On 12/16/10 12:18 PM, Afsar Mohiuddin wrote:
I created a personal log checking access every hour. However, there is no
pattern. Firewalls have same settings for other machines too but those machines
are stand alones and have no virtual servers. CNAME are correct. Access log has
GETs are getting 200s. Everything looks normal.
I get no response as if the server (dns) doesn't exist. I can't ping or
tracert as NetworkAdmin disabled both. I have a strong feeling that it is
firewalls but our NetAdmin thinks otherwise. -- Thanks.
If Apache has nothing in the error log and nothing in the access log, and it
works sometimes but not other times, then it's not Apache. There's something
wrong with your network, firewall or DNS.
If your network administrator has disabled ping and traceroute, then he's a
bonehead. How can you adminster a network with the primary diagnostic tool
disabled? Some admins think (incorrectly) that disabling ping somehow makes
the network more secure. They need to go back to school.
But that's a topic for a different forum...
Craig
> Date: Thu, 16 Dec 2010 11:44:44 -0800
> From: cja...@emolecules.com
> To: users@httpd.apache.org
> Subject: Re: [us...@httpd] Virtual Servers Help
>
> On 12/16/10 10:34 AM, Afsar Mohiuddin wrote:
> > I am using Apche 2.2.0. I have 4 virtual servers running on it.
> > This server is in DMZ. All servers are accessible from inside the
> > firewalls 24x7 but from outside, sometimes it on and sometimes it
> > is off. I couldn't figure this out. There are no errors in
> > error.log. I appreciate your help.
>
> It may be your firewall, not Apache. It may be configured to block some
traffic certain times of day.
>
> You should provide more details. When you say "sometimes it on and sometimes it is
off," what do you mean? Do you get no response at all, as though the server doesn't exist? Do you
get an immediate "refused connection" message? What exactly is happening?
>
> You checked the error log, but what about the access log? Maybe the traffic
is getting in through your firewall, but not making it back out to the clients.
>
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