|
|
|
@@ -0,0 +1,241 @@ |
|
|
|
{%- 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 |
|
|
|
# |
|
|
|
# -- Rule engine initialization ---------------------------------------------- |
|
|
|
|
|
|
|
# Enable ModSecurity, attaching it to every transaction. Use detection |
|
|
|
# only to start with, because that minimises the chances of post-installation |
|
|
|
# disruption. |
|
|
|
# |
|
|
|
SecRuleEngine {{ sec_rule_engine }} |
|
|
|
|
|
|
|
|
|
|
|
# -- Request body handling --------------------------------------------------- |
|
|
|
|
|
|
|
# Allow ModSecurity to access request bodies. If you don't, ModSecurity |
|
|
|
# won't be able to see any POST parameters, which opens a large security |
|
|
|
# hole for attackers to exploit. |
|
|
|
# |
|
|
|
SecRequestBodyAccess {{ sec_request_body_access }} |
|
|
|
|
|
|
|
|
|
|
|
# Enable XML request body parser. |
|
|
|
# Initiate XML Processor in case of xml content-type |
|
|
|
# |
|
|
|
SecRule REQUEST_HEADERS:Content-Type "(?:application(?:/soap\+|/)|text/)xml" \ |
|
|
|
"id:'200000',phase:1,t:none,t:lowercase,pass,nolog,ctl:requestBodyProcessor=XML" |
|
|
|
|
|
|
|
# Enable JSON request body parser. |
|
|
|
# Initiate JSON Processor in case of JSON content-type; change accordingly |
|
|
|
# if your application does not use 'application/json' |
|
|
|
# |
|
|
|
SecRule REQUEST_HEADERS:Content-Type "application/json" \ |
|
|
|
"id:'200001',phase:1,t:none,t:lowercase,pass,nolog,ctl:requestBodyProcessor=JSON" |
|
|
|
|
|
|
|
# Maximum request body size we will accept for buffering. If you support |
|
|
|
# file uploads then the value given on the first line has to be as large |
|
|
|
# as the largest file you are willing to accept. The second value refers |
|
|
|
# to the size of data, with files excluded. You want to keep that value as |
|
|
|
# low as practical. |
|
|
|
# |
|
|
|
SecRequestBodyLimit {{ sec_request_body_limit }} |
|
|
|
SecRequestBodyNoFilesLimit {{ sec_request_body_no_files_limit }} |
|
|
|
|
|
|
|
# Store up to 128 KB of request body data in memory. When the multipart |
|
|
|
# parser reaches this limit, it will start using your hard disk for |
|
|
|
# storage. That is slow, but unavoidable. |
|
|
|
# |
|
|
|
SecRequestBodyInMemoryLimit {{ sec_request_body_in_memory_limit }} |
|
|
|
|
|
|
|
# What do do if the request body size is above our configured limit. |
|
|
|
# Keep in mind that this setting will automatically be set to ProcessPartial |
|
|
|
# when SecRuleEngine is set to DetectionOnly mode in order to minimize |
|
|
|
# disruptions when initially deploying ModSecurity. |
|
|
|
# |
|
|
|
SecRequestBodyLimitAction {{ sec_request_body_limit_action }} |
|
|
|
|
|
|
|
# Verify that we've correctly processed the request body. |
|
|
|
# As a rule of thumb, when failing to process a request body |
|
|
|
# you should reject the request (when deployed in blocking mode) |
|
|
|
# or log a high-severity alert (when deployed in detection-only mode). |
|
|
|
# |
|
|
|
SecRule REQBODY_ERROR "!@eq 0" \ |
|
|
|
"id:'200002', phase:2,t:none,log,deny,status:400,msg:'Failed to parse request body.',logdata:'%{reqbody_error_msg}',severity:2" |
|
|
|
|
|
|
|
# By default be strict with what we accept in the multipart/form-data |
|
|
|
# request body. If the rule below proves to be too strict for your |
|
|
|
