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ELB_UMN_0809

Reviewed-by: Hajba, László Antal <laszlo-antal.hajba@t-systems.com>
Co-authored-by: zhoumeng <zhoumeng35@huawei.com>
Co-committed-by: zhoumeng <zhoumeng35@huawei.com>
This commit is contained in:
zhoumeng 2024-09-02 12:12:50 +00:00 committed by zuul
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6 changed files with 190 additions and 184 deletions

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<div class="section" id="elb_pro_0002__en-us_topic_0184026189_section193971112578"><h4 class="sectiontitle">Selecting an AZ</h4><p id="elb_pro_0002__en-us_topic_0184026189_p859161416717">When deploying resources, consider your applications' requirements on disaster recovery (DR) and network latency.</p>
<ul id="elb_pro_0002__en-us_topic_0184026189_ul157203571473"><li id="elb_pro_0002__en-us_topic_0184026189_li7720175710711">For high DR capability, deploy resources in different AZs within the same region.</li><li id="elb_pro_0002__en-us_topic_0184026189_li109763595719">For lower network latency, deploy resources in the same AZ.</li></ul>
</div>
<div class="section" id="elb_pro_0002__en-us_topic_0184026189_section1110135820407"><h4 class="sectiontitle">Regions and Endpoints</h4><p id="elb_pro_0002__en-us_topic_0184026189_p361784821111">Before you use an API to call resources, specify its region and endpoint. For more details, see <a href="https://docs.otc.t-systems.com/additional/endpoints.html" target="_blank" rel="noopener noreferrer">Regions and Endpoints</a>.</p>
<div class="section" id="elb_pro_0002__en-us_topic_0184026189_section1110135820407"><h4 class="sectiontitle">Regions and Endpoints</h4><p id="elb_pro_0002__en-us_topic_0184026189_p361784821111">Before you use an API to call resources, specify its region and endpoint. For more details, see <a href="https://docs.otc.t-systems.com/regions-and-endpoints/index.html" target="_blank" rel="noopener noreferrer">Regions and Endpoints</a>.</p>
</div>
</div>
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<div class="section" id="elb_pro_0019__section19169172561715"><h4 class="sectiontitle">Load Balancer</h4><ul id="elb_pro_0019__ul8736123818018"><li id="elb_pro_0019__li27365381409">Before creating a load balancer, you must plan its region, type, protocol, and backend servers. For details, see <a href="elb_ug_fz_0004.html">Preparations for Creating a Load Balancer</a>.</li><li id="elb_pro_0019__li8736538502">The size of files that a load balancer can forward:<ul id="elb_pro_0019__ul4784840604"><li id="elb_pro_0019__li77361338607">Layer 4 listeners: any</li><li id="elb_pro_0019__li18901959801">Layer 7 listeners: 10 GB or smaller</li></ul>
</li></ul>
</div>
<div class="section" id="elb_pro_0019__section12750172124616"><h4 class="sectiontitle">Listener</h4><ul id="elb_pro_0019__ul1581116208321"><li id="elb_pro_0019__li6811142093217">The listener of a dedicated load balancer can be associated with a maximum of 50 backend server groups.</li><li id="elb_pro_0019__li253518375510">An HTTPS listener can have up to 30 SNI certificates.</li><li id="elb_pro_0019__li934684134210">Once set, the frontend protocol and port of the listener cannot be modified.</li></ul>
<div class="section" id="elb_pro_0019__section12750172124616"><h4 class="sectiontitle">Listener</h4><ul id="elb_pro_0019__ul1581116208321"><li id="elb_pro_0019__li6811142093217">The listener of a dedicated load balancer can be associated with a maximum of 50 backend server groups.</li><li id="elb_pro_0019__li1848634754612">An SNI certificate can have up to 100 domain names separated by commas (,).</li><li id="elb_pro_0019__li14181646205712">SNI certificates of a dedicated load balancer's listener can have up to 200 domain names.</li><li id="elb_pro_0019__li18617193911113">SNI certificates of a shared load balancer's listener can have up to 30 domain names.</li><li id="elb_pro_0019__li253518375510">An HTTPS listener can have up to 30 SNI certificates.</li><li id="elb_pro_0019__li934684134210">Once set, the frontend protocol and port of the listener cannot be modified.</li></ul>
</div>
