preg_match(): Unknown modifier in 403.php on line 159

[Eduardo]

Guys,

I´m getting in my PHP Error log:

[09-Jun-2022 18:08:58 UTC] PHP Warning: preg_match(): Unknown modifier '5' in /home/newtonpaiva/www/wp-content/plugins/bulletproof-security/403.php on line 159

Any ideia?

Thanks!
Eduardo

[AITpro Admin]

The problem is that one or more of your Security Log ignore User Agent rules is invalid, which is breaking the preg_match condition.  Do the steps below.

Go to the BPS Pro Logs|Info menu > Security Log > click the Remove|Allow button (do not enter anything in the text box).
A list of your User Agent Ignore rules will be displayed.
Copy and paste them in your forum reply so I can take a look at them.

[Eduardo]

Thanks for the reply!

The list:

Mozilla/5.0+(compatible; UptimeRobot/2.0; http://www.uptimerobot.com/)
Mozilla/5.0+(compatible; UptimeRobot/2.0; http://www.uptimerobot.com/)

[AITpro Admin]

To ignore the Uptime Bot User Agent you would use this for the ignore rule: UptimeRobot.  Delete you current User Agent ignore rules and create a new User Agent ignore rule for the Uptime Bot.

Or you can whitelist the Uptime Bot so that it will no longer be blocked > https://forum.ait-pro.com/forums/topic/security-log-entries-for-uptimerobot-head-requests/

If a particular User Agent/Bot is being logged excessively in your Security Log file you can Ignore/Not Log that particular User Agent/Bot based on the HTTP_USER_AGENT string in your Security Log. Example User Agent strings: Mozilla/5.0 (compatible; 008/0.85; http://www.80legs.com/webcrawler.html) Gecko/2008032620 and facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php). You could enter 008 or 80legs or webcrawler to Ignore/Not Log the 80legs User Agent/Bot. You could enter facebookexternalhit or facebook or externalhit_uatext to Ignore/Not Log the facebook User Agent/Bot.

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