diff --git a/src/zabbix_server/httppoller/httptest.c b/src/zabbix_server/httppoller/httptest.c
index eeecbefc4de..f9f0b935f9e 100644
--- a/src/zabbix_server/httppoller/httptest.c
+++ b/src/zabbix_server/httppoller/httptest.c
@@ -638,9 +638,9 @@ static void	process_httptest(DC_HOST *host, zbx_httptest_t *httptest)
 	/* CURLOPT_PROTOCOLS is supported starting with version 7.19.4 (0x071304) */
 	/* CURLOPT_PROTOCOLS was deprecated in favor of CURLOPT_PROTOCOLS_STR starting with version 7.85.0 (0x075500) */
 #	if LIBCURL_VERSION_NUM >= 0x075500
-	if (CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_PROTOCOLS_STR, "HTTP,HTTPS")))
+	if (CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_PROTOCOLS_STR, "HTTP,HTTPS,FTP,FTPS,RTSP")))
 #	else
-	if (CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS)))
+	if (CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS | CURLPROTO_FTP | CURLPROTO_FTPS | CURLPROTO_RTSP)))
 #	endif
 	{
 		err_str = zbx_strdup(err_str, curl_easy_strerror(err));