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Reports On Downtime
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Downtime report for 06 May 06 (Network issue)
- 06 May 06 2229hrs : Network congestion starts
- 06 May 06 2245hrs : Problem narrowed down to VPS being attacked.
- 06 May 06 2320hrs : Shutdown all VPS
- 06 May 06 2328hrs : Network up
- 06 May 06 2350hrs : VPS up
Problem: a VPS (Virtual private server) was attacked. All available bandwidth used up;
which caused congestion. All servers within our rack at 1-Net affected.
What was done: Shutdown VPS; restarted VPS when network recovers; installed monitoring
script within the VPS to check for rogue processes. kill the rogue processes when
found.
Short term measure implemented: Stricter bandwidth limiting on all ports; and linux
shaping used on VPS.
Long term solution: Packet shaper purchased on 8 May 06. Will update when packet shaping
is fully implemented.
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