diff --git a/usr.sbin/syslogd/tests/Makefile b/usr.sbin/syslogd/tests/Makefile
--- a/usr.sbin/syslogd/tests/Makefile
+++ b/usr.sbin/syslogd/tests/Makefile
@@ -1,5 +1,9 @@
 ATF_TESTS_SH+=	syslogd_test
+# Run in jail with new vnet so we don't need to worry about address conflicts
+TEST_METADATA+=	execenv="jail"
+TEST_METADATA+=	execenv_jail_params="vnet=new"
 # Several syslogd listening on the same port prevent parallel operation
 TEST_METADATA+=	is_exclusive="true"
+TEST_METADATA+=	timeout=20
 
 .include <bsd.test.mk>
diff --git a/usr.sbin/syslogd/tests/syslogd_test.sh b/usr.sbin/syslogd/tests/syslogd_test.sh
--- a/usr.sbin/syslogd/tests/syslogd_test.sh
+++ b/usr.sbin/syslogd/tests/syslogd_test.sh
@@ -11,7 +11,7 @@
 #
 
 # Tests to-do:
-# actions: hostname, users
+# actions: users
 
 readonly SYSLOGD_UDP_PORT="5140"
 readonly SYSLOGD_CONFIG="${PWD}/syslog.conf"
@@ -22,27 +22,72 @@
 # Start a private syslogd instance.
 syslogd_start()
 {
-    local jail
+    local jail bind_addr conf_file pid_file socket privsocket
+    local opt next other_args
+
+    # Setup loopback so we can deliver messages to ourself.
+    atf_check ifconfig lo0 inet 127.0.0.1/16
+
+    OPTIND=1
+    while getopts ":b:f:j:P:p:S:" opt; do
+        case "${opt}" in
+        b)
+            bind_addr="${OPTARG}"
+            ;;
+        f)
+            conf_file="${OPTARG}"
+            ;;
+        j)
+            jail="jexec ${OPTARG}"
+            ;;
+        P)
+            pid_file="${OPTARG}"
+            ;;
+        p)
+            socket="${OPTARG}"
+            ;;
+        S)
+            privsocket="${OPTARG}"
+            ;;
+        ?)
+            opt="${OPTARG}"
+            next="$(eval echo \${${OPTIND}})"
+
+            case "${next}" in
+            -* | "")
+                other_args="${other_args} -${opt}"
+                shift $((OPTIND - 1))
+                ;;
+            *)
+                other_args="${other_args} -${opt} ${next}"
+                shift ${OPTIND}
+                ;;
+            esac
+
+            # Tell getopts to continue parsing.
+            OPTIND=1
+            ;;
+        :)
+            atf_fail "The -${OPTARG} flag requires an argument"
+            ;;
+        esac
+    done
 
-    if [ "$1" = "-j" ]; then
-        jail="jexec $2"
-        shift 2
-    fi
     $jail syslogd \
-        -b ":${SYSLOGD_UDP_PORT}" \
+        -b "${bind_addr:-":${SYSLOGD_UDP_PORT}"}" \
         -C \
         -d \
-        -f "${SYSLOGD_CONFIG}" \
+        -f "${conf_file:-${SYSLOGD_CONFIG}}" \
         -H \
-        -p "${SYSLOGD_LOCAL_SOCKET}" \
-        -P "${SYSLOGD_PIDFILE}" \
-        -S "${SYSLOGD_LOCAL_PRIVSOCKET}" \
-        $@ \
+        -P "${pid_file:-${SYSLOGD_PIDFILE}}" \
+        -p "${socket:-${SYSLOGD_LOCAL_SOCKET}}" \
+        -S "${privsocket:-${SYSLOGD_LOCAL_PRIVSOCKET}}" \
+        ${other_args} \
         &
 
