diff --git a/upload/install/include/install_function.php b/upload/install/include/install_function.php
index 9b093886b20c155319f2a755edfd860ac12bd134..7a3ca5edea8fc465ec87b60a1667be20311338ac 100644
--- a/upload/install/include/install_function.php
+++ b/upload/install/include/install_function.php
@@ -876,10 +876,10 @@ function fsocketopen($hostname, $port = 80, &$errno, &$errstr, $timeout = 15) {
 function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype  = 'URLENCODE', $allowcurl = TRUE) {
 	$return = '';
 	$matches = parse_url($url);
-	$scheme = $matches['scheme'];
+	$scheme = strtolower($matches['scheme']);
 	$host = $matches['host'];
-	$path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/';
-	$port = !empty($matches['port']) ? $matches['port'] : ($matches['scheme'] == 'https' ? 443 : 80);
+	$path = !empty($matches['path']) ? $matches['path'].(!empty($matches['query']) ? '?'.$matches['query'] : '') : '/';
+	$port = !empty($matches['port']) ? $matches['port'] : ($scheme == 'https' ? 443 : 80);
 
 	if(function_exists('curl_init') && function_exists('curl_exec') && $allowcurl) {
 		$ch = curl_init();
@@ -925,6 +925,9 @@ function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $
 		$out = "POST $path HTTP/1.0\r\n";
 		$header = "Accept: */*\r\n";
 		$header .= "Accept-Language: zh-cn\r\n";
+		if($allowcurl) {
+			$encodetype = 'URLENCODE';
+		}
 		$boundary = $encodetype == 'URLENCODE' ? '' : '; boundary='.trim(substr(trim($post), 2, strpos(trim($post), "\n") - 2));
 		$header .= $encodetype == 'URLENCODE' ? "Content-Type: application/x-www-form-urlencoded\r\n" : "Content-Type: multipart/form-data$boundary\r\n";
 		$header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
@@ -946,22 +949,35 @@ function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $
 	}
 
 	$fpflag = 0;
-	if(!$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout)) {
-		$context = array(
-			'http' => array(
-				'method' => $post ? 'POST' : 'GET',
-				'header' => $header,
-				'content' => $post,
-				'timeout' => $timeout,
-			),
-			'ssl' => array(
-				'verify_peer' => false,
-				'verify_peer_name' => false,
-			),
+	$context = array();
+	if($scheme == 'https') {
+		$context['ssl'] = array(
+			'verify_peer' => false,
+			'verify_peer_name' => false,
+			'peer_name' => $host
 		);
+		if(version_compare(PHP_VERSION, '5.6.0', '<')) {
+			$context['ssl']['SNI_enabled'] = true;
+			$context['ssl']['SNI_server_name'] = $host;
+		}
+	}
+	if(ini_get('allow_url_fopen')) {
+		$context['http'] = array(
+			'method' => $post ? 'POST' : 'GET',
+			'header' => $header,
+			'timeout' => $timeout
+		);
+		if($post) {
+			$context['http']['content'] = $post;
+		}
 		$context = stream_context_create($context);
-		$fp = @fopen($scheme.'://'.($scheme == 'https' ? $host : ($ip ? $ip : $host)).':'.$port.$path, 'b', false, $context);
+		$fp = @fopen($scheme.'://'.($ip ? $ip : $host).':'.$port.$path, 'b', false, $context);
 		$fpflag = 1;
+	} elseif(function_exists('stream_socket_client')) {
+		$context = stream_context_create($context);
+		$fp = @stream_socket_client(($scheme == 'https' ? 'ssl://' : '').($ip ? $ip : $host).':'.$port, $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT, $context);
+	} else {
+		$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout);
 	}
 
