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: Sync/Reset Floods; Rate-Limiting for DCCP-Sync

Gerrit Renker dccp 1 version In review

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  1. v1 Latest5 patches 6 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
2/5: Fix Reset/Sync-Flood Bugnet/dccp/input.c+11 -30 replies
3/5: Parameter renamingnet/dccp/output.c+6 -40 replies
4/5: Rate-limit DCCP-SyncsDocumentation/networking/dccp.txt include/linux/dccp.h net/dccp/dccp.h +2 more+32 -46 replies
4/5: Rate-limit DCCP-SyncsDocumentation/networking/dccp.txt include/linux/dccp.h net/dccp/dccp.h +2 more+32 -40 replies
5/5: Send Reset upon Sync in state REQUESTnet/dccp/input.c+4 -50 replies

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Cover letter [PATCH 0/5]: Sync/Reset Floods; Rate-Limiting for DCCP-Sync

This patch set fixes two bugs and adds rate-limiting for DCCP-Syncs.

Patch #1: Uses variables instead of a reference to skb fields;
it is needed by patch #2 (no code change here).

Patch #2: Fixes the Sync/Reset flood bug discussed earlier on
dccp@vger, by adding the special case for sequence-invalid Reset from RFC 4340, 7.5.4.

Patch #3: Renames seq' parameter of dccp_send_sync into ackno'.

Patch #4: Implements rate-limiting for DCCP-Syncs.

Patch #5: Adds another exception required by RFC 4340, 7.5.4 -
In state REQUEST, receiving a Sync generates a Reset and not a SyncAck.