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How to block Majestic (MJ12bot) with mod_security

Internet have lots of unwanted traffic, which causes high load on your dedicated or virtual private server. Traffic can be from bot networks, A Web crawler or normal web traffic different sources. This tutorial we show how you can block Majestic search engine access to your server with modsecurity. What is MJ12bot? Majestic is a […]

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Multipart: Invalid boundary in C-T (characters)

You can sometimes see this error ModSecurity log file: –b2b99b07-H– Message: Multipart parsing error (init): Multipart: Invalid boundary in C-T (characters). POST Payload Typically payload looks below, which cause that error –b2b99b07-B– POST /index.php HTTP/1.0 Host: malware.expert Accept: */* Referer: http://malware.expert/ User-Agent: Mozilla/5.0 (Windows; Windows NT 5.1; en-US) Firefox/3.5.0 Content-Length: 389 Content-Type: multipart/form-data; boundary=(UploadBoundary) Problem […]

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