iptables

John O'Loughlin j.oloughlin at qmul.ac.uk
Wed Dec 13 15:54:32 UTC 2006


syn is the tcp syn packet, used for establishing tcp connections with the 
syn syn/ack ack business.

John

On Wed, 13 Dec 2006, tamer amr wrote:

> hi
>
>  i want to know what is the  --syn  option doing in the iptables rule ?
>
>
> because i want to know what is the SYN,ACK   packets ?
>
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