Re: alias address in REMOTE_ADDR
| From: | shiplu | Date: | Sat, 12 May 2012 06:29:29 +0000 |
| Subject: | Re: alias address in REMOTE_ADDR | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-317854@lists.php.net to get a copy of this message | ||
On Saturday, May 12, 2012, Tóth Csaba wrote:
> Hi Everyone,
>
> I've run into a curious problem, not even really sure it's PHP, but that's
> where
> I caught it, so here it is:
>
> I have two servers hanging on the net, without proxies. Let's call them
> Server1
> and Server2. Server1 has multiple IP addresses, configured as aliases. My
> problem:
> When I do a wget --spider from 1 to 2, I get the eth0 (not alias) address
> in
> Apache's accesslog on Server2. But when I do a file_get_contents(
> http://server2.tld),
> and observe the $_SERVER['REMOTE_ADDR'] on Server2, I get one of the alias
> IP addresses
> back. What can cause this? I really need the eth0 IP address back in
> REMOTE_ADDR.
>
>
On server2 make sure the metric of both interface in the routing table is
not same. Same metric can cause this behavior. Change the metric of eth0 to
a lower value than the other. Then try again.
> Regards,
> Csaba
>
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