Re: Unable to monitor sites behind http-basic-auth with monit

[M M]

Hi Martin, 

Here below is the configuration for 4 sites we monitor using Monit: 

check host aHost with address aIPAddress 
    if failed url http://username:address@hidden/advancedSearch.jsp for 5 cycles then alert 

check host bHost with address bIPAddress 
    if failed url http://bIPAddress/advancedSearch.jsp for 5 cycles then alert 

check host cHost with address cIPAddress 
    if failed url http://cIPAddress/advancedSearch.jsp for 5 cycles then alert 

check host dHost with address dIPAddress 
    if failed url http://username:address@hidden/advancedsearch.jsp for 5 cycles then alert

I run monit using -vI and I got the following errors for aHost and dHost: 

monit HTTP server started 
Monit started 
Monit instance changed notification is sent to an email address 
Monit instance changed notification is sent to an email address 
'aHost' succeeded connecting to INET[aIPAddress:80] via TCP 
HTTP error: Server returned status 401 
'aHost' failed protocol test [HTTP] at INET[aIPAddress:80] via TCP 
'bHost' succeeded connecting to INET[bIPAddress:80] via TCP 
'bHost' succeeded testing protocol [HTTP] at INET[bIPAddress:80] via TCP 
'cHost' succeeded connecting to INET[cIPAddress:80] via TCP 
'cHost' succeeded testing protocol [HTTP] at INET[cIPAddress:80] via TCP 
'dHost' succeeded connecting to INET[dIPAddress:80] via TCP 
HTTP error: Server returned status 404 
'dHost' succeeded testing protocol [HTTP] at INET[dIPAddress:80] via TCP 


There were no issues with bHost and cHost that do not require Http-basic-auth. 

When pasting the URL from the montric file for aHost and dHost in a browser I get correctly to the site.  So the username and password for aHost and dHost are correct. 

I do not understand why I get HTTP error: Server returned status 404 when the credentials are correct. 

Do you have any suggestions? 

Regards, 

Max

On Mon, Sep 6, 2010 at 10:04 AM, Martin Pala <address@hidden> wrote:

Hi,

the configuration looks OK. If you test the exact URL used by monit in browser, do you get to the site? The problem could be related to the use of IP address in the testing URL vs. http configuration which may drop you to the default host - if you use IP address it will also appear in the Host header in http request ... that combined with name based virtual servers in http configuration which may redirect the testing request to different site.

1.) run monit in verbose mode (using -vI options) and send output

2.) attach network trace if the communication between monit and tested http server with the testing problem

Regards,

Martin

On Sep 5, 2010, at 10:23 PM, M M wrote:

Hi,

We have few sites on a Unix server that we monitor using monit. All sites are monitored correctly except for 2 that require http-basic-auth.

I have passed the credentials in the URL like below as suggested by the monit 4.8.1 documentation:

check host aHost with address anIPAddress if failed urlhttp://username:address@hidden/advancedSearch.jsp for 5 cycles then alert

However, when checking the connection status on monit for the aHost the status is:

Connection Failed.

What am I doing wrong?

How can I manage to pass the credentials and get a successful connection?

PS this is monit 4.8.1

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