I have similar problem like question How do I enable mod_security in Ubuntu 10.04? , but i do not have the "minimal" file with me which i can replace and make it work. My configuration is also different. here is my /etc/modsecurity/modsecurity.conf
SecRuleEngine On SecRequestBodyAccess On SecRule REQUEST_HEADERS:Content-Type "text/xml" \ "phase:1,t:none,t:lowercase,pass,nolog,ctl:requestBodyProcessor=XML" SecRequestBodyLimit 13107200 SecRequestBodyNoFilesLimit 131072 SecRequestBodyInMemoryLimit 131072 SecRequestBodyLimitAction Reject SecRule REQBODY_ERROR "!@eq 0" \ "phase:2,t:none,log,deny,status:400,msg:'Failed to parse request body.',logdata:'%{reqbody_error_msg}',severity:2" SecRule MULTIPART_STRICT_ERROR "!@eq 0" \ "phase:2,t:none,log,deny,status:44,msg:'Multipart request body \ failed strict validation: \ PE %{REQBODY_PROCESSOR_ERROR}, \ BQ %{MULTIPART_BOUNDARY_QUOTED}, \ BW %{MULTIPART_BOUNDARY_WHITESPACE}, \ DB %{MULTIPART_DATA_BEFORE}, \ DA %{MULTIPART_DATA_AFTER}, \ HF %{MULTIPART_HEADER_FOLDING}, \ LF %{MULTIPART_LF_LINE}, \ SM %{MULTIPART_SEMICOLON_MISSING}, \ IQ %{MULTIPART_INVALID_QUOTING}, \ IH %{MULTIPART_INVALID_HEADER_FOLDING}, \ IH %{MULTIPART_FILE_LIMIT_EXCEEDED}'" SecRule MULTIPART_UNMATCHED_BOUNDARY "!@eq 0" \ "phase:2,t:none,log,deny,status:44,msg:'Multipart parser detected a possible unmatched boundary.'" SecPcreMatchLimit 1000 SecPcreMatchLimitRecursion 1000 SecRule TX:/^MSC_/ "!@streq 0" \ "phase:2,t:none,deny,msg:'ModSecurity internal error flagged: %{MATCHED_VAR_NAME}'" SecResponseBodyAccess On SecResponseBodyMimeType text/plain text/html text/xml SecResponseBodyLimit 524288 SecResponseBodyLimitAction ProcessPartial SecTmpDir /tmp/ SecDataDir /tmp/ SecUploadDir /opt/modsecurity/var/upload/ SecUploadKeepFiles RelevantOnly SecUploadFileMode 0600 SecAuditEngine RelevantOnly SecAuditLogRelevantStatus "^(?:5|4(?!04))" SecAuditLogParts ABIJDEFHKZ SecAuditLogType Serial SecAuditLog /var/log/apache2/modsec_audit.log SecAuditLogStorageDir /opt/modsecurity/var/audit/ SecArgumentSeparator & SecCookieFormat 0 And my /etc/apache2/mods-enabled/modsecurity.conf is:
<IfModule security2_module> # Default Debian dir for modsecurity's persistent data SecDataDir /var/cache/modsecurity Include /usr/share/modsecurity-crs/base_rules/*conf Include /usr/share/modsecurity-crs/modsecurity_crs_10_config.conf # Include all the *.conf files in /etc/modsecurity. # Keeping your local configuration in that directory # will allow for an easy upgrade of THIS file and # make your life easier #Include "/etc/modsecurity/*.conf" </IfModule> and /usr/share/modsecurity-crs/modsecurity_crs_10_config.conf is :
SecComponentSignature "core ruleset/2.2.0" SecRuleEngine On SecDefaultAction "phase:2,deny,log" SecAction "phase:1,id:'981207',t:none,nolog,pass, \ setvar:tx.critical_anomaly_score=5, \ setvar:tx.error_anomaly_score=4, \ setvar:tx.warning_anomaly_score=3, \ setvar:tx.notice_anomaly_score=2" SecAction "phase:1,id:'981208',t:none,nolog,pass,setvar:tx.inbound_anomaly_score_level=5" SecAction "phase:1,id:'981209',t:none,nolog,pass,setvar:tx.outbound_anomaly_score_level=4" SecAction "phase:1,id:'981210',t:none,nolog,pass,setvar:tx.paranoid_mode=0" SecAction "phase:1,id:'981211',t:none,nolog,pass,setvar:tx.max_num_args=255" SecAction "phase:1,id:'981212',t:none,nolog,pass, \ setvar:'tx.allowed_methods=GET HEAD POST OPTIONS', \ setvar:'tx.allowed_request_content_type=application/x-www-form-urlencoded multipart/form-data text/xml application/xml application/x-amf', \ setvar:'tx.allowed_http_versions=HTTP/0.9 HTTP/1.0 HTTP/1.1', \ setvar:'tx.restricted_extensions=.asa/ .asax/ .ascx/ .axd/ .backup/ .bak/ .bat/ .cdx/ .cer/ .cfg/ .cmd/ .com/ .config/ .conf/ .cs/ .csproj/ .csr/ .dat/ .db/ .dbf/ .dll/ .dos/ .htr/ .htw/ .ida/ .idc/ .idq/ .inc/ .ini/ .key/ .licx/ .lnk/ .log/ .mdb/ .old/ .pass/ .pdb/ .pol/ .printer/ .pwd/ .resources/ .resx/ .sql/ .sys/ .vb/ .vbs/ .vbproj/ .vsdisco/ .webinfo/ .xsd/ .xsx/', \ setvar:'tx.restricted_headers=/Proxy-Connection/ /Lock-Token/ /Content-Range/ /Translate/ /via/ /if/'" SecRule REQUEST_HEADERS:Content-Type "text/xml" \ "chain,phase:1,id:'981053',t:none,t:lowercase,pass,nolog" SecRule REQBODY_PROCESSOR "!@streq XML" "ctl:requestBodyProcessor=XML" SecRule REQUEST_HEADERS:User-Agent "^(.*)$" "phase:1,id:'981217',t:none,pass,nolog,t:sha1,t:hexEncode,setvar:tx.ua_hash=%{matched_var}" SecRule REQUEST_HEADERS:x-forwarded-for "^\b(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\b" "phase:1,id:'981225',t:none,pass,nolog,capture,setvar:tx.real_ip=%{tx.1}" SecRule &TX:REAL_IP "!@eq 0" "phase:1,id:'981226',t:none,pass,nolog,initcol:global=global,initcol:ip=%{tx.real_ip}_%{tx.ua_hash}" SecRule &TX:REAL_IP "@eq 0" "phase:1,id:'981218',t:none,pass,nolog,initcol:global=global,initcol:ip=%{remote_addr}_%{tx.ua_hash}" No malicious access is being blocked, even in log files it says there are critical alerts, but request is not being blocked. i just want my requests to be blocked. what is wrong in configuration??