 	if(!$fp) {
@@ -969,7 +985,9 @@ function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $
 	} else {
 		stream_set_blocking($fp, $block);
 		stream_set_timeout($fp, $timeout);
-		@fwrite($fp, $out);
+		if(!$fpflag) {
+			@fwrite($fp, $out);
+		}
 		$status = stream_get_meta_data($fp);
 		if(!$status['timed_out']) {
 			while (!feof($fp) && !$fpflag) {
diff --git a/upload/uc_client/client.php b/upload/uc_client/client.php
index 9e050bd95c9bea100a0e798b0b4ed3cc70db8959..02a9d4431ef10040b3cfaf19f196975b052ba11a 100644
--- a/upload/uc_client/client.php
+++ b/upload/uc_client/client.php
@@ -225,10 +225,10 @@ function uc_fopen2($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE
 function uc_fopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype  = 'URLENCODE', $allowcurl = TRUE) {
 	$return = '';
 	$matches = parse_url($url);
-	$scheme = $matches['scheme'];
+	$scheme = strtolower($matches['scheme']);
 	$host = $matches['host'];
-	$path = $matches['path'] ? $matches['path'].(isset($matches['query']) && $matches['query'] ? '?'.$matches['query'] : '') : '/';
-	$port = !empty($matches['port']) ? $matches['port'] : ($matches['scheme'] == 'https' ? 443 : 80);
+	$path = !empty($matches['path']) ? $matches['path'].(!empty($matches['query']) ? '?'.$matches['query'] : '') : '/';
+	$port = !empty($matches['port']) ? $matches['port'] : ($scheme == 'https' ? 443 : 80);
 
 	if(function_exists('curl_init') && function_exists('curl_exec') && $allowcurl) {
 		$ch = curl_init();
@@ -274,9 +274,13 @@ function uc_fopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE,
 		$out = "POST $path HTTP/1.0\r\n";
 		$header = "Accept: */*\r\n";
 		$header .= "Accept-Language: zh-cn\r\n";
-		$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
+		if($allowcurl) {
+			$encodetype = 'URLENCODE';
+		}
+		$boundary = $encodetype == 'URLENCODE' ? '' : '; boundary='.trim(substr(trim($post), 2, strpos(trim($post), "\n") - 2));
+		$header .= $encodetype == 'URLENCODE' ? "Content-Type: application/x-www-form-urlencoded\r\n" : "Content-Type: multipart/form-data$boundary\r\n";
 		$header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
-		$header .= "Host: $host\r\n";
+		$header .= "Host: $host:$port\r\n";
 		$header .= 'Content-Length: '.strlen($post)."\r\n";
 		$header .= "Connection: Close\r\n";
 		$header .= "Cache-Control: no-cache\r\n";
@@ -287,29 +291,42 @@ function uc_fopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE,
 		$header = "Accept: */*\r\n";
 		$header .= "Accept-Language: zh-cn\r\n";
 		$header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
-		$header .= "Host: $host\r\n";
+		$header .= "Host: $host:$port\r\n";
 		$header .= "Connection: Close\r\n";
 		$header .= "Cookie: $cookie\r\n\r\n";
 		$out .= $header;
 	}
 
 	$fpflag = 0;
-	if(!$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout)) {
-		$context = array(
-			'http' => array(
-				'method' => $post ? 'POST' : 'GET',
-				'header' => $header,
-				'content' => $post,
-				'timeout' => $timeout,
-			),
-			'ssl' => array(
-				'verify_peer' => false,
-				'verify_peer_name' => false,
-			),
+	$context = array();
+	if($scheme == 'https') {
+		$context['ssl'] = array(
+			'verify_peer' => false,
+			'verify_peer_name' => false,
+			'peer_name' => $host
 		);
+		if(version_compare(PHP_VERSION, '5.6.0', '<')) {
+			$context['ssl']['SNI_enabled'] = true;
+			$context['ssl']['SNI_server_name'] = $host;
+		}
+	}
+	if(ini_get('allow_url_fopen')) {
+		$context['http'] = array(
+			'method' => $post ? 'POST' : 'GET',
+			'header' => $header,
+			'timeout' => $timeout
+		);
+		if($post) {
+			$context['http']['content'] = $post;
+		}
 		$context = stream_context_create($context);
-		$fp = @fopen($scheme.'://'.($scheme == 'https' ? $host : ($ip ? $ip : $host)).':'.$port.$path, 'b', false, $context);
+		$fp = @fopen($scheme.'://'.($ip ? $ip : $host).':'.$port.$path, 'b', false, $context);
 		$fpflag = 1;
+	} elseif(function_exists('stream_socket_client')) {
+		$context = stream_context_create($context);
+		$fp = @stream_socket_client(($scheme == 'https' ? 'ssl://' : '').($ip ? $ip : $host).':'.$port, $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT, $context);
+	} else {
+		$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout);
 	}
 
