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Update Core Rules to those in 2.1.4.

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brectanus
2007-12-14 23:23:46 +00:00
parent 4602f7d908
commit 3c4eacf6f1
17 changed files with 577 additions and 295 deletions
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36
rules/modsecurity_crs_21_protocol_anomalies.conf
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@@ -1,6 +1,6 @@
# ---------------------------------------------------------------
# Core ModSecurity Rule Set
# Copyright (C) 2006 Breach Security Inc. All rights reserved.
# Core ModSecurity Rule Set ver.1.5
# Copyright (C) 2006-2007 Breach Security Inc. All rights reserved.
#
# The ModSecuirty Core Rule Set is distributed under GPL version 2
# Please see the enclosed LICENCE file for full details.
@@ -10,53 +10,53 @@
#
# TODO in some cases a valid client (usually automated) generates requests that
# violates the HTTP protocol. Create exceptions for those clients, but try
# to limit the exception to a source IP or other additional properties of
# the request such as URL and not allow the violation generally.
# to limit the exception to a source IP or other additional properties of
# the request such as URL and not allow the violation generally.
#
# Use status code 400 response status code by default as protocol violations
# Use status code 400 response status code by default as protocol violations
# are in essence bad requests.
SecDefaultAction "log,pass,phase:2,status:400"
# Do not accept requests without common headers.
# Do not accept requests without common headers.
#
# Implies either an attacker or a legitimate automation client.
# Implies either an attacker or a legitimate automation client.
#
SecRule REQUEST_URI "^/$" "chain,skip:4"
SecRule REQUEST_URI "^/$" "chain,skip:4,nolog,pass"
SecRule REMOTE_ADDR "^127\.0\.0\.1$" "chain"
SecRule REQUEST_HEADERS:User-Agent "^Apache.*\(internal dummy connection\)$" "t:none"
SecRule &REQUEST_HEADERS:Host "@eq 0" \
"skip:1,log,auditlog,msg:'Request Missing a Host Header',,id:'960008',severity:'4'"
"skip:1,log,auditlog,msg:'Request Missing a Host Header',id:'960008',severity:'4'"
SecRule REQUEST_HEADERS:Host "^$" \
"log,auditlog,msg:'Request Missing a Host Header',,id:'960008',severity:'4'"
"log,auditlog,msg:'Request Missing a Host Header',id:'960008',severity:'4'"
SecRule &REQUEST_HEADERS:Accept "@eq 0" \
"chain,skip:1,log,auditlog,msg:'Request Missing an Accept Header', severity:'2',,id:'960015',"
"chain,skip:1,log,auditlog,msg:'Request Missing an Accept Header', severity:'2',id:'960015'"
SecRule REQUEST_METHOD "!^OPTIONS$" "t:none"
SecRule REQUEST_HEADERS:Accept "^$" \
"chain,log,auditlog,msg:'Request Missing an Accept Header', severity:'2',,id:'960015',"
"chain,log,auditlog,msg:'Request Missing an Accept Header', severity:'2',id:'960015'"
SecRule REQUEST_METHOD "!^OPTIONS$" "t:none"
SecRule &REQUEST_HEADERS:User-Agent "@eq 0" \
"skip:1,log,auditlog,msg:'Request Missing a User Agent Header',,id:'960009',severity:'4'"
"skip:1,log,auditlog,msg:'Request Missing a User Agent Header',id:'960009',severity:'4'"
SecRule REQUEST_HEADERS:User-Agent "^$" \
"log,auditlog,msg:'Request Missing a User Agent Header',,id:'960009',severity:'4'"
"log,auditlog,msg:'Request Missing a User Agent Header',id:'960009',severity:'4'"
SecRule &REQUEST_HEADERS:Content-Type "@eq 0" \
"chain,log,auditlog,msg:'Request Containing Content, but Missing Content-Type header',,id:'960904',severity:'4'"
"chain,log,auditlog,msg:'Request Containing Content, but Missing Content-Type header',id:'960904',severity:'4'"
SecRule REQUEST_HEADERS:Content-Length "!^0$"
# Check that the host header is not an IP address
# Check that the host header is not an IP address
#
SecRule REQUEST_HEADERS:Host "^[\d\.]+$" "deny,log,auditlog,status:400,msg:'Host header is a numeric IP address', severity:'2',,id:'960017',"
SecRule REQUEST_HEADERS:Host "^[\d\.]+$" "deny,log,auditlog,status:400,msg:'Host header is a numeric IP address', severity:'2',id:'960017'"
# Log a security event when the request is rejected by apache
#
SecRule RESPONSE_STATUS ^400$ "t:none,phase:5,chain,log,auditlog,msg:'Invalid request',,id:'960913',severity:'2'"
SecRule RESPONSE_STATUS ^400$ "t:none,phase:5,chain,log,auditlog,msg:'Invalid request',id:'960913',severity:'2'"
SecRule WEBSERVER_ERROR_LOG !ModSecurity