iptables

[David Tonhofer]

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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Check this out:

http://en.wikipedia.org/wiki/Transmission_Control_Protocol#Connection_establishment