 	if(!$fp) {
@@ -317,7 +334,9 @@ function uc_fopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE,
 	} else {
 		stream_set_blocking($fp, $block);
 		stream_set_timeout($fp, $timeout);
-		@fwrite($fp, $out);
+		if(!$fpflag) {
+			@fwrite($fp, $out);
+		}
 		$status = stream_get_meta_data($fp);
 		if(!$status['timed_out']) {
 			while (!feof($fp) && !$fpflag) {
diff --git a/upload/uc_client/model/misc.php b/upload/uc_client/model/misc.php
index 5d60abda77d6c35c47cc2a44a1d4de686c2734f8..c50c1999118df9ab1f4361fc89ef7f4e89b5c048 100644
--- a/upload/uc_client/model/misc.php
+++ b/upload/uc_client/model/misc.php
@@ -61,13 +61,13 @@ class miscmodel {
 		return $this->dfopen($url, $limit, $post, $cookie, $bysocket, $ip, $timeout, $block, $encodetype, $allowcurl);
 	}
 
-	function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE	, $ip = '', $timeout = 15, $block = TRUE, $encodetype  = 'URLENCODE', $allowcurl = TRUE) {
+	function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype  = 'URLENCODE', $allowcurl = TRUE) {
 		$return = '';
 		$matches = parse_url($url);
-		$scheme = $matches['scheme'];
+		$scheme = strtolower($matches['scheme']);
 		$host = $matches['host'];
-		$path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/';
-		$port = !empty($matches['port']) ? $matches['port'] : ($matches['scheme'] == 'https' ? 443 : 80);
+		$path = !empty($matches['path']) ? $matches['path'].(!empty($matches['query']) ? '?'.$matches['query'] : '') : '/';
+		$port = !empty($matches['port']) ? $matches['port'] : ($scheme == 'https' ? 443 : 80);
 
 		if(function_exists('curl_init') && function_exists('curl_exec') && $allowcurl) {
 			$ch = curl_init();
@@ -113,7 +113,10 @@ class miscmodel {
 			$out = "POST $path HTTP/1.0\r\n";
 			$header = "Accept: */*\r\n";
 			$header .= "Accept-Language: zh-cn\r\n";
-			$boundary = $encodetype == 'URLENCODE' ? '' : ';'.substr($post, 0, trim(strpos($post, "\n")));
+			if($allowcurl) {
+				$encodetype = 'URLENCODE';
+			}
+			$boundary = $encodetype == 'URLENCODE' ? '' : '; boundary='.trim(substr(trim($post), 2, strpos(trim($post), "\n") - 2));
 			$header .= $encodetype == 'URLENCODE' ? "Content-Type: application/x-www-form-urlencoded\r\n" : "Content-Type: multipart/form-data$boundary\r\n";
 			$header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
 			$header .= "Host: $host:$port\r\n";
@@ -134,22 +137,35 @@ class miscmodel {
 		}
 
