about the sfportscan

[ll <ibeginhere () gmail com>]

hi,all
I confuse about the sfportscan processor. I'm not clearly know what is the log means .
here is from the log file
Time: 12/07-14:08:27.749408
event_ref: 0
210.X.X.221 -> 211.103.154.21 (portscan) TCP Portsweep
Priority Count: 8
Connection Count: 9
IP Count: 5
Scanned IP Range: 61.164.110.113:211.103.154.21
Port/Proto Count: 5
Port/Proto Range: 80:4004

the ip 210.X.X.221 is in the network ,what I want to protect.it's a web server .

I want to know is it means the ip 210.X.X.221 scan the outside host ? I'm not sure what the direct 
is ,in or out?
Is it my web server scan the some many outside host ?(Scanned IP Range: 61.164.110.113:211.103.154.21)

as the Readme file say,"sfPortscan only generates one alert for each host pair in question during 
the time window (more on windows below)."is it the range IP from 61.164.110.113:211.103.154.21 is 
scaned by my server ip?

and as I think the portsweep is one host  scan a single port on multiple host .why the  port range 
is(Port/Proto Range: 80:4004).

thanks for your help first.

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