Description: This error typically happens when your database password was modified and you haven’t updated your PHP scripts with the new password. It could also be that your database server is down and you’ll need to contact your hosting...
One of the most common causes of website compromises and malware attacks are due to outdated and vulnerable software. cPanel is one of the most important pieces of software you have running your site, since it allows you to manage and access the...
Every request that comes through the Firewall will use a Firewall IP when reaching the destination server, unless you configured your application to get the Visitor Real IP. VaultPress usually conflicts with the IP change, resulting in a connection...
Sucuri allows you to block unwanted visitors to your site based on where they come from or based on its referer. HTTP referer (originally a misspelling of referrer) is an HTTP header field that identifies the address of the webpage that is linked to...
If you receive a Sucuri Access Denied message, such as the one below, when visiting pages on your site, you can allow the URL in the Sucuri Firewall settings to avoid the blocks for all users. Allowing a URL should be your last resort. It is only...
Blocking the top three attack countries The majority of website attacks come from specific countries: China, Russia and Turkey. Although we have nothing against those countries, the Sucuri Firewall gives you the option of blocking them from...
When an application malfunctions, crashes, or delays, you may see the following message: The image depicts a 502 error in which case the Sucuri WAF cannot get a response from the site’s hosting server. To resolve this issue, please read...
When trying to whitelist an IP address you might get the following error message: This means the IP address you are trying to whitelist is either a local IP address (10.0.0.0/8, 172.16.0.0/12 or 192.168.0.0/16) OR was typed incorrectly. You can only...
If you use vBulletin and you are unable to login to your forum even with the correct credentials and you end up getting: You have used up your failed login quota! Please wait 15 minutes before trying again. The solution is simple. This happens...
In order to filter malicious requests, the WAF sits in the middle of the communication between the site’s visitors and the hosting server. Because of that, the connection is modified and the source IP at the network level will show as the...