--- a/certs/openssl.cnf	Fri Aug 05 14:41:13 2022 +0200
+++ b/certs/openssl.cnf	Fri Aug 05 16:54:15 2022 +0200
@@ -46,7 +46,7 @@
 
 [ subject_alternative_name ]
 
-# See http://tools.ietf.org/html/rfc6120#section-13.7.1.2 for more info.
+# See https://www.rfc-editor.org/rfc/rfc6120.html#section-13.7.1.2 for more info.
 
 DNS.0       =                                           example.com
 otherName.0 =                 xmppAddr;FORMAT:UTF8,UTF8:example.com

--- a/net/dns.lua	Fri Aug 05 14:41:13 2022 +0200
+++ b/net/dns.lua	Fri Aug 05 16:54:15 2022 +0200
@@ -8,8 +8,8 @@
 -- todo: cache results of encodeName
 
 
--- reference: http://tools.ietf.org/html/rfc1035
--- reference: http://tools.ietf.org/html/rfc1876 (LOC)
+-- reference: https://www.rfc-editor.org/rfc/rfc1035.html
+-- reference: https://www.rfc-editor.org/rfc/rfc1876.html (LOC)
 
 
 local socket = require "socket";

--- a/spec/util_uuid_spec.lua	Fri Aug 05 14:41:13 2022 +0200
+++ b/spec/util_uuid_spec.lua	Fri Aug 05 16:54:15 2022 +0200
@@ -5,7 +5,7 @@
 describe("util.uuid", function()
 	describe("#generate()", function()
 		it("should work follow the UUID pattern", function()
-			-- https://tools.ietf.org/html/rfc4122#section-4.4
+			-- https://www.rfc-editor.org/rfc/rfc4122.html#section-4.4
 
 			local pattern = "^" .. table.concat({
 				string.rep("%x", 8),

--- a/util/x509.lua	Fri Aug 05 14:41:13 2022 +0200
+++ b/util/x509.lua	Fri Aug 05 16:54:15 2022 +0200
@@ -11,12 +11,12 @@
 -- IDN libraries complicate that.
 
 
--- [TLS-CERTS] - http://tools.ietf.org/html/rfc6125
--- [XMPP-CORE] - http://tools.ietf.org/html/rfc6120
--- [SRV-ID]    - http://tools.ietf.org/html/rfc4985
--- [IDNA]      - http://tools.ietf.org/html/rfc5890
--- [LDAP]      - http://tools.ietf.org/html/rfc4519
--- [PKIX]      - http://tools.ietf.org/html/rfc5280
+-- [TLS-CERTS] - https://www.rfc-editor.org/rfc/rfc6125.html
+-- [XMPP-CORE] - https://www.rfc-editor.org/rfc/rfc6120.html
+-- [SRV-ID]    - https://www.rfc-editor.org/rfc/rfc4985.html
+-- [IDNA]      - https://www.rfc-editor.org/rfc/rfc5890.html
+-- [LDAP]      - https://www.rfc-editor.org/rfc/rfc4519.html
+-- [PKIX]      - https://www.rfc-editor.org/rfc/rfc5280.html
 
 local nameprep = require "util.encodings".stringprep.nameprep;
 local idna_to_ascii = require "util.encodings".idna.to_ascii;