On 6/19/2011 7:31 AM, Ralf Hildebrandt wrote:
* Stefan Foerster:
As is to be excpected this mailing list has seen it's fair share of
problems related to operating systems, routers, firewall appliances
and the like. Aside from the things you mention above, DKIM signatures
being blocked by ASAs a
* Stefan Foerster :
> As is to be excpected this mailing list has seen it's fair share of
> problems related to operating systems, routers, firewall appliances
> and the like. Aside from the things you mention above, DKIM signatures
> being blocked by ASAs and a lot of PIX workarounds come to my m
* Wietse Venema :
> We have een reports on this mailing list that some routers or
> firewalls mis-handle TCP features such as window scaling and ECN.
>
> Of course it is possible that the problem is not with your
> nearest router, but elsewhere in the network.
>
> > Any workaround?
>
> Disable T
Finally I fixed it.
The TCP windows scaling was broken by the routing layer of my internet modem.
I created a new virtual interfaces on my server on the same subnet of the
private link of my internet modem to bypass the routing layer and it works well.
Thank you for your help
xavier
Le 18 juin
Xavier Ambrosioni:
> Maybe it's my router which manages the internet connection and
> NAT the incoming connection to my server which breaks the window
> scaling?
We have een reports on this mailing list that some routers or
firewalls mis-handle TCP features such as window scaling and ECN.
Of cour
Le 18/06/2011 07:47, Xavier Ambrosioni a écrit :
>
> It surprising because currently I have no firewall enabled.
I guess you haven Orange LiveBox. if so, it is a (basic) firewall:
http://assistance.orange.fr/du-bon-usage-du-pare-feu-de-votre-livebox-1317.php
Anyway, since you only have
Hi Vikktor,
Thank you for your reply.
It surprising because currently I have no firewall enabled.
Below an example when the connection is properly established.
07:07:15.040105 IP mail-vx0-f173.google.com.61783 >
passrlminisrv.cinema-voiron.fr.smtp: Flags [S], seq 4025038703, win 5720,
options
On Sat, Jun 18, 2011 at 01:30:21AM +0200, Xavier Ambrosioni wrote:
> 22:16:25.978773 IP smtp10.smtpout.orange.fr.41183 >
> passrlminisrv.cinema-voiron.fr.smtp: Flags [S], seq 105066692, win 5840,
> options [mss 1380,sackOK,TS val 2993558281 ecr 0,nop,wscale 8], length 0
> 22:16:28.978262 IP smtp
Hi,
I'm hosting my own mail server using postfix. I've got an Internet Domain Name
(cinema-voiron.fr) and a fix IP address. The router which manages my internet
connection redirects incoming smtp request to my server using NAT (port 25
opened on my server and on my public IP)
I successfully re