# environment consider changing it to detection-only. You are encouraged |
|
|
|
# _not_ to remove it altogether. |
|
|
|
# |
|
|
|
SecRule MULTIPART_STRICT_ERROR "!@eq 0" \ |
|
|
|
"id:'200003',phase:2,t:none,log,deny,status:400, \ |
|
|
|
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}'" |
|
|
|
|
|
|
|
# Did we see anything that might be a boundary? |
|
|
|
# |
|
|
|
SecRule MULTIPART_UNMATCHED_BOUNDARY "!@eq 0" \ |
|
|
|
"id:'200004',phase:2,t:none,log,deny,msg:'Multipart parser detected a possible unmatched boundary.'" |
|
|
|
|
|
|
|
# PCRE Tuning |
|
|
|
# We want to avoid a potential RegEx DoS condition |
|
|
|
# |
|
|
|
SecPcreMatchLimit {{ sec_pcre_match_limit }} |
|
|
|
SecPcreMatchLimitRecursion {{ sec_pcre_match_limit_recursion }} |
|
|
|
|
|
|
|
# Some internal errors will set flags in TX and we will need to look for these. |
|
|
|
# All of these are prefixed with "MSC_". The following flags currently exist: |
|
|
|
# |
|
|
|
# MSC_PCRE_LIMITS_EXCEEDED: PCRE match limits were exceeded. |
|
|
|
# |
|
|
|
SecRule TX:/^MSC_/ "!@streq 0" \ |
|
|
|
"id:'200005',phase:2,t:none,deny,msg:'ModSecurity internal error flagged: %{MATCHED_VAR_NAME}'" |
|
|
|
|
|
|
|
|
|
|
|
# -- Response body handling -------------------------------------------------- |
|
|
|
|
|
|
|
# Allow ModSecurity to access response bodies. |
|
|
|
# You should have this directive enabled in order to identify errors |
|
|
|
# and data leakage issues. |
|
|
|
# |
|
|
|
# Do keep in mind that enabling this directive does increases both |
|
|
|
# memory consumption and response latency. |
|
|
|
# |
|
|
|
SecResponseBodyAccess On |
|
|
|
|
|
|
|
# Which response MIME types do you want to inspect? You should adjust the |
|
|
|
# configuration below to catch documents but avoid static files |
|
|
|
# (e.g., images and archives). |
|
|
|
# |
|
|
|
SecResponseBodyMimeType text/plain text/html text/xml |
|
|
|
|
|
|
|
# Buffer response bodies of up to 512 KB in length. |
|
|
|
SecResponseBodyLimit 524288 |
|
|
|
|
|
|
|
# What happens when we encounter a response body larger than the configured |
|
|
|
# limit? By default, we process what we have and let the rest through. |
|
|
|
# That's somewhat less secure, but does not break any legitimate pages. |
|
|
|
# |
|
|
|
SecResponseBodyLimitAction ProcessPartial |
|
|
|
|
|
|
|
|
|
|
|
# -- Filesystem configuration ------------------------------------------------ |
|
|
|
|
|
|
|
# The location where ModSecurity stores temporary files (for example, when |
|
|
|
# it needs to handle a file upload that is larger than the configured limit). |
|
|
|
# |
|
|
|
# This default setting is chosen due to all systems have /tmp available however, |
|
|
|
# this is less than ideal. It is recommended that you specify a location that's private. |
|
|
|
# |
|
|
|
SecTmpDir /tmp/ |
|
|
|
|
|
|
|
# The location where ModSecurity will keep its persistent data. This default setting |
|
|
|
# is chosen due to all systems have /tmp available however, it |
|
|
|
# too should be updated to a place that other users can't access. |
|
|
|
# |
|
|
|
SecDataDir /tmp/ |
|
|
|
|
|
|
|
|
|
|
|
# -- File uploads handling configuration ------------------------------------- |
|
|
|
|
|
|
|
# The location where ModSecurity stores intercepted uploaded files. This |
|
|
|
# location must be private to ModSecurity. You don't want other users on |
|
