diff -up openssl-1.1.1k/include/internal/cryptlib.h.conf-new openssl-1.1.1k/include/internal/cryptlib.h
--- openssl-1.1.1k/include/internal/cryptlib.h.conf-new	2021-08-30 14:19:25.209494828 +0200
+++ openssl-1.1.1k/include/internal/cryptlib.h	2021-08-30 14:19:34.047615270 +0200
@@ -51,7 +51,7 @@ typedef struct app_mem_info_st APP_INFO;
 typedef struct mem_st MEM;
 DEFINE_LHASH_OF(MEM);
 
-# define OPENSSL_CONF             "openssl.cnf"
+# define OPENSSL_CONF             "openssl11.cnf"
 
 # ifndef OPENSSL_SYS_VMS
 #  define X509_CERT_AREA          OPENSSLDIR
diff -up openssl-1.1.1k/Configurations/unix-Makefile.tmpl.new-conf openssl-1.1.1k/Configurations/unix-Makefile.tmpl
--- openssl-1.1.1k/Configurations/unix-Makefile.tmpl.new-conf	2021-10-05 11:33:47.651773153 +0200
+++ openssl-1.1.1k/Configurations/unix-Makefile.tmpl	2021-10-05 11:34:08.273946559 +0200
@@ -580,14 +580,14 @@ install_ssldirs:
 			: {- output_on() if windowsdll(); "" -}; \
 		fi; \
 	done
-	@$(ECHO) "install $(SRCDIR)/apps/openssl.cnf -> $(DESTDIR)$(OPENSSLDIR)/openssl.cnf.dist"
-	@cp $(SRCDIR)/apps/openssl.cnf "$(DESTDIR)$(OPENSSLDIR)/openssl.cnf.new"
-	@chmod 644 "$(DESTDIR)$(OPENSSLDIR)/openssl.cnf.new"
-	@mv -f "$(DESTDIR)$(OPENSSLDIR)/openssl.cnf.new" "$(DESTDIR)$(OPENSSLDIR)/openssl.cnf.dist"
-	@if [ ! -f "$(DESTDIR)$(OPENSSLDIR)/openssl.cnf" ]; then \
-		$(ECHO) "install $(SRCDIR)/apps/openssl.cnf -> $(DESTDIR)$(OPENSSLDIR)/openssl.cnf"; \
-		cp $(SRCDIR)/apps/openssl.cnf "$(DESTDIR)$(OPENSSLDIR)/openssl.cnf"; \
-		chmod 644 "$(DESTDIR)$(OPENSSLDIR)/openssl.cnf"; \
+	@$(ECHO) "install $(SRCDIR)/apps/openssl11.cnf -> $(DESTDIR)$(OPENSSLDIR)/openssl11.cnf.dist"
+	@cp $(SRCDIR)/apps/openssl11.cnf "$(DESTDIR)$(OPENSSLDIR)/openssl11.cnf.new"
+	@chmod 644 "$(DESTDIR)$(OPENSSLDIR)/openssl11.cnf.new"
+	@mv -f "$(DESTDIR)$(OPENSSLDIR)/openssl11.cnf.new" "$(DESTDIR)$(OPENSSLDIR)/openssl11.cnf.dist"
+	@if [ ! -f "$(DESTDIR)$(OPENSSLDIR)/openssl11.cnf" ]; then \
+		$(ECHO) "install $(SRCDIR)/apps/openssl11.cnf -> $(DESTDIR)$(OPENSSLDIR)/openssl11.cnf"; \
+		cp $(SRCDIR)/apps/openssl11.cnf "$(DESTDIR)$(OPENSSLDIR)/openssl11.cnf"; \
+		chmod 644 "$(DESTDIR)$(OPENSSLDIR)/openssl11.cnf"; \
 	fi
 	@$(ECHO) "install $(SRCDIR)/apps/ct_log_list.cnf -> $(DESTDIR)$(OPENSSLDIR)/ct_log_list.cnf.dist"
 	@cp $(SRCDIR)/apps/ct_log_list.cnf "$(DESTDIR)$(OPENSSLDIR)/ct_log_list.cnf.new"
@@ -871,7 +871,7 @@ lint:
 
 generate_apps:
 	( cd $(SRCDIR); $(PERL) VMS/VMSify-conf.pl \
-				< apps/openssl.cnf > apps/openssl-vms.cnf )
+				< apps/openssl11.cnf > apps/openssl-vms.cnf )
 
