diff --git a/phpseclib/Net/SFTP/Stream.php b/phpseclib/Net/SFTP/Stream.php
index 7af7280a..d19d08b8 100644
--- a/phpseclib/Net/SFTP/Stream.php
+++ b/phpseclib/Net/SFTP/Stream.php
@@ -154,7 +154,18 @@ class Stream
      */
     function _parse_path($path)
     {
+        $orig = $path;
         extract(parse_url($path) + array('port' => 22));
+        if (isset($query)) {
+            $path.= '?' . $query;
+        } elseif (preg_match('/(\?|\?#)$/', $orig)) {
+            $path.= '?';
+        }
+        if (isset($fragment)) {
+            $path.= '#' . $fragment;
+        } elseif ($orig[strlen($orig) - 1] == '#') {
+            $path.= '#';
+        }
 
         if (!isset($host)) {
             return false;
diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 33594914..409d29c5 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -2866,6 +2866,17 @@ class SSH2
         return (bool) ($this->bitmap & self::MASK_CONNECTED);
     }
 
+    /**
+     * Have you successfully been logged in?
+     *
+     * @return bool
+     * @access public
+     */
+    function isAuthenticated()
+    {
+        return (bool) ($this->bitmap & self::MASK_LOGIN);
+    }
+
     /**
      * Gets Binary Packets
      *
diff --git a/tests/Functional/Net/SFTPStreamTest.php b/tests/Functional/Net/SFTPStreamTest.php
index aab16ec9..83602359 100644
--- a/tests/Functional/Net/SFTPStreamTest.php
+++ b/tests/Functional/Net/SFTPStreamTest.php
@@ -27,6 +27,21 @@ class Functional_Net_SFTPStreamTest extends Functional_Net_SFTPTestCase
         $this->assertSame(0, $this->sftp->size('fooo.txt'));
     }
 
+    /**
+     * @group github778
+     */
+    public function testFilenameWithHash()
+    {
+        $context = stream_context_create(array(
+            'sftp' => array('session' => $this->sftp),
+        ));
+        $fp = fopen($this->buildUrl('te#st.txt'), 'wb', false, $context);
+        fputs($fp, 'zzzz');
+        fclose($fp);
+
+        $this->assertTrue(in_array('te#st.txt', $this->sftp->nlist()));
+    }
+
     /**
      * Tests connection reuse functionality same as ssh2 extension:
      * {@link http://php.net/manual/en/wrappers.ssh2.php#refsect1-wrappers.ssh2-examples}
diff --git a/tests/Functional/Net/SSH2Test.php b/tests/Functional/Net/SSH2Test.php
index 51373705..4c18abed 100644
--- a/tests/Functional/Net/SSH2Test.php
+++ b/tests/Functional/Net/SSH2Test.php
@@ -34,6 +34,11 @@ class Functional_Net_SSH2Test extends PhpseclibFunctionalTestCase
             'Failed asserting that SSH2 is not connected after construction.'
         );
 
+        $this->assertFalse(
+            $ssh->isAuthenticated(),
+            'Failed asserting that SSH2 is not authenticated after construction.'
+        );
+
         $this->assertNotEmpty(
             $ssh->getServerPublicHostKey(),
             'Failed asserting that a non-empty public host key was fetched.'
@@ -55,6 +60,31 @@ class Functional_Net_SSH2Test extends PhpseclibFunctionalTestCase
     /**
      * @depends testPreLogin
      */
+    public function testBadPassword($ssh)
+    {
+        $username = $this->getEnv('SSH_USERNAME');
+        $password = $this->getEnv('SSH_PASSWORD');
+        $this->assertFalse(
+            $ssh->login($username, 'zzz' . $password),
+            'SSH2 login using password succeeded.'
+        );
+
+        $this->assertTrue(
+            $ssh->isConnected(),
+            'Failed asserting that SSH2 is connected after bad login attempt.'
+        );
+
+        $this->assertFalse(
+            $ssh->isAuthenticated(),
+            'Failed asserting that SSH2 is not authenticated after bad login attempt.'
+        );
+
+        return $ssh;
+    }
+
+    /**
+     * @depends testBadPassword
+     */
     public function testPasswordLogin($ssh)
     {
         $username = $this->getEnv('SSH_USERNAME');
@@ -64,6 +94,11 @@ class Functional_Net_SSH2Test extends PhpseclibFunctionalTestCase
             'SSH2 login using password failed.'
         );
 
+        $this->assertTrue(
+            $ssh->isAuthenticated(),
+            'Failed asserting that SSH2 is authenticated after good login attempt.'
+        );
+
         return $ssh;
     }