[kdepim-users] Snort "TCP session without 3-way handshake" warning

[Peter Humphrey]

Hello list,

I'm running KMail 4.11.5 on a Gentoo amd64 box. One of my accounts is a POP3 
connection to my LAN server. I installed snort on the server yesterday, and 
now I get warnings like this in the snort alert log:

[**] [129:20:1] TCP session without 3-way handshake [**]
[Classification: Potentially Bad Traffic] [Priority: 2] 
04/09-10:13:39.343914 192.168.0.6:49854 -> 192.168.0.2:22
TCP TTL:64 TOS:0x10 ID:37404 IpLen:20 DgmLen:104 DF
***AP*** Seq: 0xF037D897  Ack: 0x8F8FE3C5  Win: 0x152  TcpLen: 32
TCP Options (3) => NOP NOP TS: 249552861 325460764 

The IPs are this box, 192.168.0.6, and the server, 192.168.0.2, which is 
running dovecot 2.2.9 to serve POP3 e-mails.

Do I need to set something in KMail, or is this a bug - or is snort being too 
pernickety? I have nearly 5MB of logs from snort already.

-- 
Regards
Peter

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