View file File name : apache-shellshock.conf Content :# Fail2Ban filter to block web requests containing custom headers attempting to exploit the shellshock bug # # [INCLUDES] # overwrite with apache-common.local if _apache_error_client is incorrect. before = apache-common.conf [Definition] prefregex = ^%(_apache_error_client)s (AH01215: )?/bin/([bd]a)?sh: <F-CONTENT>.+</F-CONTENT>$ failregex = ^warning: HTTP_[^:]+: ignoring function definition attempt(, referer: \S+)?\s*$ ^error importing function definition for `HTTP_[^']+'(, referer: \S+)?\s*$ ignoreregex = # DEV Notes: # # https://wiki.apache.org/httpd/ListOfErrors for apache error IDs # # example log lines: # [Thu Sep 25 09:27:18.813902 2014] [cgi:error] [pid 16860] [client 89.207.132.76:59635] AH01215: /bin/bash: warning: HTTP_TEST: ignoring function definition attempt # [Thu Sep 25 09:29:56.141832 2014] [cgi:error] [pid 16864] [client 162.247.73.206:41273] AH01215: /bin/bash: error importing function definition for `HTTP_TEST' # # Author: Eugene Hopkinson (e.hopkinson@gmail.com)