new file mode 100644
--- /dev/null
+++ b/stream_ssl_verify_client.t
@@ -0,0 +1,118 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Andrey Zelenkov
+# (C) Nginx, Inc.
+
+# Tests for stream ssl module, ssl_verify_client.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+use Socket;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+use Test::Nginx::Stream qw/ stream /;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+eval {
+	require Net::SSLeay;
+	Net::SSLeay::load_error_strings();
+	Net::SSLeay::SSLeay_add_ssl_algorithms();
+	Net::SSLeay::randomize();
+};
+plan(skip_all => 'Net::SSLeay not installed') if $@;
+
+my $t = Test::Nginx->new()->has(qw/stream stream_ssl stream_return/)
+	->has_daemon('openssl');
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+stream {
+    ssl_certificate_key localhost.key;
+    ssl_certificate localhost.crt;
+
+    ssl_verify_client optional_no_ca;
+
+    server {
+        listen  127.0.0.1:8080 ssl;
+        return  $ssl_client_verify;
+
+        ssl_client_certificate client.crt;
+    }
+
+    server {
+        listen  127.0.0.1:8081 ssl;
+        return  $ssl_client_verify;
+    }
+}
+
+EOF
+
+my $d = $t->testdir();
+
+$t->write_file('openssl.conf', <<EOF);
+[ req ]
+default_bits = 2048
+encrypt_key = no
+distinguished_name = req_distinguished_name
+[ req_distinguished_name ]
+EOF
+
+foreach my $name ('localhost', 'client') {
+	system('openssl req -x509 -new '
+		. "-config '$d/openssl.conf' -subj '/CN=$name/' "
+		. "-out '$d/$name.crt' -keyout '$d/$name.key' "
+		. ">>$d/openssl.out 2>&1") == 0
+		or die "Can't create certificate for $name: $!\n";
+}
+
+my $ctx = Net::SSLeay::CTX_new() or die("Failed to create SSL_CTX $!");
+Net::SSLeay::set_cert_and_key($ctx, "$d/client.crt", "$d/client.key") or die;
+
+$t->try_run('no ssl_verify_client')->plan(2);
+
+###############################################################################
+
+my ($s, $ssl) = get_ssl_socket(port(8080));
+is(Net::SSLeay::read($ssl), 'SUCCESS', 'success');
+
+($s, $ssl) = get_ssl_socket(port(8081));
+like(Net::SSLeay::read($ssl), qr/FAILED/, 'failed');
+
+###############################################################################
+
+sub get_ssl_socket {
+	my ($port) = @_;
+
+	my $dest_ip = inet_aton('127.0.0.1');
+	my $dest_serv_params = sockaddr_in($port, $dest_ip);
+
+	socket(my $s, &AF_INET, &SOCK_STREAM, 0) or die "socket: $!";
+	connect($s, $dest_serv_params) or die "connect: $!";
+
+	my $ssl = Net::SSLeay::new($ctx) or die("Failed to create SSL $!");
+	Net::SSLeay::set_fd($ssl, fileno($s));
+	Net::SSLeay::connect($ssl) or die("ssl connect");
+	return ($s, $ssl);
+}
+
+###############################################################################