Hello,

if it's 443 and so https or even http, zen is adding an item in http header
with real ip X-Forwarded-For
I use it successfuly for my web server to log real remote ip.


Cordialement,
Mathieu CHATEAU
http://www.lotp.fr

2015-06-15 22:04 GMT+02:00 VELARTIS Philipp Dürhammer <
p.duerham...@velartis.at>:

>  Oops mistake!
>
>
>
> *Von:* VELARTIS Philipp Dürhammer [mailto:p.duerham...@velartis.at]
> *Gesendet:* Montag, 15. Juni 2015 21:59
> *An:* 'zenloadbalancer-support@lists.sourceforge.net'
>
> *Betreff:* Re: [Zenloadbalancer-support] Logging IP addresses on
> connections from the internet.
>
>
>
> Hi,
>
>
>
> the problem ist he tcp profile wich uses PEN.
>
> The 443 not the smtp.
>
>
>
>
>
> *Von:* Mathieu Chateau [mailto:mathieu.chat...@lotp.fr
> <mathieu.chat...@lotp.fr>]
> *Gesendet:* Montag, 15. Juni 2015 21:32
> *An:* zenloadbalancer-support
> *Betreff:* Re: [Zenloadbalancer-support] Logging IP addresses on
> connections from the internet.
>
>
>
> Hello,
>
>
>
> I guess it's incoming smtp, else your wouldn't see any relay attempt.
>
>
>
> Using L4xnat should make your server receiving real remote ip address.
> Then it must use zen as a gateway for reply.
>
>
>
> For SMTP, except if you only have 1 ip address, I do not see big benefits,
> as MX are already meant to survive smtp server failure in the whole
> internet.
>
>
>
> Tcpdump wouldn't be useful as you need the true IP in realtime to block
> smtp connection and not accept it at all. Also needed for grey listing.
>
>
>
>
>
>
>   Cordialement,
> Mathieu CHATEAU
> http://www.lotp.fr
>
>
>
> 2015-06-15 16:44 GMT+02:00 Emilio Campos <emilio.campos.mar...@gmail.com>:
>
> You can use tcpdump in the load balancer  in order to obtain the origin
> IP.
>
>
>
>
>
>
>
> 2015-06-12 22:54 GMT+02:00 Ernie Dunbar <maill...@lightspeed.ca>:
>
> Hi everyone.
>
> We're using the community edition of Zen Loadbalancer, and I've noticed
> a problem with logging incoming connections. Namely, that it doesn't
> exist. We've only set up POP and outgoing SMTP as a load balanced
> service so far, but as a result of that our logs are now filling up with
> a lot of SMTP relay attempts. Setting up Fail2Ban on the loadbalancer
> would be pretty easy, if only we had any idea where these connections
> were coming from, but they're not showing up in any of the logs. Is
> there some setting that can turn this logging on?
>
>
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