socket \
+	rpcapd/rpcapd@.service \
 	rpcapd/win32-svc.h \
 	sockutils.c \
 	sockutils.h \
diff --git a/rpcapd/rpcapd.socket b/rpcapd/rpcapd.socket
new file mode 100644
index 0000000..9d5a0bd
--- /dev/null
+++ b/rpcapd/rpcapd.socket
@@ -0,0 +1,9 @@
+[Unit]
+Description=Rpcap Socket for Per-Connection Servers
+
+[Socket]
+ListenStream=2002
+Accept=yes
+
+[Install]
+WantedBy=sockets.target
diff --git a/rpcapd/rpcapd@.service b/rpcapd/rpcapd@.service
new file mode 100644
index 0000000..92d1171
--- /dev/null
+++ b/rpcapd/rpcapd@.service
@@ -0,0 +1,6 @@
+[Unit]
+Description=Rpcap Per-Connection Server
+
+[Service]
+ExecStart=-/usr/local/sbin/rpcapd -i
+StandardInput=socket