OSSEC: Ubuntu 18.04
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Install Pendukung
sudo su apt update apt -y install build-essential make zlib1g-dev libpcre2-dev libz-dev libssl-dev libevent-dev
Download & Install
sudo su cd /usr/local/src wget https://github.com/ossec/ossec-hids/archive/3.6.0.tar.gz tar zxvf 3.6.0.tar.gz cd /usr/local/src/ossec-hids-3.6.0 ./install.sh
Cuplikan Proses Instalasi
CATATAN:
- Sebagian besar cukup tekan ENTER
- Jika notifikasi email di enable, kita perlu memasukan email address.
- Pilih Bahasa: [en]
OSSEC HIDS v3.6.0 Installation Script - http://www.ossec.net You are about to start the installation process of the OSSEC HIDS. You must have a C compiler pre-installed in your system. - System: Linux ubuntu 4.15.0-20-generic - User: root - Host: ubuntu
ENTER
1- What kind of installation do you want (server, agent, local, hybrid or help)?
server hybrid
2- Setting up the installation environment.
ENTER [/var/ossec]
3- Configuring the OSSEC HIDS.
3.1- Do you want e-mail notification? (y/n) [y]: ENTER
- What's your e-mail address? email@address.anda
- We found your SMTP server as: smtp.server.anda
- Do you want to use it? (y/n) [y]: ENTER
3.2- Do you want to run the integrity check daemon? (y/n) [y]: ENTER
- Running syscheck (integrity check daemon).
3.3- Do you want to run the rootkit detection engine? (y/n) [y]: ENTER
3.4- Active response allows you to execute a specific
command based on the events received. For example,
you can block an IP address or disable access for
a specific user.
More information at:
http://www.ossec.net/en/manual.html#active-response
- Do you want to enable active response? (y/n) [y]: 'ENTER
- Active response enabled.
- By default, we can enable the host-deny and the
firewall-drop responses. The first one will add
a host to the /etc/hosts.deny and the second one
will block the host on iptables (if linux) or on
ipfilter (if Solaris, FreeBSD or NetBSD).
- They can be used to stop SSHD brute force scans,
portscans and some other forms of attacks. You can
also add them to block on snort events, for example.
- Do you want to enable the firewall-drop response? (y/n) [y]: ENTER
- firewall-drop enabled (local) for levels >= 6
-
- 127.0.0.53
- Do you want to add more IPs to the white list? (y/n)? [n]: ENTER
3.5- Do you want to enable remote syslog (port 514 udp)? (y/n) [y]: - Remote syslog enabled. 3.6- Setting the configuration to analyze the following logs: -- /var/log/auth.log -- /var/log/syslog -- /var/log/dpkg.log - If you want to monitor any other file, just change the ossec.conf and add a new localfile entry. Any questions about the configuration can be answered by visiting us online at http://www.ossec.net .
Selesai Compile
- Configuration finished properly.
- To start OSSEC HIDS:
/var/ossec/bin/ossec-control start
- To stop OSSEC HIDS:
/var/ossec/bin/ossec-control stop
- The configuration can be viewed or modified at /var/ossec/etc/ossec.conf
Thanks for using the OSSEC HIDS.
If you have any question, suggestion or if you find any bug,
contact us at https://github.com/ossec/ossec-hids or using
our public maillist at
https://groups.google.com/forum/#!forum/ossec-list
More information can be found at http://www.ossec.net
Run
Run
/var/ossec/bin/ossec-control start
Stop
/var/ossec/bin/ossec-control stop
Konfigurasi di
/var/ossec/etc/ossec.conf
Log
Log penting yang di catat oleh OSSEC HIDS dapat di baca di
/var/ossec/logs/
File yang berisi hal yang penting antara lain adalah
/var/ossec/logs/active-responses.log /var/ossec/logs/alerts/alerts.log