Background
After you accelerate a domain name with CDN, you can block malicious IP addresses in the CDN console to protect your site and manage traffic load.
Procedure
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Log on to the CDN console.
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In the left navigation pane, click Domain Names.
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On the Domain Names page, find the target domain name and click Manage in the Actions column.
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In the domain's navigation pane, click Access Control.
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Click the IP Blocklist/Allowlist tab.
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On the IP Blocklist/Allowlist tab, click Modify.
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On the Rules tab, set Type to Blocklist, enter the IP addresses to block in the text box, and click OK.