AccessDenied error 0061-00000001 caused by malicious request detection - Object Storage Service

Problem description

OSS blocked the request because its security system identified it as malicious. The error returns HTTP status code 403 or a block page.

Causes

The request was flagged by the OSS security system — either the request itself was identified as malicious, or the target bucket is under attack.

Examples

When a request is blocked by the OSS security system, the error response contains EC: 0061-00000001 and a Message of Cannot visit oss, forbidden by security system.:

<?xml version="1.0" encoding="UTF-8"?>
<Error>
    <Code>AccessDenied</Code>
    <Message>Cannot visit oss, forbidden by security system.</Message>
    <RequestId>63********70</RequestId>
    <HostId>***.oss-cn-chengdu.aliyuncs.com</HostId>
    <EC>0061-00000001</EC>
</Error>

Solutions

If the blocked request is legitimate, contact technical support.