Index: general/sysutils/pm-utils.xml
===================================================================
--- general/sysutils/pm-utils.xml	(revision 511f7c8f1e09c53d3dba150a8bf591ef499cbdc3)
+++ general/sysutils/pm-utils.xml	(revision c6b192c037001878e21111781429cbf8b97c1e7d)
@@ -87,5 +87,5 @@
         ethtool</ulink>, and
       <ulink role="runtime"
-             url="http://ftp.de.debian.org/debian/pool/main/v/vbetool/">
+             url="https://ftp.debian.org/debian/pool/main/v/vbetool/">
         vbetool</ulink>
     </para>
Index: general/sysutils/raptor.xml
===================================================================
--- general/sysutils/raptor.xml	(revision 511f7c8f1e09c53d3dba150a8bf591ef499cbdc3)
+++ general/sysutils/raptor.xml	(revision c6b192c037001878e21111781429cbf8b97c1e7d)
@@ -5,5 +5,5 @@
   %general-entities;
 
-  <!ENTITY raptor-download-http "http://download.librdf.org/source/raptor2-&raptor-version;.tar.gz">
+  <!ENTITY raptor-download-http "https://download.librdf.org/source/raptor2-&raptor-version;.tar.gz">
   <!ENTITY raptor-download-ftp  " ">
   <!ENTITY raptor-md5sum        "a39f6c07ddb20d7dd2ff1f95fa21e2cd">
Index: general/sysutils/rasqal.xml
===================================================================
--- general/sysutils/rasqal.xml	(revision 511f7c8f1e09c53d3dba150a8bf591ef499cbdc3)
+++ general/sysutils/rasqal.xml	(revision c6b192c037001878e21111781429cbf8b97c1e7d)
@@ -5,5 +5,5 @@
   %general-entities;
 
-  <!ENTITY rasqal-download-http "http://download.librdf.org/source/rasqal-&rasqal-version;.tar.gz">
+  <!ENTITY rasqal-download-http "https://download.librdf.org/source/rasqal-&rasqal-version;.tar.gz">
   <!ENTITY rasqal-download-ftp  " ">
   <!ENTITY rasqal-md5sum        "1f5def51ca0026cd192958ef07228b52">
Index: general/sysutils/redland.xml
===================================================================
--- general/sysutils/redland.xml	(revision 511f7c8f1e09c53d3dba150a8bf591ef499cbdc3)
+++ general/sysutils/redland.xml	(revision c6b192c037001878e21111781429cbf8b97c1e7d)
@@ -5,5 +5,5 @@
   %general-entities;
 
-  <!ENTITY redland-download-http "http://download.librdf.org/source/redland-&redland-version;.tar.gz">
+  <!ENTITY redland-download-http "https://download.librdf.org/source/redland-&redland-version;.tar.gz">
   <!ENTITY redland-download-ftp  " ">
   <!ENTITY redland-md5sum        "e5be03eda13ef68aabab6e42aa67715e">
@@ -86,5 +86,5 @@
       <xref linkend="postgresql"/>,
       <ulink url="&sourceforge-dl;/virtuoso/">virtuoso</ulink>, and
-      <ulink url="http://sourceforge.net/projects/threestore/">3store</ulink>
+      <ulink url="https://sourceforge.net/projects/threestore/">3store</ulink>
     </para>
 
Index: general/sysutils/systemd.xml
===================================================================
--- general/sysutils/systemd.xml	(revision 511f7c8f1e09c53d3dba150a8bf591ef499cbdc3)
+++ general/sysutils/systemd.xml	(revision c6b192c037001878e21111781429cbf8b97c1e7d)
@@ -120,5 +120,5 @@
       <xref linkend="valgrind"/>,
       <xref linkend="zsh"/> (for the zsh completions),
-      <ulink url="http://sourceforge.net/projects/gnu-efi/">gnu-efi</ulink>,
+      <ulink url="https://sourceforge.net/projects/gnu-efi/">gnu-efi</ulink>,
       <ulink url="https://www.kernel.org/pub/linux/utils/kernel/kexec/">kexec-tools</ulink>,
       <ulink url="https://developers.yubico.com/libfido2/">libfido2</ulink>,
@@ -126,5 +126,5 @@
       <ulink url="http://lz4.github.io/lz4/">lz4</ulink>,
       <!--<ulink url="http://fukuchi.org/works/qrencode/">qrencode</ulink>,-->
-      <ulink url="http://sourceforge.net/projects/linuxquota/">quota-tools</ulink> and
+      <ulink url="https://sourceforge.net/projects/linuxquota/">quota-tools</ulink> and
       <ulink url="https://pypi.python.org/pypi/Sphinx">Sphinx</ulink>
     </para>
Index: general/sysutils/unrar.xml
===================================================================
--- general/sysutils/unrar.xml	(revision 511f7c8f1e09c53d3dba150a8bf591ef499cbdc3)
+++ general/sysutils/unrar.xml	(revision c6b192c037001878e21111781429cbf8b97c1e7d)
@@ -5,5 +5,5 @@
   %general-entities;
 
-  <!ENTITY unrar-download-http "http://www.rarlab.com/rar/unrarsrc-&unrar-version;.tar.gz">
+  <!ENTITY unrar-download-http "https://www.rarlab.com/rar/unrarsrc-&unrar-version;.tar.gz">
   <!ENTITY unrar-download-ftp  " ">
   <!ENTITY unrar-md5sum        "1fcb1a1ec7ea127c3823e5dcae7ca1d6">
