[Serusers] symmetric nat/ broadband routers

[Jan Janak]

On 04-12 18:12, Hans Eriksson wrote:
> Klaus,
> 
> Many commersial grade firewalls do not keep sessions alive, regardsless 
> of external pings, so it won't work in rather too many cases.

  Which firewalls behave this way, do you have any particular in mind ?
  What makes you think that many firewall require traffic from inside to
  keep the mapping open ?

   Jan.