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authortmanevik <[email protected]>2015-03-19 14:00:43 +0100
committerIngela Anderton Andin <[email protected]>2015-04-22 16:18:38 +0200
commitac4107ceea994f028ae67b43dbe6676b9ccf2b3b (patch)
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Editorial updates
SSH application
Diffstat (limited to 'lib/ssh/doc/src/ssh_app.xml')
-rw-r--r--lib/ssh/doc/src/ssh_app.xml120
1 files changed, 70 insertions, 50 deletions
diff --git a/lib/ssh/doc/src/ssh_app.xml b/lib/ssh/doc/src/ssh_app.xml
index a1d2402790..498565057f 100644
--- a/lib/ssh/doc/src/ssh_app.xml
+++ b/lib/ssh/doc/src/ssh_app.xml
@@ -18,78 +18,98 @@
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
the License for the specific language governing rights and limitations
under the License.
-
</legalnotice>
<title>SSH</title>
+ <prepared></prepared>
+ <docno></docno>
+ <checked></checked>
+ <date></date>
+ <rev></rev>
<file>ssh_app.xml</file>
</header>
<app>SSH</app>
- <appsummary>The ssh application implements the SSH (Secure Shell) protocol and
- provides an SFTP (SSH File Transfer Protocol) client and server. </appsummary>
+ <appsummary>The ssh application implements the Secure Shell (SSH) protocol and
+ provides an SSH File Transfer Protocol (SFTP) client and server.</appsummary>
+ <description>
+ <p>The <c>ssh</c> application is an implementation of the SSH protocol in Erlang.
+ <c>ssh</c> offers API functions to write customized SSH clients and servers as well as
+ making the Erlang shell available over SSH. An SFTP client, <c>ssh_sftp</c>, and server,
+ <c>ssh_sftpd</c>, are also included.</p>
+ </description>
- <section>
+ <section>
<title>DEPENDENCIES</title>
- <p>The ssh application uses the Erlang applications public_key and
- crypto to handle public keys and encryption, hence these
- applications needs to be loaded for the ssh application to work. In
- an embedded environment that means they need to be started with
- application:start/[1,2] before the ssh application is started.
+ <p>The <c>ssh</c> application uses the applications <c>public_key</c> and
+ <c>crypto</c> to handle public keys and encryption. Hence, these
+ applications must be loaded for the <c>ssh</c> application to work. In
+ an embedded environment this means that they must be started with
+ <c>application:start/[1,2]</c> before the <c>ssh</c> application is started.
</p>
</section>
<section>
<title>CONFIGURATION</title>
- <p>The ssh application does not currently have an application
- specific configuration file as described in application(3),
- however it will by default use the following configuration files
- from openssh: known_hosts, authorized_keys, authorized_keys2,
- id_dsa and id_rsa, ssh_host_dsa_key and ssh_host_rsa_key. By
- default Erlang SSH will look for id_dsa, id_rsa, known_hosts
- and authorized_keys in ~/.ssh, and the host key files in /etc/ssh
- . These locations may be changed by the options user_dir and
- system_dir. Public key handling may also be customized by
- providing a callback module implementing the behaviors
- <seealso marker="ssh_client_key_api">ssh_client_key_api</seealso> and
- <seealso marker="ssh_server_key_api">ssh_server_key_api</seealso>.
- </p>
+ <p>The <c>ssh</c> application does not have an application-
+ specific configuration file, as described in application(3).
+ However, by default it use the following configuration files
+ from OpenSSH:</p>
+ <list type="bulleted">
+ <item><c>known_hosts</c></item>
+ <item><c>authorized_keys</c></item>
+ <item><c>authorized_keys2</c></item>
+ <item><c>id_dsa</c></item>
+ <item><c>id_rsa</c></item>
+ <item><c>ssh_host_dsa_key</c></item>
+ <item><c>ssh_host_rsa_key</c></item>
+ </list>
+ <p>By default, <c>ssh</c> looks for <c>id_dsa</c>, <c>id_rsa</c>,
+ <c>known_hosts</c>, and <c>authorized_keys</c> in ~/.ssh,
+ and for the host key files in <c>/etc/ssh</c>. These locations can be changed
+ by the options <c>user_dir</c> and <c>system_dir</c>.
+ </p>
+ <p>Public key handling can also be customized through a callback module that
+ implements the behaviors
+ <seealso marker="ssh_client_key_api">ssh_client_key_api</seealso> and
+ <seealso marker="ssh_server_key_api">ssh_server_key_api</seealso>.
+ </p>
- <section>
- <title>PUBLIC KEYS</title>
- <p>
- id_dsa and id_rsa are the users private key files, note that
- the public key is part of the private key so the ssh
- application will not use the id_&lt;*>.pub files. These are
- for the users convenience when he/she needs to convey their
+ </section>
+ <section>
+ <title>Public Keys</title>
+ <p><c>id_dsa</c> and <c>id_rsa</c> are the users private key files.
+ Notice that the public key is part of the private key so the <c>ssh</c>
+ application does not use the <c>id_&lt;*>.pub</c> files. These are
+ for the user's convenience when it is needed to convey the user's
public key.
</p>
- </section>
-
- <section>
- <title>KNOW HOSTS</title>
- <p>The known_hosts file contains a list of approved servers and
- their public keys. Once a server is listed, it can be verified
+ </section>
+ <section>
+ <title>Known Hosts</title>
+ <p>The <c>known_hosts</c> file contains a list of approved servers and
+ their public keys. Once a server is listed, it can be verified
without user interaction.
</p>
- </section>
-
- <section>
- <title>AUTHORIZED KEYS</title>
- <p>The authorized key file keeps track of the user's authorized
+ </section>
+ <section>
+ <title>Authorized Keys</title>
+ <p>The <c>authorized_key</c> file keeps track of the user's authorized
public keys. The most common use of this file is to let users
- log in without entering their password which is supported by the
- Erlang SSH daemon.
+ log in without entering their password, which is supported by the
+ Erlang <c>ssh</c> daemon.
</p>
- </section>
-
- <section>
- <title>HOST KEYS</title>
- <p>Currently rsa and dsa host keys are supported and are
- expected to be found in files named ssh_host_rsa_key and
- ssh_host_dsa_key.
+ </section>
+ <section>
+ <title>Host Keys</title>
+ <p>RSA and DSA host keys are supported and are
+ expected to be found in files named <c>ssh_host_rsa_key</c> and
+ <c>ssh_host_dsa_key</c>.
</p>
- </section>
+ </section>
+ <section>
+ <title>ERROR LOGGER AND EVENT HANDLERS</title>
+ <p>The <c>ssh</c> application has no error logger or event handlers.</p>
</section>
<section>