mirror of
https://github.com/sigmasternchen/php-doc-en
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86e6094e86
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@351133 c90b9560-bf6c-de11-be94-00142212c4b1
336 lines
9.3 KiB
XML
336 lines
9.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="context.ssl" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" role="noversion">
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<refnamediv>
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<refname>SSL context options</refname>
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<refpurpose>SSL context option listing</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<para>
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Context options for <literal>ssl://</literal> and <literal>tls://</literal>
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transports.
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</para>
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</refsect1>
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<refsect1 role="options"><!-- {{{ -->
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&reftitle.options;
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<para>
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<variablelist>
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<varlistentry xml:id="context.ssl.peer-name">
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<term>
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<parameter>peer_name</parameter>
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<type>string</type>
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</term>
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<listitem>
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<para>
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Peer name to be used. If this value is not set, then the name is guessed
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based on the hostname used when opening the stream.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.verify-peer">
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<term>
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<parameter>verify_peer</parameter>
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<type>bool</type>
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</term>
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<listitem>
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<para>
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Require verification of SSL certificate used.
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</para>
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<para>
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Defaults to &true;.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.verify-peer-name">
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<term>
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<parameter>verify_peer_name</parameter>
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<type>bool</type>
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</term>
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<listitem>
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<para>
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Require verification of peer name.
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</para>
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<para>
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Defaults to &true;.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.allow-self-signed">
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<term>
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<parameter>allow_self_signed</parameter>
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<type>bool</type>
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</term>
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<listitem>
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<para>
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Allow self-signed certificates. Requires
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<link linkend="context.ssl.verify-peer"><parameter>verify_peer</parameter></link>.
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</para>
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<para>
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Defaults to &false;
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.cafile">
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<term>
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<parameter>cafile</parameter>
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<type>string</type>
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</term>
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<listitem>
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<para>
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Location of Certificate Authority file on local filesystem
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which should be used with the <literal>verify_peer</literal>
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context option to authenticate the identity of the remote peer.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.capath">
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<term>
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<parameter>capath</parameter>
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<type>string</type>
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</term>
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<listitem>
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<para>
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If <literal>cafile</literal> is not specified or if the certificate
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is not found there, the directory pointed to by <literal>capath</literal>
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is searched for a suitable certificate. <literal>capath</literal>
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must be a correctly hashed certificate directory.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.local-cert">
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<term>
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<parameter>local_cert</parameter>
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<type>string</type>
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</term>
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<listitem>
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<para>
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Path to local certificate file on filesystem. It must be a PEM
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encoded file which contains your certificate and private key.
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It can optionally contain the certificate chain of issuers.
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The private key also may be contained in a separate file specified
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by <literal>local_pk</literal>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.local-pk">
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<term>
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<parameter>local_pk</parameter>
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<type>string</type>
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</term>
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<listitem>
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<para>
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Path to local private key file on filesystem in case of separate
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files for certificate (<literal>local_cert</literal>) and private key.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.passphrase">
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<term>
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<parameter>passphrase</parameter>
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<type>string</type>
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</term>
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<listitem>
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<para>
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Passphrase with which your <literal>local_cert</literal> file
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was encoded.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.verify-depth">
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<term>
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<parameter>verify_depth</parameter>
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<type>int</type>
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</term>
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<listitem>
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<para>
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Abort if the certificate chain is too deep.
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</para>
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<para>
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Defaults to no verification.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.ciphers">
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<term>
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<parameter>ciphers</parameter>
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<type>string</type>
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</term>
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<listitem>
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<para>
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Sets the list of available ciphers. The format of the string is described
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in <link xlink:href="&url.openssl.ciphers;">ciphers(1)</link>.
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</para>
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<para>
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Defaults to <literal>DEFAULT</literal>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.capture-peer-cert">
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<term>
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<parameter>capture_peer_cert</parameter>
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<type>bool</type>
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</term>
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<listitem>
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<para>
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If set to &true; a <literal>peer_certificate</literal> context option
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will be created containing the peer certificate.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.capture-peer-cert-chain">
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<term>
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<parameter>capture_peer_cert_chain</parameter>
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<type>bool</type>
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</term>
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<listitem>
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<para>
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If set to &true; a <literal>peer_certificate_chain</literal> context
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option will be created containing the certificate chain.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.sni-enabled">
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<term>
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<parameter>SNI_enabled</parameter>
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<type>bool</type>
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</term>
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<listitem>
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<para>
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If set to &true; server name indication will be enabled. Enabling SNI
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allows multiple certificates on the same IP address.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.disable-compression">
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<term>
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<parameter>disable_compression</parameter>
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<type>bool</type>
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</term>
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<listitem>
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<para>
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If set, disable TLS compression. This can help mitigate the CRIME attack
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vector.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.peer-fingerprint">
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<term>
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<parameter>peer_fingerprint</parameter>
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<type>string</type> | <type>array</type>
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</term>
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<listitem>
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<para>
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Aborts when the remote certificate digest doesn't match the specified
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hash.
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</para>
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<para>
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When a <type>string</type> is used, the length will determine which hashing algorithm
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is applied, either "md5" (32) or "sha1" (40).
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</para>
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<para>
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When an <type>array</type> is used, the keys indicate the hashing algorithm name
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and each corresponding value is the expected digest.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="context.ssl.security-level">
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<term>
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<parameter>security_level</parameter>
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<type>int</type>
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</term>
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<listitem>
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<para>
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Sets the security level. If not specified the library default security level is used.
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The security levels are described in
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<link xlink:href="&url.openssl.security-level;">SSL_CTX_get_security_level(3)</link>.
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</para>
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<para>
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Available as of PHP 7.2.0 and OpenSSL 1.1.0.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1><!-- }}} -->
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<refsect1 role="changelog"><!-- {{{ -->
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&reftitle.changelog;
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<para>
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>7.2.0</entry>
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<entry>
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Added <parameter>security_levels</parameter>. Requires OpenSSL >= 1.1.0.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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</refsect1><!-- }}} -->
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<refsect1 role="notes">
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&reftitle.notes;
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<note>
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<simpara>
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Because <literal>ssl://</literal> is the underlying transport for the
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<link linkend="wrappers.http"><literal>https://</literal></link> and
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<link linkend="wrappers.ftp"><literal>ftps://</literal></link> wrappers,
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any context options which apply to <literal>ssl://</literal> also apply to
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<literal>https://</literal> and <literal>ftps://</literal>.
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</simpara>
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</note>
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<note>
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<simpara>
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For SNI (Server Name Indication) to be available, then PHP must be compiled
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with OpenSSL 0.9.8j or greater. Use the
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<constant>OPENSSL_TLSEXT_SERVER_NAME</constant> to determine whether SNI is
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supported.
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</simpara>
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</note>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><xref linkend="context.socket" /></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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