Good Bye Ddos V30 [RECOMMENDED]

Stop and flush all rules:

./gbd.sh stop
./gbd.sh flush

Remove files:

rm -rf /opt/Good-Bye-DDoS
rm -f /etc/systemd/system/gbd.service
iptables -F
ipset destroy gbd_blacklist 2>/dev/null

Every DDoS protection service (Cloudflare, AWS Shield, Akamai, and even open-source solutions like Fail2ban) has had years to reverse-engineer GBD v30. The fingerprint of the v30 packet header is unique. Modern firewalls can identify a GBD v30 attack within the first three packets and drop them silently.

Good Bye DDoS is an open-source shell script designed to mitigate small-to-medium DDoS attacks at the Linux kernel/network level. It uses iptables, ipset, and various Linux networking tools to block malicious traffic based on connection tracking, packet rates, and common attack patterns. good bye ddos v30

Version 30 (v30) is the latest stable release as of 2024–2025, with improved:

⚠ Important: GBD is not a replacement for enterprise DDoS protection (Cloudflare, AWS Shield, etc.). It helps protect a single server from low-volume (1–10 Gbps) attacks and application-layer floods.

GBD v30 operates by:

Auto-learning — whitelists known good IPs (search engines, CDNs, etc.).

Create /etc/systemd/system/gbd.service:

[Unit]
Description=Good Bye DDoS v30 Service
After=network.target
[Service]
Type=simple
ExecStart=/opt/Good-Bye-DDoS/gbd.sh start
ExecStop=/opt/Good-Bye-DDoS/gbd.sh stop
Restart=on-failure
RestartSec=60
[Install]
WantedBy=multi-user.target

Enable and start:

systemctl daemon-reload
systemctl enable gbd
systemctl start gbd