Caizi,

I am still running 2.1.2, so I can't help you with your original request
as I've no idea how to change 2.2's behavior.

You may want to consider this.  DNS could still work for you.  Just use
separate domain names for SMTP and WEBMAIL.  For example:

Internal DNS Server:
    mail.mydomain.com    192.168.1.31
    smtp.mydomain.com    192.168.1.21 

External DNS Server:
    mail.mydomain.com    4.3.2.1
    smtp.mydomain.com    4.3.2.1

Endian Port Forwarding:
    4.3.2.1:25(SMTP)   => 192.168.1.21:25(SMTP)
    4.3.2.1:465(SMTPS) => 192.168.1.21:465(SMTPS)
    4.3.2.1:995(POP3S) => 192.168.1.21:995(POP3S)
    4.3.2.1:993(IMAPS) => 192.168.1.21:993(IMAPS)
    4.3.2.1:80(HTTP)   => 192.168.1.31:80(HTTP)
    4.3.2.1:443(HTTPS) => 192.168.1.31:443(HTTPS)

Then point your mail clients to smtp.mydomain.com.  Voila.

Hope this helps.

Lane Beneke
Network Administrator
Southern Piping Co.
(252) 291-1561 ext. 1148
-----Original Message-----
From: Caizi [mailto:ca...@seznam.cz] 
Sent: Sunday, July 19, 2009 5:33 AM
To: efw-user@lists.sourceforge.net
Subject: Re: [Efw-user] NAT Loopback change in Endian Firewall 2.2


In network setup I have configured only one external IP. And in port
forwarding rule I have this:

TCP     Uplink ANY : 25(SMTP)   =>      192.168.1.21 : 25(SMTP)
allow SMTP
TCP     Uplink ANY : 443(HTTPS)         =>      192.168.1.31: 443(HTTPS)
allow Webmail

Any idea?


Johnny-M wrote:
> 
> Is the port forwarding being done on the primary Red IP or an alias
IP?
> 
> -----Original Message-----
> From: Caizi [mailto:ca...@seznam.cz] 
> Sent: 07/18/2009 12:14 PM
> To: efw-user@lists.sourceforge.net
> Subject: [Efw-user] NAT Loopback change in Endian Firewall 2.2
> 
> 
> Please does somebody know why there is change of IP NAT Loopback
> behaviour in
> EFW 2.2? Or how to correct problem?
> 
> I need access internal servers from LAN by external IP with port
> forwarding.
> For example we have some users with laptops who occasionally work from
> home
> so their email client is set to the WAN IP, but when they bring the
> laptop
> into the office they are unable to connect to the mail server without
> changing their email client to the LAN IP of the mail server.
> 
> Before I was using EFW 2.1.x and there it worked correctly without any
> special options. But with 2.2  it is not working. I could succesfull
> ping or
> access endian web admin interface https://external-ip:10443 but
> accessing
> some other services in internal network is not working.
> 
> 
> Thanks for help.
> -- 
> View this message in context:
>
http://www.nabble.com/NAT-Loopback-change-in-Endian-Firewall-2.2-tp24549
> 413p24549413.html
> Sent from the efw-user mailing list archive at Nabble.com.
> 
> 
>
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View this message in context:
http://www.nabble.com/NAT-Loopback-change-in-Endian-Firewall-2.2-tp24549
413p24555324.html
Sent from the efw-user mailing list archive at Nabble.com.


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