Re: monit with nginx

[Igor Homyakov]

Hello,

Read the documentation carefully about HOSTHEADER option.

http://mmonit.com/monit/documentation/monit.html


WBR
Igor Homyakov



On Tue, Oct 26, 2010 at 14:53, Derek <address@hidden> wrote:
> The access log shows this
>
> Monit 4.10.1
> ip.removed - - [26/Oct/2010:23:46:58 +1300] "GET / HTTP/1.1" 400 173 "-" "-"
>
> Monit 5.0.3
> ip.removed - - [26/Oct/2010:23:47:54 +1300] "GET / HTTP/1.1" 200 151 "-"
> "monit/5.0.3"
>
> Just ngrep'ed the GET requests to nginx.
>
> Monit 4.10.1
> GET / HTTP/1.1..Host: ..Accept: */*..Connection: close..User-Agent:
> monit/4.10.1....
>
> Monit 5.0.3
> GET / HTTP/1.1..Host: ip.address.here..Accept: */*..Connection:
> close..User-Agent: monit/5.0.3....
>
> It looks like the IP/domain is left from the Host: area of the GET request
> on monit 4.10.1
>
> I'm not that much of a http protocol guru - does this help find the cause.
>
> Not lenny-backports packages for monit on debian.. might have to compile up
> a new version for my servers,
>
> Thanks
> Derek
>
> On 26/10/10 11:00 PM, António P. P. Almeida wrote:
>
> On 26 Out 2010 10h33 WEST, address@hidden wrote:
>
> [1  <text/plain; ISO-8859-1 (8bit)>]
> Thanks for the reply,
>
> I'm using this monit instance to check other nginx servers for
> availability, so this is done all remotely using public IP's.
>
> You can also use the hostname.
>
> There are local checks running on each web server to monitor nginx
> locally also, this was using a tcp check on port 80.  However I
> updated the local checks to your line below (if failed port 80
> protocol http then restart).  This also gave the 400 back using
> localhost..
>
> Hmmm. 400 is bad request. What do you see in Nginx logs?
>
> In both cases the syslog shows..
>
> HTTP error: Server returned status 400
>
> 'domain.co.nz' failed protocol test [HTTP] at
> INET[123.456.789.10:80] via TCP
>
> What version of monit are you running?
>
> I'm running monit 5.2.1 and nginx 0.8.53.
>
> --- appa
>
>
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