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From "Malinda Kaushalye Kapuruge (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AXIS2C-263) Replay detection needed
Date Tue, 12 Sep 2006 10:45:22 GMT
    [ http://issues.apache.org/jira/browse/AXIS2C-263?page=comments#action_12434111 ] 
            
Malinda Kaushalye Kapuruge commented on AXIS2C-263:
---------------------------------------------------

Sounds fine. :)
If I summarize the scenario.

- Generate message-ID by SHA-1(Serialized envelope of incoming message)
- Generate Timestamp on message arrival.
- Keep the message-ID + Timestamp  for a specific time period(default is 5 minutes).
- Remove records if expired.
- On message arrival check if there is already a similar message-ID in the database.(or in
memory hash table)

Suggestions:
1. At the beginning I'd like to keep message-ID + Timestamps in the hash table. One possibility
of doing this is to keep     the hash table as a property in conf context.
2. I do not like the idea of
    Rejecting any message without a message id
    Rejecting any message without a timestamp.
    Instead we should generate message-IDs and Timestamps on arrival (like you have mentioned
in alternatives)         always.
3. It should be posisble to configure (to enable/disable) this protection mechanism.
    This can be done in using an additional inflow security parameter.
Any comments?

PS: Also I'm wondering why this issue is reported as a bug ;-)


> Replay detection needed
> -----------------------
>
>                 Key: AXIS2C-263
>                 URL: http://issues.apache.org/jira/browse/AXIS2C-263
>             Project: Axis2-C
>          Issue Type: Bug
>          Components: rampart
>    Affects Versions: Current (Nightly)
>            Reporter: James Clark
>         Assigned To: Malinda Kaushalye Kapuruge
>            Priority: Critical
>
> You need to implement replay detection.  See section 13.2.1 of WS-Security 2004.

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