 		$fpflag = 0;
-		if(!$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout)) {
-			$context = array(
-				'http' => array(
-					'method' => $post ? 'POST' : 'GET',
-					'header' => $header,
-					'content' => $post,
-					'timeout' => $timeout,
-				),
-				'ssl' => array(
-					'verify_peer' => false,
-					'verify_peer_name' => false,
-				),
+		$context = array();
+		if($scheme == 'https') {
+			$context['ssl'] = array(
+				'verify_peer' => false,
+				'verify_peer_name' => false,
+				'peer_name' => $host
 			);
+			if(version_compare(PHP_VERSION, '5.6.0', '<')) {
+				$context['ssl']['SNI_enabled'] = true;
+				$context['ssl']['SNI_server_name'] = $host;
+			}
+		}
+		if(ini_get('allow_url_fopen')) {
+			$context['http'] = array(
+				'method' => $post ? 'POST' : 'GET',
+				'header' => $header,
+				'timeout' => $timeout
+			);
+			if($post) {
+				$context['http']['content'] = $post;
+			}
 			$context = stream_context_create($context);
-			$fp = @fopen($scheme.'://'.($scheme == 'https' ? $host : ($ip ? $ip : $host)).':'.$port.$path, 'b', false, $context);
+			$fp = @fopen($scheme.'://'.($ip ? $ip : $host).':'.$port.$path, 'b', false, $context);
 			$fpflag = 1;
+		} elseif(function_exists('stream_socket_client')) {
+			$context = stream_context_create($context);
+			$fp = @stream_socket_client(($scheme == 'https' ? 'ssl://' : '').($ip ? $ip : $host).':'.$port, $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT, $context);
+		} else {
+			$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout);
 		}
 
 		if(!$fp) {
@@ -157,7 +173,9 @@ class miscmodel {
 		} else {
 			stream_set_blocking($fp, $block);
 			stream_set_timeout($fp, $timeout);
-			@fwrite($fp, $out);
+			if(!$fpflag) {
+				@fwrite($fp, $out);
+			}
 			$status = stream_get_meta_data($fp);
 			if(!$status['timed_out']) {
 				while (!feof($fp) && !$fpflag) {
diff --git a/upload/uc_server/install/func.inc.php b/upload/uc_server/install/func.inc.php
index 3d09cf1a5f600fbad61cffc258d42e6141843015..4456056ea343107cdd7b9866e6633a40a5aa5703 100644
--- a/upload/uc_server/install/func.inc.php
+++ b/upload/uc_server/install/func.inc.php
@@ -746,10 +746,10 @@ function fsocketopen($hostname, $port = 80, &$errno, &$errstr, $timeout = 15) {
 function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype  = 'URLENCODE', $allowcurl = TRUE) {
 	$return = '';
 	$matches = parse_url($url);
-	$scheme = $matches['scheme'];
+	$scheme = strtolower($matches['scheme']);
 	$host = $matches['host'];
-	$path = $matches['path'] ? $matches['path'].(isset($matches['query']) && $matches['query'] ? '?'.$matches['query'] : '') : '/';
-	$port = !empty($matches['port']) ? $matches['port'] : ($matches['scheme'] == 'https' ? 443 : 80);
+	$path = !empty($matches['path']) ? $matches['path'].(!empty($matches['query']) ? '?'.$matches['query'] : '') : '/';
+	$port = !empty($matches['port']) ? $matches['port'] : ($scheme == 'https' ? 443 : 80);
 
