Firewall Wizards: FW and TCP Sessions

[Manoj Kumar Neelapareddy <manojkreddyutl () yahoo com>]

Hi,

if a FW is said to be a stateful firewall, then will
it allow a TCP packet to pass through it(outbound), if
i haven't sent a TCP SYN to initiate a TCP Session
before sending this TCP packet?

I heard that Statefull firewall won't allow any TCP
packets, other than TCP SYNs to pass through it, if
there is no session corresponding a TCP packet is
maintained in FW's session table.

and FW will create a new session only when it detects
a TCP SYN.

is this correct?

comments plz.

thank u
Manoj


        
                
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