From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
To: dccp@vger.kernel.org
Subject: [PATCH 0/5][BUG-fix]: Sync-Flood Fixes
Date: Wed, 20 Jun 2007 09:55:17 +0000 [thread overview]
Message-ID: <200706201055.17078@strip-the-willow> (raw)
Arnaldo asked me to send these, they have been made independent of the patches in the
test tree (but will be made available for review).
Patch #1: Cosmetics, but required by other patches - shortens many occurrences of
very long variable names.
Patch #2: Reset/Sync-Flood Bug fix.
The bug has been known for a long while (I recently found an email from Ian
who mentioned it as early as December), a previous discussion with Eddie helped
to track down where the bug originates. Patch has detailed description of how
bug is triggered, and fixes the described symptom.
Patch #3: Renames parameter for clarity (was confusing).
Patch #4: Rate-Limit DCCP Syncs. This is recommended in RFC 4340 and from own experience
I found that rate-limiting alone can terminate oscillating Sync message exchanges,
i.e. it increases resilience against malfunction and attacks.
Patch #5: Second bug - in REQUEST state, a Reset is sent in response to Sync, not SyncAck.
reply other threads:[~2007-06-20 9:55 UTC|newest]
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