<refsect1><title>sources.list.d</title>
<para>The <filename>/etc/apt/sources.list.d</filename> directory provides
- a way to add sources.list entries in seperate files that end with
- <literal>.list</literal>. The format is the same as for the regular
- <filename>sources.list</filename> file. </para>
+ a way to add sources.list entries in separate files.
+ The format is the same as for the regular <filename>sources.list</filename> file.
+ File names need to end with
+ <filename>.list</filename> and may only contain letters (a-z and A-Z),
+ digits (0-9), underscore (_), hyphen (-) and period (.) characters.
+ Otherwise they will be silently ignored.</para>
</refsect1>
<refsect1><title>The deb and deb-src types</title>
<refsect1><title>URI specification</title>
- <para>The currently recognized URI types are cdrom, file, http, and ftp.
+ <para>The currently recognized URI types are cdrom, file, http, ftp, copy,
+ ssh, rsh.
<variablelist>
<varlistentry><term>file</term>
<listitem><para>
<varlistentry><term>rsh</term><term>ssh</term>
<listitem><para>
The rsh/ssh method invokes rsh/ssh to connect to a remote host
- as a given user and access the files. No password authentication is
- possible, prior arrangements with RSA keys or rhosts must have been made.
+ as a given user and access the files. It is a good idea to do prior
+ arrangements with RSA keys or rhosts.
Access to files on the remote uses standard <command>find</command> and
<command>dd</command>
commands to perform the file transfers from the remote.</para></listitem>