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10.09.2008 at 06:52AM PDT, ID: 23800814
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9.0

TCP Sweep problem

Asked by martmac in Web Servers, Networking Security Vulnerabilities, Network Security

I have a virtual private server and have had th servic suspended a a result of "illegal activity" that I know nothing of. The report to me from the service provider included the report below.

22:31:51  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=331,dp=110,min=212.1.184.1,max=212.1.184.254,Oct07-22:31:50,Oct07-22:31:51) (USI-amsxaid01)
22:31:53  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=381,dp=110,min=212.1.184.1,max=212.1.185.254,Oct07-22:31:51,Oct07-22:31:53) (USI-amsxaid01)
22:31:54  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=387,dp=110,min=212.1.187.1,max=212.1.186.254,Oct07-22:31:53,Oct07-22:31:54) (USI-amsxaid01)
22:31:54  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=383,dp=110,min=212.1.188.1,max=212.1.187.254,Oct07-22:31:54,Oct07-22:31:54) (USI-amsxaid01)
22:31:55  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=379,dp=110,min=212.1.189.1,max=212.1.188.254,Oct07-22:31:54,Oct07-22:31:55) (USI-amsxaid01)
22:31:56  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=386,dp=110,min=212.1.186.1,max=212.1.189.254,Oct07-22:31:55,Oct07-22:31:56) (USI-amsxaid01)
22:31:57  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=378,dp=110,min=212.1.187.1,max=212.1.186.254,Oct07-22:31:56,Oct07-22:31:57) (USI-amsxaid01)
22:31:58  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=384,dp=110,min=212.1.188.1,max=212.1.188.254,Oct07-22:31:57,Oct07-22:31:58) (USI-amsxaid01)
22:31:58  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=375,dp=110,min=212.1.190.1,max=212.1.190.254,Oct07-22:31:58,Oct07-22:31:58) (USI-amsxaid01)
22:32:01  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=363,dp=110,min=212.1.190.30,max=212.1.191.254,Oct07-22:31:58,Oct07-22:32:01) (USI-amsxaid01)
22:32:11  212.241.201.123 0.0.0.0         [TCP-SWEEP] (total=315,dp=110,min=212.1.191.1,max=212.1.191.254,Oct07-22:32:01,Oct07-22:32:02) (USI-amsxaid01)

I understand that this may be as a result of a script that might be running, again I know not how as I am the only person who has the credentials to log into the server and I know nothing about scripts or how to locate such a rogue script.

Can anyone offe any help as to how I can find what is causing this problem?

Many thanksStart Free Trial
 
Keywords: TCP Sweep problem
Title
1 Ping sweeps and Port scans
2 Database sweep
3 Green Sweep
4 'Sweeping' Line
5 Info on UDP Port 389
6 Rogue Device on Network
 
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[+][-]10.09.2008 at 07:22AM PDT, ID: 22678669

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[+][-]10.09.2008 at 07:28AM PDT, ID: 22678727

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[+][-]10.09.2008 at 08:46AM PDT, ID: 22679582

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[+][-]10.10.2008 at 05:45AM PDT, ID: 22686250

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About this solution

Zones: Web Servers, Networking Security Vulnerabilities, Network Security
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Solution Provided By: jahboite
Participating Experts: 2
Solution Grade: A
 
 
 
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20081112-EE-VQP-42 - Hierarchy / EE_QW_2_20070628