freebsd-questions-local at be-well.ilk.org
Mon Nov 17 06:51:25 PST 2003
> >> Another question;
> >> What does it mean if after a Connection attempt I see: flags:0x02
> > Where do you see that? What else do you see with it?
> For example:
> Connection attempt to TCP
> Connection attempt to TCP MYIP:443 from 220.127.116.11:4448
> But I have seen connection to port 80 and with UDP protocoll as well.
> Both with flags:0x02
Ah. You are using LOG_IN_VAIN. That flags value is a bitfield of
header settings from the packet. According to
/usr/include/netinet/tcp.h, that means a SYN packet on TCP. I don't
think it should happen on UDP packets, but I'm too lazy to actually
check at the moment.
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