 generate_crypto_bn:
 	( cd $(SRCDIR); $(PERL) crypto/bn/bn_prime.pl > crypto/bn/bn_prime.h )
diff -up openssl-1.1.1k/Configure.new-conf openssl-1.1.1k/Configure
--- openssl-1.1.1k/Configure.new-conf	2021-10-05 13:07:38.128588902 +0200
+++ openssl-1.1.1k/Configure	2021-10-05 13:08:00.190795712 +0200
@@ -35,7 +35,7 @@ my $usage="Usage: Configure [no-<cipher>
 #               directories bin, lib, include, share/man, share/doc/openssl
 #               This becomes the value of INSTALLTOP in Makefile
 #               (Default: /usr/local)
-# --openssldir  OpenSSL data area, such as openssl.cnf, certificates and keys.
+# --openssldir  OpenSSL data area, such as openssl11.cnf, certificates and keys.
 #               If it's a relative directory, it will be added on the directory
 #               given with --prefix.
 #               This becomes the value of OPENSSLDIR in Makefile and in C.
diff -up openssl-1.1.1k/doc/HOWTO/certificates.txt.new-conf openssl-1.1.1k/doc/HOWTO/certificates.txt
--- openssl-1.1.1k/doc/HOWTO/certificates.txt.new-conf	2021-10-05 13:09:44.705775386 +0200
+++ openssl-1.1.1k/doc/HOWTO/certificates.txt	2021-10-05 13:09:58.621905835 +0200
@@ -16,7 +16,7 @@ Certificate authorities should read http
 In all the cases shown below, the standard configuration file, as
 compiled into openssl, will be used.  You may find it in /etc/,
 /usr/local/ssl/ or somewhere else.  By default the file is named
-openssl.cnf and is described at https://www.openssl.org/docs/apps/config.html.
+openssl11.cnf and is described at https://www.openssl.org/docs/apps/config.html.
 You can specify a different configuration file using the
 '-config {file}' argument with the commands shown below.
 
diff -up openssl-1.1.1k/doc/man3/OPENSSL_config.pod.new-conf openssl-1.1.1k/doc/man3/OPENSSL_config.pod
--- openssl-1.1.1k/doc/man3/OPENSSL_config.pod.new-conf	2021-10-05 13:08:51.108273006 +0200
+++ openssl-1.1.1k/doc/man3/OPENSSL_config.pod	2021-10-05 13:09:07.614427700 +0200
@@ -15,7 +15,7 @@ OPENSSL_config, OPENSSL_no_config - simp
 
 =head1 DESCRIPTION
 
-OPENSSL_config() configures OpenSSL using the standard B<openssl.cnf> and
+OPENSSL_config() configures OpenSSL using the standard B<openssl11.cnf> and
 reads from the application section B<appname>. If B<appname> is NULL then
 the default section, B<openssl_conf>, will be used.
 Errors are silently ignored.
diff -up openssl-1.1.1k/doc/man5/config.pod.new-conf openssl-1.1.1k/doc/man5/config.pod
--- openssl-1.1.1k/doc/man5/config.pod.new-conf	2021-10-05 13:10:21.497120265 +0200
+++ openssl-1.1.1k/doc/man5/config.pod	2021-10-05 13:10:35.727253658 +0200
@@ -7,7 +7,7 @@ config - OpenSSL CONF library configurat
 =head1 DESCRIPTION
 
 The OpenSSL CONF library can be used to read configuration files.
-It is used for the OpenSSL master configuration file B<openssl.cnf>
+It is used for the OpenSSL master configuration file B<openssl11.cnf>
 and in a few other places like B<SPKAC> files and certificate extension
 files for the B<x509> utility. OpenSSL applications can also use the
 CONF library for their own purposes.
diff -up openssl-1.1.1k/INSTALL.new-conf openssl-1.1.1k/INSTALL
--- openssl-1.1.1k/INSTALL.new-conf	2021-10-05 13:10:56.473448084 +0200
+++ openssl-1.1.1k/INSTALL	2021-10-05 13:11:11.388587895 +0200
@@ -296,7 +296,7 @@
                    be undesirable if small executable size is an objective.
 
   no-autoload-config
-                   Don't automatically load the default openssl.cnf file.
+                   Don't automatically load the default openssl11.cnf file.
                    Typically OpenSSL will automatically load a system config
                    file which configures default ssl options.
 
diff -up openssl-1.1.1k/NEWS.new-conf openssl-1.1.1k/NEWS
--- openssl-1.1.1k/NEWS.new-conf	2021-10-05 13:11:31.092772601 +0200
+++ openssl-1.1.1k/NEWS	2021-10-05 13:12:48.923502139 +0200
@@ -12,6 +12,8 @@
       o Fixed an issue where an OpenSSL TLS server may crash if sent a
         maliciously crafted renegotiation ClientHello message from a client
         (CVE-2021-3449)
+      o This compat package provides a config file with the name openssl11.cnf
+        instead of openssl.cnf.
 
   Major changes between OpenSSL 1.1.1i and OpenSSL 1.1.1j [16 Feb 2021]