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Port scans over past two days


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#1 alphaa10

alphaa10

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Posted 13 October 2015 - 07:20 AM

 During October 9 through October 11, noticing my system was sometimes unresponsive for seconds at a time, I began to look for other symptoms than a simple over-fragmented hard drive.

On checking the firewall log, I discovered port scans coming from two or three IPs during the last 48 hours.

The IPs are 209.18.47.61 and either 204.86.118.19 (or 20,21) or 66.35.58.75 (or 76-77).

The IP 209.18.47.61 is associated with domain "belfalest.com" and registered with Tierranet Inc.
The IPs 2014.86.118.19 (20-21) and 66.35.58.75 (76-77) are registered with Dreamhost, LLC with no domain owner visible.


Although I am reluctant to raise what is likely to be a false alarm, port scans are hostile behavior and this series of scans is associated with simultaneously depressed system performance.

Any suggestions about what post-scan checks I should put into place before resuming normal operations?


Edited by alphaa10, 13 October 2015 - 07:21 AM.


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