|
|
# the server to access the files, do you? |
|
|
|
# |
|
|
|
#SecUploadDir /opt/modsecurity/var/upload/ |
|
|
|
|
|
|
|
# By default, only keep the files that were determined to be unusual |
|
|
|
# in some way (by an external inspection script). For this to work you |
|
|
|
# will also need at least one file inspection rule. |
|
|
|
# |
|
|
|
#SecUploadKeepFiles RelevantOnly |
|
|
|
|
|
|
|
# Uploaded files are by default created with permissions that do not allow |
|
|
|
# any other user to access them. You may need to relax that if you want to |
|
|
|
# interface ModSecurity to an external program (e.g., an anti-virus). |
|
|
|
# |
|
|
|
#SecUploadFileMode 0600 |
|
|
|
|
|
|
|
|
|
|
|
# -- Debug log configuration ------------------------------------------------- |
|
|
|
|
|
|
|
# The default debug log configuration is to duplicate the error, warning |
|
|
|
# and notice messages from the error log. |
|
|
|
# |
|
|
|
#SecDebugLog /opt/modsecurity/var/log/debug.log |
|
|
|
SecDebugLogLevel {{ sec_debug_log_level }} |
|
|
|
|
|
|
|
|
|
|
|
# -- Audit log configuration ------------------------------------------------- |
|
|
|
|
|
|
|
# Log the transactions that are marked by a rule, as well as those that |
|
|
|
# trigger a server error (determined by a 5xx or 4xx, excluding 404, |
|
|
|
# level response status codes). |
|
|
|
# |
|
|
|
SecAuditEngine RelevantOnly |
|
|
|
SecAuditLogRelevantStatus "^(?:5|4(?!04))" |
|
|
|
|
|
|
|
# Log everything we know about a transaction. |
|
|
|
SecAuditLogParts ABIJDEFHZ |
|
|
|
|
|
|
|
# Use a single file for logging. This is much easier to look at, but |
|
|
|
# assumes that you will use the audit log only ocassionally. |
|
|
|
# |
|
|
|
SecAuditLogType Serial |
|
|
|
SecAuditLog /var/log/modsec_audit.log |
|
|
|
|
|
|
|
# Specify the path for concurrent audit logging. |
|
|
|
#SecAuditLogStorageDir /opt/modsecurity/var/audit/ |
|
|
|
|
|
|
|
|
|
|
|
# -- Miscellaneous ----------------------------------------------------------- |
|
|
|
|
|
|
|
# Use the most commonly used application/x-www-form-urlencoded parameter |
|
|
|
# separator. There's probably only one application somewhere that uses |
|
|
|
# something else so don't expect to change this value. |
|
|
|
# |
|
|
|
SecArgumentSeparator & |
|
|
|
|
|
|
|
# Settle on version 0 (zero) cookies, as that is what most applications |
|
|
|
# use. Using an incorrect cookie version may open your installation to |
|
|
|
# evasion attacks (against the rules that examine named cookies). |
|
|
|
# |
|
|
|
SecCookieFormat 0 |
|
|
|
|
|
|
|
# Specify your Unicode Code Point. |
|
|
|
# This mapping is used by the t:urlDecodeUni transformation function |
|
|
|
# to properly map encoded data to your language. Properly setting |
|
|
|
# these directives helps to reduce false positives and negatives. |
|
|
|
# |
|
|
|
SecUnicodeMapFile unicode.mapping 20127 |
|
|
|
|
|
|
|
# Improve the quality of ModSecurity by sharing information about your |
|
|
|
# current ModSecurity version and dependencies versions. |
|
|
|
# The following information will be shared: ModSecurity version, |
|
|
|
# Web Server version, APR version, PCRE version, Lua version, Libxml2 |
|
|
|
# version, Anonymous unique id for host. |
|
|
|
SecStatusEngine On |
|
|
|
|
Imran Iqbal
преди 3 години