This may be absolutely nothing-it's really tough to say for sure, but someones Norton firewall didn't like what was going on.
Intrusion: Invalid TCP Flags.
Intruder: www.betcris.com(64.35.166.24).
Risk Level: Medium.
Source IP address: www.betcris.com(64.35.166.24).
Destination IP address: (edited by me)
TCP Source Port: http(80).
TCP Destination Port: 3321.
TCP Flags invalid: 0x00000110.
www.betcris.com(64.35.166.24) will be blocked further access to your machine for 30 minutes.
Intrusion Detection has been enabled
Intrusion: Invalid TCP Flags.
Intruder: www.betcris.com(64.35.166.24).
Risk Level: Medium.
Source IP address: www.betcris.com(64.35.166.24).
Destination IP address: (edited by me)
TCP Source Port: http(80).
TCP Destination Port: 3321.
TCP Flags invalid: 0x00000110.
www.betcris.com(64.35.166.24) will be blocked further access to your machine for 30 minutes.
Intrusion Detection has been enabled