[c-nsp] disable stateful firewall on PIX?

Joseph Jackson JJackson at aninetworks.com
Thu Apr 13 18:10:52 EDT 2006


Would that work?  How would the pix know that the connection IS
established?  I believe he is correct when he says it is failing but the
pix isn't the device to transmit the initial SYN.  

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net 
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of 
> Michael K. Smith
> Sent: Thursday, April 13, 2006 2:24 PM
> To: Adam Greene; cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] disable stateful firewall on PIX?
> 
> 
> 
> 
> On 4/13/06 12:47 PM, "Adam Greene" <maillist at webjogger.net> wrote:
> 
> > Thanks Mike, and for the other replies I got offlist.
> > 
> > The problem seems to be that the PIX is blocking the 
> inbound SYN/ACK 
> > on the handshake if it didn't transmit the initial SYN 
> outbound, even 
> > if I do a "permit ip any <netblock>".
> > 
> I know it should be covered with 'permit ip any any' but that 
> sounds like a 'permit tcp any any established' hook.
> 
> Mike
> 
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