OWASP ModSec CRS Paranoia Mode Sibling 960901

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This page contains a proposal for a stricter rule-clone for ModSecurity CRS Paranoia Mode.

960901 : Invalid character in request

RuleID 2.2.x RuleID 3.0.0-rc1 (original Rule) RuleID 3.0.0-rc1 (paranoid Rule) Change Whitelisting
960901 920270 920271-920274 Character byte range limited to 32-126. none
 #
 # [ Invalid character in request ]
 #
 # This is a paranoid sibling to 2.2.x Rule 960901.
 # Byte range restrictions are now set to 32-126.
 # For 3.0.0-rc1 rule, see 920270. 
 #
 SecRule ARGS|ARGS_NAMES|REQUEST_HEADERS|!REQUEST_HEADERS:Referer "@validateByteRange 32-126" \
       "phase:request,\
       rev:'2',\
       ver:'OWASP_CRS/3.0.0',\
       maturity:'9',\
       accuracy:'9',\
       block,\
       msg:'Invalid character in request',\
       id:'XXXXXX',\
       severity:'ERROR',\
       t:none,t:urlDecodeUni,\
       tag:'application-multi',\
       tag:'language-multi',\
       tag:'platform-multi',\
       tag:'attack-protocol',\
       tag:'OWASP_CRS/PROTOCOL_VIOLATION/EVASION',\
       setvar:'tx.msg=%{rule.msg}',\
       setvar:tx.anomaly_score=+%{tx.error_anomaly_score},\
       setvar:tx.%{rule.id}-OWASP_CRS/PROTOCOL_VIOLATION/EVASION-%{matched_var_name}=%{matched_var}"