<div class="section" id="elb_pro_0019__section181541414713"><h4 class="sectiontitle">Forwarding Policy</h4><ul id="elb_pro_0019__ul164116261716"><li id="elb_pro_0019__li126411226877">Forwarding policies can be configured only for HTTP and HTTPS listeners.</li><li id="elb_pro_0019__li1164192612716">Forwarding policies must be unique.</li><li id="elb_pro_0019__li1064113261179">A maximum of 100 forwarding policies can be configured for a listener. If the number of forwarding policies exceeds the quota, the excess forwarding policies will not be applied.</li><li id="elb_pro_0019__li56418263713">Forwarding conditions:<ul id="elb_pro_0019__ul157286284710"><li id="elb_pro_0019__li66415262073">If the advanced forwarding policy is not enabled, each forwarding rule has only one forwarding condition.</li><li id="elb_pro_0019__li17995851387">If the advanced forwarding policy is enabled, each forwarding rule has up to 10 forwarding conditions.</li></ul>
</li></ul>

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</th>
</tr>
</thead>
<tbody><tr id="elb_ug_jl_0000__row1097015179207"><td class="cellrowborder" valign="top" width="28.599999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="elb_ug_jl_0000__p397051720209">2024-07-22</p>
<tbody><tr id="elb_ug_jl_0000__row2043045945217"><td class="cellrowborder" valign="top" width="28.599999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="elb_ug_jl_0000__p184301259185213">2024-08-30</p>
</td>
<td class="cellrowborder" valign="top" width="71.39999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="elb_ug_jl_0000__p318914125417">Modified the following sections:</p>
<ul id="elb_ug_jl_0000__ul197241048491"><li id="elb_ug_jl_0000__li1848634754612">An SNI certificate can have up to 100 domain names.</li><li id="elb_ug_jl_0000__li14181646205712">SNI certificates of a dedicated load balancer's listener can have up to 200 domain names.</li><li id="elb_ug_jl_0000__li18617193911113">SNI certificates of a shared load balancer's listener can have up to 30 domain names.</li></ul>
</td>
</tr>
<tr id="elb_ug_jl_0000__row1097015179207"><td class="cellrowborder" valign="top" width="28.599999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="elb_ug_jl_0000__p397051720209">2024-07-22</p>
</td>
<td class="cellrowborder" valign="top" width="71.39999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="elb_ug_jl_0000__p897011742013">Modified the following content:</p>
<p id="elb_ug_jl_0000__p0468134172013">Added <a href="en-us_topic_0150301848.html">Access Logging</a>.</p>

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@ -33,7 +33,7 @@ Content of the private key <strong id="elb_ug_zs_0004__b117401416174416">private
</div>
</li><li id="elb_ug_zs_0004__li75278206222"><strong id="elb_ug_zs_0004__b97467314118">Domain Name</strong><ul id="elb_ug_zs_0004__ul179401654121012"><li id="elb_ug_zs_0004__li18940185415106">If the created certificate will be used for SNI, you can specify a domain name for each certificate, and the domain name must be the same as that in the certificate.<div class="note" id="elb_ug_zs_0004__note8550186202818"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="elb_ug_zs_0004__ul1555012642816"><li id="elb_ug_zs_0004__li25501769288">A domain name can contain only letters, digits, and hyphens (-) and cannot start or end with a hyphen (-).</li><li id="elb_ug_zs_0004__li135502066281">A domain name consists of more than one label separated by periods. Each label can contain a maximum of 63 characters, and a domain name can contain a maximum of 100 characters.</li></ul>
</div></div>
</li><li id="elb_ug_zs_0004__li920254112113">You can also specify multiple domain names for each certificate if the certificate will be used for SNI. The domain names must be the same as those in the certificate.<div class="note" id="elb_ug_zs_0004__note11201417122013"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="elb_ug_zs_0004__ul10701132932012"><li id="elb_ug_zs_0004__li16946185117272">You can specify up to 30 domain names for each certificate and separate the domain names using commas.</li><li id="elb_ug_zs_0004__li10770429112318">A domain name can contain only letters, digits, and hyphens (-) and cannot start or end with a hyphen (-).</li><li id="elb_ug_zs_0004__li1387823272318">A domain name consists of more than one label separated by periods. Each label can contain a maximum of 63 characters.</li><li id="elb_ug_zs_0004__li1970192917200">A domain name can contain a maximum of 100 characters, and the total length of domain names cannot exceed 1024 characters.</li></ul>
