[ https://issues.apache.org/jira/browse/DIRSERVER-1260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emmanuel Lecharny updated DIRSERVER-1260:
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One idea would be to limit the incoming PDU size to a certain size. If it exceeds this size, then the connection is closed, and the PDU is discarded. This size will be configurable, and be a part of the server.xml file.

> Add a protection agains DoS attacks
> -----------------------------------
>
>                 Key: DIRSERVER-1260
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1260
>             Project: Directory ApacheDS
>          Issue Type: New Feature
>    Affects Versions: 1.5.4
>            Reporter: Emmanuel Lecharny
>             Fix For: 1.5.5
>
>
> A malicious user can send hand crafted PDUs which can break the server in OOM errors. Another kind of attack would be to send big images, leading to OOM too.
> We must implement some protection against such DoS attacks (which may not be malicious).

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