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Incident: Partial disruption 2023-09-11 00:10 - 07:20 due to DDoS attack


Type

 Incident

Summary

 DDos attack on climatejustice.social

Impact

 Multiple downtimes of all services

Duration

 2023-09-11 00:10 - 07:20 (CEST)

Status

Investigating

Reporter(s)

 Monitoring, @damadmai, upstream provider

Responder(s)

 @b2c@wien.rocks

Internal reference

 n/a

Summary

Due to a DDos attack on the Mastodon instance climatejustice.global the fediverse.foundation services suffered a partial outage in the indicated period of time.


Symptoms

fediverse.foundation services responding slowly or becoming unavailable.

 

    Investigation

    Log analysis shows more than one million requests per minute on the public endpoints /public/local and /explore of climatejustice.social

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    Workaround

    Upstream provider took action and blackholed offending traffic.

     

    Resolution

    n/a

     

    Follow-up tasks

    • Report attacker IPs to upstream provider abuse contact(s)
    • Discussion with hoster and provider on how to handle such situations in the future
    • Upstream DDos protection systems

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