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...
When an application malfunctions, crashes, or delays, you may see the following message: As the image describes, Sucuri WAF cannot get a response from the site’s hosting server. To resolve this issue, carefully read each of the following...
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...
If you are getting the Sucuri error page, such as the one below when visiting some pages on your site, you can simply whitelist these pages in the Sucuri Firewall settings and the errors will go away. It is recommended to whitelist the page only if...
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...
In order to increase your site’s protection, Sucuri offers an extra layer of protection to Sucuri Firewall users. It is what we call Protected Pages. This option allows you to restrict access to certain pages on your site and it can also be used as...
A cookie is a small piece of data sent from a website and stored in a user’s web browser while the user is browsing that website. Every time the user loads the website, the browser sends the cookie back to the server to notify the website of the...
A good way to block unwanted visitors to your site is by blocking specific user-agents. By blocking their User Agents, you will stop any traffic that contains the specified name in the user agent field. A “user agent” is a software agent that is...
If you want to prevent access on a specific URL, you can do this by the following: Click here and enter the URL path you want to blacklist under the Blacklist URL Paths section. Click on Blacklist to blacklist the URL path once you have typed it...
The Sucuri Firewall has several layers of protection, so you don’t need to worry about blacklisting IP addresses. It will automatically blacklist offending IP addresses, if it detects continuous attacking requests. However, if for any reason...