another seeming attack on my server's DirPort

Michael Holstein michael.holstein at csuohio.edu
Thu Dec 20 19:28:20 UTC 2007


> I assume a correlation between these two events, although I wonder how 
> (blocked) window shrinks could lead to this. My idea was to 
> automatically search in syslog for window shrink events and then block 
> the guilty IPs for 24 hours with iptables. But I hope that anybody 
> understands what was there exactly going on...

TCP windowing foolishness can be a result of ISP "bandwidth management".

~Mike.



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