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Host name changed on server after router reboot?

I recently installed a new router and when I started my Mac Pro the server (10.7.5) Serverwould not respond and I received an error message stating the host name has changed on my server. I can not recall what I did nut I got the server working. I had to reboot teh router again and have received the following email:


From: root@discussion.pharmweb.net (System Administrator)

Subject: Network change notification for discussion.pharmweb.net

Date: 26 January 2013 12:48:52 GMT

To: antony@replaced.net

The host name of discussion.pharmweb.net has changed to discussion.lan. Some services may not work correctly until they have been updated to use the new configuration.


I can not get the server to respond to web requests and am not sure what to change, Sharing is showing my local hostname as discussion.local


Help...

Mac OS X (10.6.8), G4, G5 Towers, G3, G4 and Intel PBs, Time Capsule, Apple TV, iPh

Posted on Jan 26, 2013 5:21 AM

Reply
6 replies

Jan 26, 2013 5:54 AM in response to Antony-D-Emanuele

As an update, if I go into the Server app and select the Server (under Hardware) and select the Network tab, I can see that the Host Name has changed to discussion.lan


If I select Edit and Change Host Name for internet to discussion.pharmweb.net then the Host Name is updated. However, my web servers are still not accessible to the outside world (no response). Strangely, if I use Safari on the server itself and access one of my web servers (discussion.pharmweb.net) then I get the web page loaded, however, none of the other sites on the server load up. Help...

Jan 27, 2013 12:04 AM in response to UptimeJeff

You are spot on re. IP change! The new router is a result of me moving to fibre (which has been very fast and reliable). I was assured by my provider that my IP address would remain the same but have since discoverred that my IP address changed when the router was rebooted! Am waiting for the issue to be resolved, once I have my IP address back I hope that all will return to normality...

Jan 27, 2013 7:39 AM in response to Antony-D-Emanuele

Are you sure it wasn't just the server's LAN IP that changed?

Is it set to Manual ?



If your server is behing a router with a NAT address, then a change in the public IP shouldn't have caused that error. I bet your LAN IP changed and now you don't have port mapping correct. pherhaps the public IP changed also, but my money is on the LAN address.


If its the LAN address, there is no point waiting for the ISP.

Set it back to the address it used before and make sure the router provides NAT with port mapping to that address.

Thats all in your control, not the ISP.

Host name changed on server after router reboot?

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