 	if(function_exists('curl_init') && function_exists('curl_exec') && $allowcurl) {
 		$ch = curl_init();
@@ -795,9 +795,13 @@ function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $
 		$out = "POST $path HTTP/1.0\r\n";
 		$header = "Accept: */*\r\n";
 		$header .= "Accept-Language: zh-cn\r\n";
-		$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
+		if($allowcurl) {
+			$encodetype = 'URLENCODE';
+		}
+		$boundary = $encodetype == 'URLENCODE' ? '' : '; boundary='.trim(substr(trim($post), 2, strpos(trim($post), "\n") - 2));
+		$header .= $encodetype == 'URLENCODE' ? "Content-Type: application/x-www-form-urlencoded\r\n" : "Content-Type: multipart/form-data$boundary\r\n";
 		$header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
-		$header .= "Host: $host\r\n";
+		$header .= "Host: $host:$port\r\n";
 		$header .= 'Content-Length: '.strlen($post)."\r\n";
 		$header .= "Connection: Close\r\n";
 		$header .= "Cache-Control: no-cache\r\n";
@@ -808,29 +812,42 @@ function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $
 		$header = "Accept: */*\r\n";
 		$header .= "Accept-Language: zh-cn\r\n";
 		$header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
-		$header .= "Host: $host\r\n";
+		$header .= "Host: $host:$port\r\n";
 		$header .= "Connection: Close\r\n";
 		$header .= "Cookie: $cookie\r\n\r\n";
 		$out .= $header;
 	}
 
 	$fpflag = 0;
-	if(!$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout)) {
-		$context = array(
-			'http' => array(
-				'method' => $post ? 'POST' : 'GET',
-				'header' => $header,
-				'content' => $post,
-				'timeout' => $timeout,
-			),
-			'ssl' => array(
-				'verify_peer' => false,
-				'verify_peer_name' => false,
-			),
+	$context = array();
+	if($scheme == 'https') {
+		$context['ssl'] = array(
+			'verify_peer' => false,
+			'verify_peer_name' => false,
+			'peer_name' => $host
 		);
+		if(version_compare(PHP_VERSION, '5.6.0', '<')) {
+			$context['ssl']['SNI_enabled'] = true;
+			$context['ssl']['SNI_server_name'] = $host;
+		}
+	}
+	if(ini_get('allow_url_fopen')) {
+		$context['http'] = array(
+			'method' => $post ? 'POST' : 'GET',
+			'header' => $header,
+			'timeout' => $timeout
+		);
+		if($post) {
+			$context['http']['content'] = $post;
+		}
 		$context = stream_context_create($context);
-		$fp = @fopen($scheme.'://'.($scheme == 'https' ? $host : ($ip ? $ip : $host)).':'.$port.$path, 'b', false, $context);
+		$fp = @fopen($scheme.'://'.($ip ? $ip : $host).':'.$port.$path, 'b', false, $context);
 		$fpflag = 1;
+	} elseif(function_exists('stream_socket_client')) {
+		$context = stream_context_create($context);
+		$fp = @stream_socket_client(($scheme == 'https' ? 'ssl://' : '').($ip ? $ip : $host).':'.$port, $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT, $context);
+	} else {
+		$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout);
 	}
 
 	if(!$fp) {
@@ -838,7 +855,9 @@ function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $
 	} else {
 		stream_set_blocking($fp, $block);
 		stream_set_timeout($fp, $timeout);
-		@fwrite($fp, $out);
+		if(!$fpflag) {
+			@fwrite($fp, $out);
+		}
 		$status = stream_get_meta_data($fp);
 		if(!$status['timed_out']) {
 			while (!feof($fp) && !$fpflag) {
diff --git a/upload/uc_server/model/misc.php b/upload/uc_server/model/misc.php
index 9ab23336b653298dff8278c44486758ab761694f..ba6409e5d56ab61a25beb0b9232abdaa049b2e2f 100644
--- a/upload/uc_server/model/misc.php
+++ b/upload/uc_server/model/misc.php
@@ -59,13 +59,13 @@ class miscmodel {
 		return $this->dfopen($url, $limit, $post, $cookie, $bysocket, $ip, $timeout, $block, $encodetype, $allowcurl);
 	}
 
