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+---
+c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
+SPDX-License-Identifier: curl
+Title: CURLOPT_COOKIESESSION
+Section: 3
+Source: libcurl
+See-also:
+  - CURLOPT_COOKIE (3)
+  - CURLOPT_COOKIEFILE (3)
+  - CURLOPT_COOKIEJAR (3)
+---
+
+# NAME
+
+CURLOPT_COOKIESESSION - start a new cookie session
+
+# SYNOPSIS
+
+~~~c
+#include <curl/curl.h>
+
+CURLcode curl_easy_setopt(CURL *handle, CURLOPT_COOKIESESSION, long init);
+~~~
+
+# DESCRIPTION
+
+Pass a long set to 1 to mark this as a new cookie "session". It forces libcurl
+to ignore all cookies it is about to load that are "session cookies" from the
+previous session. By default, libcurl always loads all cookies, independent if
+they are session cookies or not. Session cookies are cookies without expiry
+date and they are meant to be alive and existing for this "session" only.
+
+A "session" is usually defined in browser land for as long as you have your
+browser up, more or less. libcurl needs the application to use this option to
+tell it when a new session starts, otherwise it assumes everything is still in
+the same session.
+
+# DEFAULT
+
+0
+
+# PROTOCOLS
+
+HTTP
+
+# EXAMPLE
+
+~~~c
+int main(void)
+{
+  CURL *curl = curl_easy_init();
+  if(curl) {
+    CURLcode res;
+    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
+
+    /* new "session", do not load session cookies */
+    curl_easy_setopt(curl, CURLOPT_COOKIESESSION, 1L);
+
+    /* get the (non session) cookies from this file */
+    curl_easy_setopt(curl, CURLOPT_COOKIEFILE, "/tmp/cookies.txt");
+
+    res = curl_easy_perform(curl);
+
+    curl_easy_cleanup(curl);
+  }
+}
+~~~
+
+# AVAILABILITY
+
+Along with HTTP
+
+# RETURN VALUE
+
+Returns CURLE_OK