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From Norman Fournier <nor...@normanfournier.com>
Subject Re: [users@httpd] webservers not responding properly after hardware change
Date Fri, 14 Jun 2013 15:11:44 GMT
On 2013-06-14, at 8:40 AM, David Guerra wrote:

> What you're saying is that you can't connect to any of the servers behind the router.
> So NS1 is not able to communicate at all (ping or anything) to NS2.
> 
> This seems to be a routing issue that you need to resolve at the router level.
> 
> 
> 
> On Fri, Jun 14, 2013 at 1:44 AM, Norman Fournier <norman@normanfournier.com> wrote:
> On 2013-06-13, at 11:28 PM, David Guerra wrote:
> 
>> Your network config isn't anywhere close to normal. It makes no logical sense. 
>> 
>> Aside from that if you replaced a network card then maybe your MAC address changed
and you need to reconfigure the router. 
>> 
>> On Thursday, June 13, 2013, Norman Fournier wrote:
>> 
>> On 2013-06-13, at 4:13 PM, Norman Fournier wrote:
>> 
>>> Hello,
>>> 
>>> I have setup two webservers on my network, one connected directly to the ISP
with an ethernet card installed to bring it to the router where, it was give an internal ip
address and ports opened for ftp, smtp and pop. It is ns1. ns2 is behind the router and handles
http, dns and ssh. Mail is currently being properly delivered although my smtp server going
out is no longer working for obvious reasons.
>>> 
>>> I can't ping ns1 from ns2. apachectl say my configuration is correct. The only
change I made that I can see is the ethernet card in ns1 died. How would this impact my DNS?
>>> 
>>> None of the domains on ns2 are available on the web although the websites on
ns1 are.
>>> 
>>> The attached diagram shows before and after. Any help would be greatly appreciated.
>>> 
>>> Norman
>>> 
>>> http://www.normanfournier.com/nf-network-diagram-v9.jpg
>>> 
>> 
>> It appears that the apache webserver is already loaded and that might be the problem,
although it is not serving any pages. The following is my terminal output.
>> 
>> ns2:~ norman$ apachectl -t
>> Syntax OK
>> ns2:~ norman$ apachectl restart
>> launchctl: CFURLWriteDataAndPropertiesToResource(/System/Library/LaunchDaemons/org.apache.httpd.plist)
failed: -10
>> ns2:~ norman$ apachectl start
>> launchctl: CFURLWriteDataAndPropertiesToResource(/System/Library/LaunchDaemons/org.apache.httpd.plist)
failed: -10
>> org.apache.httpd: Already loaded
>> ns2:~ norman$ 
>> 
>> Norman
> 
> Hello,
> 
> I didn't replace a card, I lost a card. The old router was replaced with a new router
and reconfigured and ports opened as per the diagram in the link. Aside from that, how should
the network be logically setup? It looked logical enough to me in the old configuration.
> 
> Norman

ns1.normanfournier.com can't ping ns2.normanfournier.com, but it can ping 192.70.190.126,
which is the ip address of ns2.

[mail:~] root# ping ns2@normanfournier.com
ping: cannot resolve ns2@normanfournier.com: Unknown host
[mail:~] root# ping 184.70.190.126
PING 184.70.190.126 (184.70.190.126): 56 data bytes
64 bytes from 184.70.190.126: icmp_seq=0 ttl=63 time=8.892 ms
64 bytes from 184.70.190.126: icmp_seq=1 ttl=63 time=8.367 ms
64 bytes from 184.70.190.126: icmp_seq=2 ttl=63 time=8.492 ms
64 bytes from 184.70.190.126: icmp_seq=3 ttl=63 time=8.265 ms
64 bytes from 184.70.190.126: icmp_seq=4 ttl=63 time=7.874 ms
64 bytes from 184.70.190.126: icmp_seq=5 ttl=63 time=9.619 ms
^C
--- 184.70.190.126 ping statistics ---
6 packets transmitted, 6 packets received, 0% packet loss
round-trip min/avg/max/stddev = 7.874/8.585/9.619/0.552 ms

Norman
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