the best way to add max execution timeout in a PHP script

Posted on 2015-01-18
Medium Priority
Last Modified: 2015-01-23
I have a file that keeps getting abused xmlrpc.php which creates a memory hang, because there is no logical time out in the script, this is what my server says is the issue,
The PHP max_execution_time never actually gets called because time spent waiting doesn't count against execution time
 So I am looking at a solution of what would be the best method of hard coding a max execution time in the script, with the idea of limiting abuse.
Question by:freejointventure
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LVL 111

Expert Comment

by:Ray Paseur
ID: 40556281
It may not be about the execution time.  What IP addresses are involved?

Author Comment

ID: 40556309
Hello and thank you for your reply, the problem is related to process.

Resource:     Process Time
Exceeded:     12645 > 1800 (seconds)
Executable:   /usr/bin/php

So the abusers, target that file, because it can generate an event that consumes memory, so to fix that problem you would need to use CLI to kill the process, I am hoping to avoid the necessity to kill processes, I can ban IPs all day, its the execution issue that I am most concerned about.
LVL 111

Expert Comment

by:Ray Paseur
ID: 40556336
Run this script, shown here in its entirety, and look in the output for max_execution_time (shown in seconds).  
<?php phpinfo();

Open in new window

You can adjust that value via .htaccess or php.ini.  This is the statement I use in my php.ini to limit executing scripts to 30 seconds.
max_execution_time = 30

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Author Comment

ID: 40556382
Ok thanks I think I need to rephrase the question, )
LVL 111

Expert Comment

by:Ray Paseur
ID: 40556385
There's also this, settable in the PHP script itself.  It will override the global settings:

Accepted Solution

freejointventure earned 0 total points
ID: 40556395
that works best, thank you.
LVL 70

Expert Comment

by:Jason C. Levine
ID: 40556891
On the other hand, you can also just disable it completely:


Most Wordpress installs don't use it.

Author Closing Comment

ID: 40566020
thank you this works.

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