-	function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE	, $ip = '', $timeout = 15, $block = TRUE, $encodetype  = 'URLENCODE', $allowcurl = TRUE) {
+	function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype  = 'URLENCODE', $allowcurl = TRUE) {
 		$return = '';
 		$matches = parse_url($url);
-		$scheme = $matches['scheme'];
+		$scheme = strtolower($matches['scheme']);
 		$host = $matches['host'];
-		$path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/';
-		$port = !empty($matches['port']) ? $matches['port'] : ($matches['scheme'] == 'https' ? 443 : 80);
+		$path = !empty($matches['path']) ? $matches['path'].(!empty($matches['query']) ? '?'.$matches['query'] : '') : '/';
+		$port = !empty($matches['port']) ? $matches['port'] : ($scheme == 'https' ? 443 : 80);
 
 		if(function_exists('curl_init') && function_exists('curl_exec') && $allowcurl) {
 			$ch = curl_init();
@@ -111,7 +111,10 @@ class miscmodel {
 			$out = "POST $path HTTP/1.0\r\n";
 			$header = "Accept: */*\r\n";
 			$header .= "Accept-Language: zh-cn\r\n";
-			$boundary = $encodetype == 'URLENCODE' ? '' : ';'.substr($post, 0, trim(strpos($post, "\n")));
+			if($allowcurl) {
+				$encodetype = 'URLENCODE';
+			}
+			$boundary = $encodetype == 'URLENCODE' ? '' : '; boundary='.trim(substr(trim($post), 2, strpos(trim($post), "\n") - 2));
 			$header .= $encodetype == 'URLENCODE' ? "Content-Type: application/x-www-form-urlencoded\r\n" : "Content-Type: multipart/form-data$boundary\r\n";
 			$header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
 			$header .= "Host: $host:$port\r\n";
@@ -132,22 +135,35 @@ class miscmodel {
 		}
 
 		$fpflag = 0;
-		if(!$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout)) {
-			$context = array(
-				'http' => array(
-					'method' => $post ? 'POST' : 'GET',
-					'header' => $header,
-					'content' => $post,
-					'timeout' => $timeout,
-				),
-				'ssl' => array(
-					'verify_peer' => false,
-					'verify_peer_name' => false,
-				),
+		$context = array();
+		if($scheme == 'https') {
+			$context['ssl'] = array(
+				'verify_peer' => false,
+				'verify_peer_name' => false,
+				'peer_name' => $host
 			);
+			if(version_compare(PHP_VERSION, '5.6.0', '<')) {
+				$context['ssl']['SNI_enabled'] = true;
+				$context['ssl']['SNI_server_name'] = $host;
+			}
+		}
+		if(ini_get('allow_url_fopen')) {
+			$context['http'] = array(
+				'method' => $post ? 'POST' : 'GET',
+				'header' => $header,
+				'timeout' => $timeout
+			);
+			if($post) {
+				$context['http']['content'] = $post;
+			}
 			$context = stream_context_create($context);
-			$fp = @fopen($scheme.'://'.($scheme == 'https' ? $host : ($ip ? $ip : $host)).':'.$port.$path, 'b', false, $context);
+			$fp = @fopen($scheme.'://'.($ip ? $ip : $host).':'.$port.$path, 'b', false, $context);
 			$fpflag = 1;
+		} elseif(function_exists('stream_socket_client')) {
+			$context = stream_context_create($context);
+			$fp = @stream_socket_client(($scheme == 'https' ? 'ssl://' : '').($ip ? $ip : $host).':'.$port, $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT, $context);
+		} else {
+			$fp = @fsocketopen(($scheme == 'https' ? 'ssl://' : '').($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout);
 		}
 
 		if(!$fp) {
@@ -155,7 +171,9 @@ class miscmodel {
 		} else {
 			stream_set_blocking($fp, $block);
 			stream_set_timeout($fp, $timeout);
-			@fwrite($fp, $out);
+			if(!$fpflag) {
+				@fwrite($fp, $out);
+			}
 			$status = stream_get_meta_data($fp);
 			if(!$status['timed_out']) {
 				while (!feof($fp) && !$fpflag) {