/usr/share/doc/libapache2-modsecurity/README.mlogc is in libapache2-mod-security2 2.8.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | ModSecurity Audit Log Collector (mlogc)
Mlogc is used to connect a ModSecurity sensor to the central
audit log repository.
To Install:
===========
1) Copy the mlogc executable to an appropriate location.
A good location might be /usr/local/bin, /opt/mlogc/bin, etc.
2) Create sensor in the central audit log repository. Note the
username and the password (SENSOR_USERNAME, SENSOR_PASSWORD).
Also note the IP address central repository listens on
(CONSOLE_IP_ADDRESS).
3) Configure the ModSecurity sensor to use mlogc
# Use ReleventOnly auditing
SecAuditEngine RelevantOnly
# Must use concurrent logging
SecAuditLogType Concurrent
# Send all audit log parts
SecAuditLogParts ABIDEFGHZ
# Use the same /CollectorRoot/LogStorageDir as in mlogc.conf
SecAuditLogStorageDir /var/log/mlogc/data
# Pipe audit log to mlogc with your configuration
SecAuditLog "|/usr/local/bin/mlogc /etc/mlogc.conf"
4) Using the mlogc-default.conf as a template, configure the logger.
Typically these are the only directives that will need to be modified
to conform to your site:
# Points to the root of the installation. All relative
# paths configured in this file will be resolved with the
# help of this path (LogStorageDir, TransactionLog, etc.)
#
# Typically, this will be the parent directory that is configured
# in ModSecurity for the SecAuditLogStorageDirectory. So, if
# your SecAuditLogStorageDirectory is set to /var/log/mlogc/data,
# then set this to /var/log/mlogc.
CollectorRoot "/var/log/mlogc"
# ModSecurity Console receiving URI. You can change the host
# and the port parts but leave everything else as is.
ConsoleURI https://CONSOLE_IP_ADDRESS:8886/rpc/auditLogReceiver
# Sensor credentials
SensorUsername "SENSOR_USERNAME"
SensorPassword "SENSOR_PASSWORD"
# Base directory where the audit logs are stored. This can be specified
# as a path relative to the CollectorRoot, or a full path. It should
# resolve to the same path as ModSecurity's SecAuditLogStorageDirectory.
LogStorageDir "data"
See the mlogc-default.conf configuration file for details on other
configuration directives.
5) Restart the ModSecurity sensor.
From now on every audit log generated will go to the repository. Make
sure you create an alert. Transactions without alerts will be recorded
but not displayed on the home page.
To troubleshoot, generate alerts and observe file "mlogc-error.log".
If mlogc fails to connect to the server it will pause for a period
of time (60 seconds by default) before it will try again.
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