[ZendTo] Re: Message to recipient showing IP Address instead of DNS name

[Sergio Rabellino]

Brad Beckenhauer ha scritto:
> Hi Sergio,
> Right now I'm calling the server using dns name in the browser URL 
> (Canonical is off and apache restarted).
> I've tested using Firefox 3.6.8 and IE 8 and in both cases I get the 
> private IP Address in the message sent to the user.
>
> I then changed the line $_SERVER['HTTP_HOST'] to read 
> $_SERVER['SERVER_NAME'] and I still get the IP Address in the email 
> with canonical OFF.
>
this is awesome, did you verify that servername is defined as fdqn for 
the apache you're calling (i don't know if it's a virtualhost) ?
> If I turn "Canonical On" and change the line $_SERVER['HTTP_HOST'] to 
> read $_SERVER['SERVER_NAME'], then the email correctly sends the host 
> DNS name and not the IP Address..
no ideas for now....
>
> Are you using the Centos-64 vm from Julian as well?
>
no i've my "ancient" server on a solaris box, but damn, apache is apache 
and php is php... (btw i've also a service on a centos-64 with 
apache/php with the same behaviour)
> Thanks you for your help!
> Brad
>
>
>
> >>> Sergio Rabellino 08/21/10 8:45 AM >>>
> I have UseCanonical set to Off and the urls are constructed correctly 
> with the FQDN name of my virtualhost.
> As a reference:
>
>>
>>       3.4.2. UseCanonicalName
>>
>>     UseCanonicalName /on|off/
>>     Default: on 
>>     Server config, virtual host, directory, .htaccess
>>
>> This directive controls how Apache forms URLs that refer to itself, 
>> for example, when redirecting a request for 
>> /http://www.domain.com/some/directory/ to the correct 
>> /http://www.domain.com/some/directory// (note the trailing "/" ). If 
>> UseCanonical-Name is on (the default), then the hostname and port 
>> used in the redirect will be those set by ServerName and Port. If it 
>> is off, then the name and port used will be the ones in the original 
>> request.
>>
>> One instance where this directive may be useful is when users are in 
>> the same domain as the web server (for example, on an intranet). In 
>> this case, they may use the "short" name for the server (/www/, for 
>> example), instead of the fully qualified domain name 
>> (/www.domain.com/, say). If a user types a URL such as 
>> /http://www/somedir/ (without the trailing slash), then, with 
>> UseCanonicalName switched on/,/ the user will be directed to 
>> /http://www.domain.com/somedir//, whereas with UseCanonicalName 
>> switched off, he or she will be redirected to /http://www/somedir//. 
>> An obvious case in which this is useful is when user authentication 
>> is switched on: reusing the server name that the user typed means 
>> they won't be asked to reauthenticate when the server name appears to 
>> the browser to have changed. More obscure cases relate to 
>> name/address translation caused by some firewalling techniques
>>
>
> How are you calling your server in the browser url ? If you use the 
> IP, probably then you'll get the IP on the email.
> Which browser/version are you using ?
>
>
> Into the lines you pinpointed, it's used $_SERVER['HTTP_HOST'] instead 
> of $_SERVER['SERVER_NAME']: i agree with you, the second is better 
> because it's related to the request's headers and not to the server 
> configuration. I suggest Jules to exchange these as the values at the 
> worst case are identical.
>
> hope this helps.
>
> Brad Beckenhauer ha scritto:
>> Ok,  I'm no PHP kung-fu expert, but I'm pretty sure that I've 
>> narrowed down where my problem is, but I'm not sure how to fix it or 
>> if there is a better method.
>>  
>> in /lib/NSSDropbox.php lines 40-43 appear to be what is extracting 
>> the server name for the email message.  In my case it's always an IP 
>> Address instead of the desired DNS host name.   I did abit of 
>> research and found that if I set  "UseCanonical On" in the apache 
>> conf file that $_SERVER['SERVER_NAME']; would return my server DNS name.
>>  
>> I have a correct entry in my /etc/hosts file.
>>  
>> What am I missing here to get the email to have the dns name instead 
>> of the hostname?
>>  
>>  
>> thanks
>> Brad
> ....
> -- 
> Ing. Sergio Rabellino
>
> Università degli Studi di Torino
> Dipartimento di Informatica
> ICT Services Director
> Tel +39-0116706701  Fax +39-011751603
> C.so Svizzera , 185 - 10149 - Torino
>
> <http://www.di.unito.it>
>
> ------------------------------------------------------------------------
>
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-- 
Ing. Sergio Rabellino

Università degli Studi di Torino
Dipartimento di Informatica
ICT Services Director
Tel +39-0116706701  Fax +39-011751603
C.so Svizzera , 185 - 10149 - Torino

<http://www.di.unito.it>

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