apache-formula/apache/files/RedHat/modsecurity.conf.jinja

{%- set apache = pillar.get('apache', {}) %}
{%- set modsec = apache.get('mod_security', {}) %}
{%- set sec_rule_engine = modsec.get('sec_rule_engine', 'DetectionOnly' ) -%}
{%- set sec_request_body_access = modsec.get('sec_request_body_access', 'On' ) -%}
{%- set sec_request_body_limit = modsec.get('sec_request_body_limit', 13107200 ) -%}
{%- set sec_request_body_no_files_limit = modsec.get('sec_request_body_no_files_limit', 131072 ) -%}
{%- set sec_request_body_in_memory_limit = modsec.get('sec_request_body_in_memory_limit', 131072 ) -%}
{%- set sec_request_body_limit_action = modsec.get('sec_request_body_limit_action', 'Reject' ) -%}
{%- set sec_pcre_match_limit = modsec.get('sec_pcre_match_limit', 1000 ) -%}
{%- set sec_pcre_match_limit_recursion = modsec.get('sec_pcre_match_limit_recursion', 1000 ) -%}
{%- set sec_debug_log_level = modsec.get('sec_debug_log_level', 0 ) -%}
#
# This file is managed by Salt! Do not edit by hand!
# Modify the salt pillar that generates this file instead
#

LoadModule security2_module modules/mod_security2.so

<IfModule !mod_unique_id.c>
    LoadModule unique_id_module modules/mod_unique_id.so
</IfModule>
<IfModule mod_security2.c>
    # ModSecurity Core Rules Set configuration
           {%- if 'osfinger' in grains and grains.osfinger in ('Red Hat Enterprise Linux Server-6', 'CentOS-6') %}
        Include modsecurity.d/*.conf
        Include modsecurity.d/activated_rules/*.conf
           {%- else %}
        IncludeOptional modsecurity.d/*.conf
        IncludeOptional modsecurity.d/activated_rules/*.conf
           {%- endif %}

    # Default recommended configuration
    SecRuleEngine {{ sec_rule_engine }}
    SecRequestBodyAccess {{ sec_request_body_access }}
    SecRule REQUEST_HEADERS:Content-Type "text/xml" \
         "id:'200000',phase:1,t:none,t:lowercase,pass,nolog,ctl:requestBodyProcessor=XML"
    SecRequestBodyLimit {{ sec_request_body_limit }}
    SecRequestBodyNoFilesLimit {{ sec_request_body_no_files_limit }}
    SecRequestBodyInMemoryLimit {{ sec_request_body_in_memory_limit }}
    SecRequestBodyLimitAction {{ sec_request_body_limit_action }}
    SecRule REQBODY_ERROR "!@eq 0" \
    "id:'200001', 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" \
    "id:'200002',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_MISSING_SEMICOLON}, \
    IQ %{MULTIPART_INVALID_QUOTING}, \
    IP %{MULTIPART_INVALID_PART}, \
    IH %{MULTIPART_INVALID_HEADER_FOLDING}, \
    FL %{MULTIPART_FILE_LIMIT_EXCEEDED}'"

    SecRule MULTIPART_UNMATCHED_BOUNDARY "!@eq 0" \
    "id:'200003',phase:2,t:none,log,deny,status:44,msg:'Multipart parser detected a possible unmatched boundary.'"

    SecPcreMatchLimit {{ sec_pcre_match_limit }}
    SecPcreMatchLimitRecursion {{ sec_pcre_match_limit_recursion }}

    SecRule TX:/^MSC_/ "!@streq 0" \
            "id:'200004',phase:2,t:none,deny,msg:'ModSecurity internal error flagged: %{MATCHED_VAR_NAME}'"

    SecResponseBodyAccess Off
    SecDebugLog /var/log/httpd/modsec_debug.log
    SecDebugLogLevel {{ sec_debug_log_level }}
    SecAuditEngine RelevantOnly
    SecAuditLogRelevantStatus "^(?:5|4(?!04))"
    SecAuditLogParts ABIJDEFHZ
    SecAuditLogType Serial
    SecAuditLog /var/log/httpd/modsec_audit.log
    SecArgumentSeparator &
    SecCookieFormat 0
    SecTmpDir /var/lib/mod_security
    SecDataDir /var/lib/mod_security
</IfModule>