--- a/xml/en/docs/http/ngx_http_uwsgi_module.xml
+++ b/xml/en/docs/http/ngx_http_uwsgi_module.xml
@@ -666,14 +666,14 @@ This has lower priority than using the d
 
 <listitem>
 The
-“<link url="https://tools.ietf.org/html/rfc5861#section-3">stale-while-revalidate</link>”
+“<link url="https://datatracker.ietf.org/doc/html/rfc5861#section-3">stale-while-revalidate</link>”
 extension of the <header>Cache-Control</header> header field permits
 using a stale cached response if it is currently being updated.
 </listitem>
 
 <listitem>
 The
-“<link url="https://tools.ietf.org/html/rfc5861#section-4">stale-if-error</link>”
+“<link url="https://datatracker.ietf.org/doc/html/rfc5861#section-4">stale-if-error</link>”
 extension of the <header>Cache-Control</header> header field permits
 using a stale cached response in case of an error.
 </listitem>
@@ -1048,7 +1048,7 @@ server, passing a request to it, or read
 
 <tag-name id="non_idempotent"><literal>non_idempotent</literal></tag-name>
 <tag-desc>normally, requests with a
-<link url="https://tools.ietf.org/html/rfc7231#section-4.2.2">non-idempotent</link>
+<link url="https://datatracker.ietf.org/doc/html/rfc7231#section-4.2.2">non-idempotent</link>
 method
 (<literal>POST</literal>, <literal>LOCK</literal>, <literal>PATCH</literal>)
 are not passed to the next server
@@ -1166,7 +1166,7 @@ defined on the current level.
 
 <para>
 Standard
-<link url="https://tools.ietf.org/html/rfc3875#section-4.1">CGI
+<link url="https://datatracker.ietf.org/doc/html/rfc3875#section-4.1">CGI
 environment variables</link>
 should be provided as uwsgi headers, see the <path>uwsgi_params</path> file
 provided in the distribution: