IPSec without AH

2005-01-23 Thread Erik Norgaard
Hi, Due to the problems of IPSec with NAT I was thinking if it is posible to setup IPSec without Authenticated Headers? Does anyone know of a howto? My postulate is that since data is encrypted, this should provide the same security as SSL/TLS - or better as _all_ protocols are encapsulated -

Re: IPSec without AH

2005-01-23 Thread J65nko BSD
On Sun, 23 Jan 2005 13:47:35 +0100, Erik Norgaard [EMAIL PROTECTED] wrote: Hi, Due to the problems of IPSec with NAT I was thinking if it is posible to setup IPSec without Authenticated Headers? Does anyone know of a howto? My postulate is that since data is encrypted, this should provide

Re: IPSec without AH

2005-01-23 Thread Erik Norgaard
J65nko BSD wrote: Due to the problems of IPSec with NAT I was thinking if it is posible to setup IPSec without Authenticated Headers? Does anyone know of a howto? The AH (Authenticated Header) protocol cannot be used with NAT, NAT modifies the header of packets, while AH is supposed to protect

Re: IPSec without AH

2005-01-23 Thread J65nko BSD
On Sun, 23 Jan 2005 14:54:46 +0100, Erik Norgaard [EMAIL PROTECTED] wrote: J65nko BSD wrote: Due to the problems of IPSec with NAT I was thinking if it is posible to setup IPSec without Authenticated Headers? Does anyone know of a howto? The AH (Authenticated Header) protocol cannot be used

Re: IPSec without AH

2005-01-23 Thread Erik Norgaard
J65nko BSD wrote: Ofcourse, it requires access to the (public?) keys to create valid encrypted packets. Hence, if the public key is kept as a shared secret among the authorized users, one could assume that ESP packets are authenticated/trusted. This is my idea, discard AH, rely on ESP and assume