Merge branch 'main' of https://git.vascoalves.xyz/vasco/FSI

ucstudent/pl-suricata on centos - installation notes.txt

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+
+# Installation of Suricata (CentOS 9) with support for the "nfq" module
+############################################################################
+
+##### Option 1: Install via YUM package manager
+yum install epel-release -y
+yum install suricata  
+
+# Check that suricata has support for NFQ
+suricata --build-info | grep NFQ
+# Update rules
+suricata-update
+# Check configuration 
+suricata -T -c /etc/suricata/suricata.yaml
+
+
+##### Option 2: Install from source 
+##### Download and install required packages
+yum install epel-release -y
+dnf config-manager --set-enabled crb
+yum groupinstall "Development Tools" -y
+##### Download and install required packages
+yum install epel-release -y
+dnf config-manager --set-enabled crb
+yum groupinstall "Development Tools" -y
+
+yum install -y \
+libpcap-devel \
+pcre-devel \
+libyaml-devel \
+file-devel \
+jansson-devel \
+libcap-ng-devel \
+libnetfilter_queue-devel \
+libnfnetlink-devel \
+libnetfilter_queue \
+zlib-devel \
+pcre2-devel \
+rust cargo \
+wget \
+tar
+
+
+# Download the latest stable version of Suricata
+cd /usr/src/
+wget https://www.openinfosecfoundation.org/download/suricata-8.0.3.tar.gz
+tar zxvf suricata-8.0.3.tar.gz
+
+# Compile and install
+cd suricata-8.0.3/
+./configure --enable-nfqueue
+
+make -j$(nproc)
+make install
+make install-conf
+make install-rules
+ldconfig
+
+# Update rules
+/usr/local/bin/suricata-update
+
+
+##### Check configuration
+/usr/local/bin/suricata --build-info | grep NFQ
+suricata -T -c /usr/local/etc/suricata/suricata.yaml
+
+
+##### Example usage
+
+# Send packets to suricata via NFQUEUE
+iptables -A OUTPUT -j NFQUEUE --queue-num 0
+iptables -A INPUT -j NFQUEUE --queue-num 0
+
+# Run suricata in inline mode (queue 0)
+suricata -q 0 -c /usr/local/etc/suricata/suricata.yaml
+
+
+##### Check logs
+# Analisar alertas resumidos no ficheiro "fast.log"
+cat fast.log
+# Analisar informação detalhada dos ataques no formato JSON no ficheiro "eve.json"
+cat eve.json | jq 'select(.event_type=="alert")' | more
+