As reported in bug: #1566077 the former URL mentioned in the generated cookie

jar has died and we now instead point out our own version of that

lib/cookie.c

@@ -958,7 +958,7 @@ int Curl_cookie_output(struct CookieInfo *c, char *dumphere)
     char *format_ptr;
 
     fputs("# Netscape HTTP Cookie File\n"
-          "# http://www.netscape.com/newsref/std/cookie_spec.html\n"
+          "# http://curlm.haxx.se/rfc/cookie_spec.html\n"
           "# This file was generated by libcurl! Edit at your own risk.\n\n",
           out);
     co = c->cookies;

tests/data/test171

@@ -40,7 +40,7 @@ Proxy-Connection: Keep-Alive
 </protocol>
 <file name="log/jar171" mode=text>
 # Netscape HTTP Cookie File
-# http://www.netscape.com/newsref/std/cookie_spec.html
+# http://curlm.haxx.se/rfc/cookie_spec.html
 # This file was generated by libcurl! Edit at your own risk.
 
 .z.x.com	TRUE	/	FALSE	0	XToken	xt

tests/data/test172

@@ -22,7 +22,7 @@ http://%HOSTIP:%HTTPPORT/we/want/172 -b log/jar172.txt -b "tool=curl; name=fool"
 </command>
 <file name="log/jar172.txt">
 # Netscape HTTP Cookie File
-# http://www.netscape.com/newsref/std/cookie_spec.html
+# http://curlm.haxx.se/rfc/cookie_spec.html
 # This file was generated by libcurl! Edit at your own risk.
 
 .127.0.0.1	TRUE	/silly/	FALSE	0	ismatch	this

tests/data/test31

@@ -56,7 +56,7 @@ Accept: */*
 </protocol>
 <file name="log/jar31.txt" mode=text>
 # Netscape HTTP Cookie File
-# http://www.netscape.com/newsref/std/cookie_spec.html
+# http://curlm.haxx.se/rfc/cookie_spec.html
 # This file was generated by libcurl! Edit at your own risk.
 
 .127.0.0.1	TRUE	/silly/	FALSE	0	ismatch	this

tests/data/test46

@@ -62,7 +62,7 @@ Cookie: empty=; mooo=indeed
 </protocol>
 <file name="log/jar46" mode=text>
 # Netscape HTTP Cookie File
-# http://www.netscape.com/newsref/std/cookie_spec.html
+# http://curlm.haxx.se/rfc/cookie_spec.html
 # This file was generated by libcurl! Edit at your own risk.
 
 www.fake.come	FALSE	/	FALSE	1022144953	cookiecliente	si

tests/data/test506

@@ -150,7 +150,7 @@ http://%HOSTIP:%HTTPPORT/506
 </stderr>
 <file name="log/jar506" mode="text">
 # Netscape HTTP Cookie File
-# http://www.netscape.com/newsref/std/cookie_spec.html
+# http://curlm.haxx.se/rfc/cookie_spec.html
 # This file was generated by libcurl! Edit at your own risk.
 
 .foo.com	TRUE	/	FALSE	1170417387	test1	overwritten1

tests/data/test61

@@ -52,7 +52,7 @@ Host: www.host.foo.com
 </protocol>
 <file name="log/jar61.txt" mode=text>
 # Netscape HTTP Cookie File
-# http://www.netscape.com/newsref/std/cookie_spec.html
+# http://curlm.haxx.se/rfc/cookie_spec.html
 # This file was generated by libcurl! Edit at your own risk.
 
 .foo.com	TRUE	/we/want/	FALSE	1170330987	test	yes

tests/data/test62

@@ -29,7 +29,7 @@ http://%HOSTIP:%HTTPPORT/we/want/62 -b log/jar62.txt -H "Host: www.host.foo.com"
 </command>
 <file name="log/jar62.txt">
 # Netscape HTTP Cookie File
-# http://www.netscape.com/newsref/std/cookie_spec.html
+# http://curlm.haxx.se/rfc/cookie_spec.html
 # This file was generated by libcurl! Edit at your own risk.
 
 .foo.com	TRUE	/we/want/	FALSE	1170327387	test	yes

tests/data/test73

@@ -43,7 +43,7 @@ Host: host.NOT_DISCLOSED.se
 </protocol>
 <file name="log/jar73.txt" mode=text>
 # Netscape HTTP Cookie File
-# http://www.netscape.com/newsref/std/cookie_spec.html
+# http://curlm.haxx.se/rfc/cookie_spec.html
 # This file was generated by libcurl! Edit at your own risk.
 
 .NOT_DISCLOSED.se	TRUE	/	FALSE	0	IPCZQX01af0fca5c	000010008168c200d25dfc4b