DOS attack!

Anyone know how to prevent this person from messing with my server? This guy is costing me some big bucks!


Here's a sample of my TCPDUMP:


16:23:55.726282 lynn.keyfile.com > 64.242.34.140: (frag 2294:1480@59200+)
16:23:55.734314 lynn.keyfile.com > 64.242.34.140: (frag 2294:1480@60680+)
16:23:55.742230 lynn.keyfile.com > 64.242.34.140: (frag 2294:1480@62160+)
16:23:55.749748 lynn.keyfile.com > 64.242.34.140: (frag 2294:1480@63640+)
16:23:55.909489 lynn.keyfile.com > 64.242.34.140: icmp: echo request (frag 2296:1480@0+)
16:23:55.917643 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@1480+)
16:23:55.925550 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@2960+)
16:23:55.933424 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@4440+)
16:23:55.941561 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@5920+)
16:23:55.949426 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@7400+)
16:23:55.957459 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@8880+)
16:23:55.965320 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@10360+)
16:23:55.973185 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@11840+)
16:23:55.981744 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@13320+)
16:23:55.989076 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@14800+)
16:23:55.996940 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@16280+)
16:23:56.004804 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@17760+)
16:23:56.012711 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@19240+)
16:23:56.021191 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@20720+)
16:23:56.028929 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@22200+)
16:23:56.036591 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@23680+)
16:23:56.044295 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@25160+)
16:23:56.052157 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@26640+)
16:23:56.060071 lynn.keyfile.com > 64.242.34.140: (frag 2296:1480@28120+)

 

 

 

 

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