</li><li id="elb_ug_zs_0004__li920254112113">You can also specify multiple domain names for each certificate if the certificate will be used for SNI. The domain names must be the same as those in the certificate.<div class="note" id="elb_ug_zs_0004__note11201417122013"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="elb_ug_zs_0004__ul10701132932012"><li id="elb_ug_zs_0004__li1848634754612">An SNI certificate can have up to 100 domain names separated by commas (,).</li><li id="elb_ug_zs_0004__li14181646205712">SNI certificates of a dedicated load balancer's listener can have up to 200 domain names.</li><li id="elb_ug_zs_0004__li18617193911113">SNI certificates of a shared load balancer's listener can have up to 30 domain names.</li><li id="elb_ug_zs_0004__li10770429112318">A domain name can contain only letters, digits, and hyphens (-) and cannot start or end with a hyphen (-).</li><li id="elb_ug_zs_0004__li1387823272318">A domain name consists of more than one label separated by periods. Each label can contain a maximum of 63 characters.</li><li id="elb_ug_zs_0004__li1970192917200">A domain name can contain a maximum of 100 characters, and the total length of domain names cannot exceed 10,000 characters.</li></ul>
</div></div>
</li></ul>
</li><li id="elb_ug_zs_0004__li980253811124"><strong id="elb_ug_zs_0004__b447113212107">Description</strong></li></ul>
@ -42,7 +42,7 @@ Content of the private key <strong id="elb_ug_zs_0004__b117401416174416">private
<div class="section" id="elb_ug_zs_0004__section45960980171830"><h4 class="sectiontitle">Modifying a Certificate</h4><ol id="elb_ug_zs_0004__ol31851919171830"><li id="elb_ug_zs_0004__li7826457175617">Log in to the management console.</li><li id="elb_ug_zs_0004__li7826185725618">In the upper left corner of the page, click <span><img id="elb_ug_zs_0004__image11255134194313" src="en-us_image_0000001747739624.png"></span> and select the desired region and project.</li><li id="elb_ug_zs_0004__li480743552416">Click <span><img id="elb_ug_zs_0004__image910111439432" src="en-us_image_0000001794660485.png"></span> in the upper left corner to display <strong id="elb_ug_zs_0004__b81011143144311">Service List</strong> and choose <strong id="elb_ug_zs_0004__b13103134311439">Network</strong> &gt; <strong id="elb_ug_zs_0004__b1010417431434">Elastic Load Balancing</strong>.</li><li id="elb_ug_zs_0004__li1716513249584">In the navigation pane on the left, choose <strong id="elb_ug_zs_0004__b187327605312">Certificates</strong>.</li><li id="elb_ug_zs_0004__li49270786171830">Locate the certificate and click <strong id="elb_ug_zs_0004__b8423527061133">Modify</strong> in the <strong id="elb_ug_zs_0004__b1861579079115129">Operation</strong> column.</li><li id="elb_ug_zs_0004__li40783896171830">Modify the parameters as required.</li><li id="elb_ug_zs_0004__li1834242245012">Click <strong id="elb_ug_zs_0004__b84235270611323">OK</strong>.</li></ol>
</div>
<div class="section" id="elb_ug_zs_0004__section8343547171830"><a name="elb_ug_zs_0004__section8343547171830"></a><a name="section8343547171830"></a><h4 class="sectiontitle">Deleting a Certificate</h4><p id="elb_ug_zs_0004__p4738740171830">Only certificates that are not in use can be deleted.</p>
<ol id="elb_ug_zs_0004__ol48293665171830"><li id="elb_ug_zs_0004__li1657144518568">Log in to the management console.</li><li id="elb_ug_zs_0004__li45711945115615">In the upper left corner of the page, click <span><img id="elb_ug_zs_0004__image1496446144318" src="en-us_image_0000001747739624.png"></span> and select the desired region and project.</li><li id="elb_ug_zs_0004__li17301740102218">Click <span><img id="elb_ug_zs_0004__image61201848134313" src="en-us_image_0000001794660485.png"></span> in the upper left corner to display <strong id="elb_ug_zs_0004__b1612110489431">Service List</strong> and choose <strong id="elb_ug_zs_0004__b1312254812435">Network</strong> &gt; <strong id="elb_ug_zs_0004__b18124848124318">Elastic Load Balancing</strong>.</li><li id="elb_ug_zs_0004__li14137175717226">In the navigation pane on the left, choose <strong id="elb_ug_zs_0004__b23131346205215">Certificates</strong>.</li><li id="elb_ug_zs_0004__li25422554171830">Locate the certificate and click <strong id="elb_ug_zs_0004__b1176627377">Delete</strong> in the <strong id="elb_ug_zs_0004__b84235270611517">Operation</strong> column.</li><li id="elb_ug_zs_0004__li11740245012">Click <strong id="elb_ug_zs_0004__b279532921">Yes</strong>.</li></ol>
