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Re: statement changes suggestions
From: |
Jan-Henrik Haukeland |
Subject: |
Re: statement changes suggestions |
Date: |
Mon, 04 Aug 2003 01:17:26 +0200 |
User-agent: |
Gnus/5.1002 (Gnus v5.10.2) XEmacs/21.4 (Civil Service, linux) |
Martin Pala <address@hidden> writes:
> Yes :) My +1 for it.
Thanks Christan and Martin, I'll add the extension to the PORT
statement tonight then. For the checksum statement see below.
> What about to move FAILED behind the target specification, as it is in
*
> IF host www.sol.no port 80 protocol http FAILED
> THEN [ALERT | STOP | RESTART | EXEC]
Okay, it does look more natural :-)
> IF checksum /usr/bin/httpd and expect the sum
> 4e5309d1956f003bcdff168748bea647 FAILED THEN [ALERT | STOP | RESTART | EXEC]
I have a few thoughts about the checksum statement. Thinking about it,
the checksum was originally a security thingy and for catching
unwanted changes. In this case it could be dangerous to run the STOP
or RESTART program (i.e. monit may execute a possible cracked program,
this may be dangerous, especially if monit is running as root). The
function today, will upon a checksum event send an alert and *not*
monitor the program anymore (to avoid executing the program). This
behavior is reasonable.
On the other hand, and also mentioned in the monit-general list, if
checksum is used to watch a configuration file, for instance,
httpd.conf, it could also be reasonable to do both a RESTART and EXEC.
One solution could be that if the ALERT action was used the old
behavior is used (i.e. alert + not monitor anymore) but for the other
action choices the behavior is; alert, do STOP, RESTART or EXEC *and*
keep on monitoring. Do you see the difference? What do you think, will
it be to complicated to understand for regular users?
Anyway, I want to know what you guys think about this before I
eventually change the checksum statement:
1) Do not change checksum and keep it as is
2) Change it as outlined above
--
Jan-Henrik Haukeland
- statement changes suggestions, Jan-Henrik Haukeland, 2003/08/01
- Re: statement changes suggestions, Christian Hopp, 2003/08/02
- Re: statement changes suggestions, Martin Pala, 2003/08/03
- Re: statement changes suggestions,
Jan-Henrik Haukeland <=
- Re: statement changes suggestions, Martin Pala, 2003/08/04
- Re: statement changes suggestions, Jan-Henrik Haukeland, 2003/08/04
- Re: statement changes suggestions, Martin Pala, 2003/08/05
- Re: statement changes suggestions, Martin Pala, 2003/08/05
- Re: statement changes suggestions [READ Please], Jan-Henrik Haukeland, 2003/08/05
Re: statement changes suggestions, Jan-Henrik Haukeland, 2003/08/04