[vpn-help] 2.2.2 problem with McAfee Enterprise Firewall

[Kevin VPN]

On 08/23/2013 12:27 AM, Piotr Oleszkiewicz wrote:
> Hello,
>
> I have recently bought the paid version just to learn that there is a
> problem with connecting to the McAfee Enterprise firewall with the newest
> vpn client (while 2.1 works fine).
>
> The connection is negotiated correctly but then I get the error from the
> gateway:
>
> "Received an IPsec packet with a payload length which is not a multiple of
> the ESP encryption algorithm block size.  This could indicate a truncated
> packet."
>
> This happens regardless of ciphers used in the configuration.
>
> The McAfee Enterprise Firewall (formerly Sidewinder) is at the newest
> 8.3.1P2 version.
>

Hi Piotr,

In the Shrew site configuration, under the Phase 1 and Phase 2 tabs, try 
manually selecting the Proposal Parameters (instead of leaving them on 
auto).  This may correct the truncated/fragmented packet problem for you.