--- a/xml/en/docs/http/ngx_http_core_module.xml	Tue Jan 25 15:38:14 2022 +0000
+++ b/xml/en/docs/http/ngx_http_core_module.xml	Wed Jan 26 16:26:47 2022 +0300
@@ -1430,13 +1430,13 @@
 enables
 “<link url="http://en.wikipedia.org/wiki/TCP_Fast_Open">TCP Fast Open</link>”
 for the listening socket (1.5.8) and
-<link url="https://tools.ietf.org/html/rfc7413#section-5.1">limits</link>
+<link url="https://datatracker.ietf.org/doc/html/rfc7413#section-5.1">limits</link>
 the maximum length for the queue of connections that have not yet completed
 the three-way handshake.
 <note>
 Do not enable this feature unless the server can handle
 receiving the
-<link url="https://tools.ietf.org/html/rfc7413#section-6.1">
+<link url="https://datatracker.ietf.org/doc/html/rfc7413#section-6.1">
 same SYN packet with data</link> more than once.
 </note>
 </tag-desc>