     # Give syslogd a bit of time to spin up.
     while [ "$((i+=1))" -le 20 ]; do
-        [ -S "${SYSLOGD_LOCAL_SOCKET}" ] && return
+        [ -S "${socket:-${SYSLOGD_LOCAL_SOCKET}}" ] && return
         sleep 0.1
     done
     atf_fail "timed out waiting for syslogd to start"
@@ -57,17 +102,19 @@
 # Make syslogd reload its configuration file.
 syslogd_reload()
 {
-    pkill -HUP -F "${SYSLOGD_PIDFILE}"
+    pkill -HUP -F "${1:-${SYSLOGD_PIDFILE}}"
 }
 
 # Stop a private syslogd instance.
 syslogd_stop()
 {
-    pid=$(cat "${SYSLOGD_PIDFILE}")
-    if pkill -F "${SYSLOGD_PIDFILE}"; then
+    local pid_file="${1:-${SYSLOGD_PIDFILE}}"
+
+    pid=$(cat "${pid_file}")
+    if pkill -F "${pid_file}"; then
         wait "${pid}"
-        rm -f "${SYSLOGD_PIDFILE}" "${SYSLOGD_LOCAL_SOCKET}" \
-            "${SYSLOGD_LOCAL_PRIVSOCKET}"
+        rm -f "${pid_file}" "${2:-${SYSLOGD_LOCAL_SOCKET}}" \
+            "${3:-${SYSLOGD_LOCAL_PRIVSOCKET}}"
     fi
 }
 
@@ -270,6 +317,45 @@
     syslogd_stop
 }
 
+atf_test_case "host_action" "cleanup"
+host_action_head()
+{
+    atf_set descr "Sends a message to a specified host"
+}
+host_action_body()
+{
+    local addr="192.0.2.100"
+    local logfile="${PWD}/host_action.log"
+
+    atf_check ifconfig lo1 create
+    atf_check ifconfig lo1 inet "${addr}/24"
+    atf_check ifconfig lo1 up
+
+    printf "user.debug\t${logfile}\n" > "${SYSLOGD_CONFIG}"
+    syslogd_start -b "${addr}"
+
+    printf "user.debug\t@${addr}\n" > "${SYSLOGD_CONFIG}.2"
+    syslogd_start \
+        -f "${SYSLOGD_CONFIG}.2" \
+        -P "${SYSLOGD_PIDFILE}.2" \
+        -p "${SYSLOGD_LOCAL_SOCKET}.2" \
+        -S "${SYSLOGD_LOCAL_PRIVSOCKET}.2"
+
+    syslogd_log -p user.debug -t "test" -h "${SYSLOGD_LOCAL_SOCKET}.2" \
+        "message from syslogd2"
+    atf_check -s exit:0 -o match:"test: message from syslogd2" \
+        cat "${logfile}"
+}
+host_action_cleanup()
+{
+    syslogd_stop
+    syslogd_stop \
+        "${SYSLOGD_PIDFILE}.2" \
+        "${SYSLOGD_LOCAL_SOCKET}.2" \
+        "${SYSLOGD_LOCAL_PRIVSOCKET}.2"
+    atf_check ifconfig lo1 destroy
+}
+
 atf_test_case "pipe_action" "cleanup"
 pipe_action_head()
 {
@@ -308,7 +394,7 @@
 
     logfile="${PWD}/jail_noinet.log"
     printf "user.debug\t${logfile}\n" > "${SYSLOGD_CONFIG}"
-    syslogd_start -j syslogd_noinet -ss
+    syslogd_start -j syslogd_noinet -s -s
 
     syslogd_log -p user.debug -t "test" -h "${SYSLOGD_LOCAL_SOCKET}" \
         "hello, world"
@@ -326,6 +412,7 @@
     atf_add_test_case "prog_filter"
     atf_add_test_case "host_filter"
     atf_add_test_case "prop_filter"
+    atf_add_test_case "host_action"
     atf_add_test_case "pipe_action"
     atf_add_test_case "jail_noinet"
 }