<ol id="elb_ug_zs_0004__ol48293665171830"><li id="elb_ug_zs_0004__li1657144518568">Log in to the management console.</li><li id="elb_ug_zs_0004__li45711945115615">In the upper left corner of the page, click <span><img id="elb_ug_zs_0004__image1496446144318" src="en-us_image_0000001747739624.png"></span> and select the desired region and project.</li><li id="elb_ug_zs_0004__li17301740102218">Click <span><img id="elb_ug_zs_0004__image61201848134313" src="en-us_image_0000001794660485.png"></span> in the upper left corner to display <strong id="elb_ug_zs_0004__b1612110489431">Service List</strong> and choose <strong id="elb_ug_zs_0004__b1312254812435">Network</strong> &gt; <strong id="elb_ug_zs_0004__b18124848124318">Elastic Load Balancing</strong>.</li><li id="elb_ug_zs_0004__li14137175717226">In the navigation pane on the left, choose <strong id="elb_ug_zs_0004__b23131346205215">Certificates</strong>.</li><li id="elb_ug_zs_0004__li25422554171830">Locate the certificate and click <strong id="elb_ug_zs_0004__b339099253">Delete</strong> in the <strong id="elb_ug_zs_0004__b84235270611517">Operation</strong> column.</li><li id="elb_ug_zs_0004__li11740245012">Click <strong id="elb_ug_zs_0004__b2085982482">Yes</strong>.</li></ol>
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<h1 class="topictitle1">Creating a Custom Policy</h1>
<div id="body1558599874016"><p id="en-us_topic_0162009773__p188731016112412">Custom policies can be created as a supplement to the system policies of ELB. For the actions supported for custom policies, see "Permissions Policies and Supported Actions" in the Elastic Load Balance API Reference.</p>
<p id="en-us_topic_0162009773__p2096715716469">You can create custom policies in either of the following ways:</p>
<ul id="en-us_topic_0162009773__ul169673794612"><li id="en-us_topic_0162009773__en-us_topic_0171307069_li5764181518386">Visual editor: Select cloud services, actions, resources, and request conditions. This does not require knowledge of policy syntax.</li><li id="en-us_topic_0162009773__en-us_topic_0171307069_li546410135389">JSON: Edit JSON policies from scratch or based on an existing policy.</li></ul>
<p id="en-us_topic_0162009773__p12901118132914">For details, see <a href="https://docs.otc.t-systems.com/identity-access-management/umn/user_guide/fine-grained_policy_management/creating_a_custom_policy.html" target="_blank" rel="noopener noreferrer">Creating a Custom Policy</a>. The following section contains examples of common ELB custom policies.</p>
<ul id="en-us_topic_0162009773__ul169673794612"><li id="en-us_topic_0162009773__en-us_topic_0171307069_li5764181518386">Visual editor: Select cloud services, actions, resources, and request conditions. This does not require knowledge of policy syntax.</li><li id="en-us_topic_0162009773__en-us_topic_0171307069_li546410135389">JSON: Create a JSON policy or edit an existing one.</li></ul>
<p id="en-us_topic_0162009773__p12901118132914">For details, see <a href="https://docs.otc.t-systems.com/identity-access-management/umn/user_guide/permissions/creating_a_custom_policy.html" target="_blank" rel="noopener noreferrer">Creating a Custom Policy</a>. The following page describes how to create a custom policy on the console using the IAM service.</p>
<div class="section" id="en-us_topic_0162009773__section3496952134619"><h4 class="sectiontitle">Example Custom Policies</h4><ul id="en-us_topic_0162009773__ul330092084719"><li id="en-us_topic_0162009773__li157994810234">Example 1: Allowing users to update a load balancer<pre class="screen" id="en-us_topic_0162009773__screen13635532133816">{
"Version": "1.1",
"Statement": [