diff --git a/regress/cfgparse.sh b/regress/cfgparse.sh
new file mode 100644
index 000000000..95bd9a8a4
--- /dev/null
+++ b/regress/cfgparse.sh
@@ -0,0 +1,60 @@
+#	$OpenBSD: cfgparse.sh,v 1.4 2015/05/04 01:51:39 dtucker Exp $
+#	Placed in the Public Domain.
+
+tid="config parse"
+
+# We need to use the keys generated for the regression test because sshd -T
+# will fail if we're not running with SUDO (no permissions for real keys) or
+# if we are # running tests on a system that has never had sshd installed
+# (keys won't exist).
+
+grep "HostKey " $OBJ/sshd_config > $OBJ/sshd_config_minimal
+SSHD_KEYS="`cat $OBJ/sshd_config_minimal`"
+
+verbose "reparse minimal config"
+($SUDO ${SSHD} -T -f $OBJ/sshd_config_minimal >$OBJ/sshd_config.1 &&
+ $SUDO ${SSHD} -T -f $OBJ/sshd_config.1 >$OBJ/sshd_config.2 &&
+ diff $OBJ/sshd_config.1 $OBJ/sshd_config.2) || fail "reparse minimal config"
+
+verbose "reparse regress config"
+($SUDO ${SSHD} -T -f $OBJ/sshd_config >$OBJ/sshd_config.1 &&
+ $SUDO ${SSHD} -T -f $OBJ/sshd_config.1 >$OBJ/sshd_config.2 &&
+ diff $OBJ/sshd_config.1 $OBJ/sshd_config.2) || fail "reparse regress config"
+
+verbose "listenaddress order"
+# expected output
+cat > $OBJ/sshd_config.0 <<EOD
+listenaddress 1.2.3.4:1234
+listenaddress 1.2.3.4:5678
+listenaddress [::1]:1234
+listenaddress [::1]:5678
+EOD
+# test input sets.  should all result in the output above.
+# test 1: addressfamily and port first
+cat > $OBJ/sshd_config.1 <<EOD
+${SSHD_KEYS}
+addressfamily any
+port 1234
+port 5678
+listenaddress 1.2.3.4
+listenaddress ::1
+EOD
+($SUDO ${SSHD} -T -f $OBJ/sshd_config.1 | \
+ grep 'listenaddress ' >$OBJ/sshd_config.2 &&
+ diff $OBJ/sshd_config.0 $OBJ/sshd_config.2) || \
+ fail "listenaddress order 1"
+# test 2: listenaddress first
+cat > $OBJ/sshd_config.1 <<EOD
+listenaddress 1.2.3.4
+listenaddress ::1
+port 1234
+port 5678
+addressfamily any
+EOD
+($SUDO ${SSHD} -T -f $OBJ/sshd_config.1 | \
+ grep 'listenaddress ' >$OBJ/sshd_config.2 &&
+ diff $OBJ/sshd_config.0 $OBJ/sshd_config.2) || \
+ fail "listenaddress order 2"
+
+# cleanup
+rm -f $OBJ/sshd_config.[012]