60 lines
2.0 KiB
Plaintext
60 lines
2.0 KiB
Plaintext
# process rules with disruptive actions
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SecRuleEngine On
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# allow body checks
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SecRequestBodyAccess On
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# enable XML parsing
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SecRule REQUEST_HEADERS:Content-Type "(?:application(?:/soap\+|/)|text/)xml" \
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"id:'200000',phase:1,t:none,t:lowercase,pass,nolog,ctl:requestBodyProcessor=XML"
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# enable JSON parsing
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SecRule REQUEST_HEADERS:Content-Type "application/json" \
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"id:'200001',phase:1,t:none,t:lowercase,pass,nolog,ctl:requestBodyProcessor=JSON"
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# maximum data size
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SecRequestBodyLimit 13107200
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SecRequestBodyNoFilesLimit 131072
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# reject requests if bigger than max data size
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SecRequestBodyLimitAction Reject
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# reject if we can't process the body
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SecRule REQBODY_ERROR "!@eq 0" \
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"id:'200002', phase:2,t:none,log,deny,status:400,msg:'Failed to parse request body.',logdata:'%{reqbody_error_msg}',severity:2"
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# be strict with multipart/form-data body
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SecRule MULTIPART_STRICT_ERROR "!@eq 0" \
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"id:'200003',phase:2,t:none,log,deny,status:400, \
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msg:'Multipart request body failed strict validation: \
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PE %{REQBODY_PROCESSOR_ERROR}, \
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BQ %{MULTIPART_BOUNDARY_QUOTED}, \
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BW %{MULTIPART_BOUNDARY_WHITESPACE}, \
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DB %{MULTIPART_DATA_BEFORE}, \
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DA %{MULTIPART_DATA_AFTER}, \
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HF %{MULTIPART_HEADER_FOLDING}, \
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LF %{MULTIPART_LF_LINE}, \
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SM %{MULTIPART_MISSING_SEMICOLON}, \
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IQ %{MULTIPART_INVALID_QUOTING}, \
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IP %{MULTIPART_INVALID_PART}, \
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IH %{MULTIPART_INVALID_HEADER_FOLDING}, \
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FL %{MULTIPART_FILE_LIMIT_EXCEEDED}'"
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SecRule MULTIPART_UNMATCHED_BOUNDARY "@eq 1" \
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"id:'200004',phase:2,t:none,log,deny,msg:'Multipart parser detected a possible unmatched boundary.'"
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# enable response body checks
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SecResponseBodyAccess On
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SecResponseBodyMimeType text/plain text/html text/xml application/json
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SecResponseBodyLimit 524288
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SecResponseBodyLimitAction ProcessPartial
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# log usefull stuff
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SecAuditEngine RelevantOnly
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SecAuditLogRelevantStatus "^(?:5|4(?!04))"
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SecAuditLogType Serial
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SecAuditLog /var/log/modsec_audit.log
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# include OWASP CRS rules
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include /etc/nginx/owasp-crs.conf
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include /etc/nginx/owasp-crs/*.conf
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