Security Incidents: Re: Port 65535

[bejtlich () TEXAS NET (Richard Bejtlich)]

Hi Mike,

Is the activity confined to only the indicated source and 
dest IPs?  Do you 
have any way to see what flags are set on these packets?

Richard

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Feb 29 07:12:25 firepower kernel: Packet log: private1 DENY 
eth0 PROTO=6
192.115.221.125:65535 207.245.232.127:65535 L=28 S=0x00 
I=15817 F=0x00B8 T=47
(#7)
Feb 29 07:14:25 firepower kernel: Packet log: private1 DENY 
eth0 PROTO=6
192.115.221.125:65535 207.245.232.127:65535 L=28 S=0x00 
I=16104 F=0x00B8 T=47
(#7)
When it's happening, it sends
out a packet to our machine exactly every two minutes.

        Anybody have any idea on this one?

                                                Mike