investigation

What we saw

Anonymous
Sunday, February 19, 2012 - 17:57
security
CSIRT
DDOS
denial of service
investigation
technical guide
We left the monitor in place for two days, until our log fi le began to grow rapidly indicating a new attack in progress. The following entries are typical of what was observed: [**] IDS253 - DDoS shaft synflood outgoing [**] 06/12-14:30:46.599036 8:0:20:1B:22:A9 -> 0:D0:D3:56:D1:30 type:0x800 len:0x3C 98.76.54.111:1008 -> 12.34.56.78:6666 TCP TTL:30 TOS:0x0 ID:59926 DF
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Investigating a Denial of Service attack

Anonymous
Friday, February 17, 2012 - 15:29
DDOS
denial of service
investigation
security
technical guide
GD/NOTE/001 (01/01) This paper has been contributed by a Janet customer site, and records their experiences in investigating a denial-of-service attack committed using hosts at their site. We are very grateful to them for allowing us to publish this information and hope that it will be useful to others.
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