# Gcore DDoS protection

> Protect servers and Virtual Machines against DDoS attacks using Gcore Advanced DDoS Protection with traffic redirection to a mitigation system for filtering attack traffic.

- [DDoS protection](https://docs.gcore.com/ddos-protection.md): Protect servers and Virtual Machines against DDoS attacks using Gcore Advanced DDoS Protection with traffic redirection to a mitigation system for filtering attack traffic.
- [About DDoS Protection](https://docs.gcore.com/ddos-protection/about-ddos-protection.md): Configure Gcore DDoS Protection by selecting Basic (free, null-routing) or Advanced (paid, always-on TMS) modes based on attack frequency, OSI layer coverage needs, and server criticality.

## Onboarding service
- [Service activation](https://docs.gcore.com/ddos-protection/onboarding-service/service-activation.md): Enable DDoS Protection service activation through Onboarding workflow including plan activation, network submission, NOC review, and network configuration steps.
- [Plan activation](https://docs.gcore.com/ddos-protection/onboarding-service/plan-activation.md): Activate a DDoS Protection plan by submitting a request in the Gcore Customer Portal, with plan tier comparison (PAYG, START, PRO, VOLUME), pricing table, and 7-day free trial.
- [Network submission](https://docs.gcore.com/ddos-protection/onboarding-service/network-submission.md): Submit networks for DDoS protection by providing CIDR notation, AS number, and Letter of Authorization (LOA) PDF document; networks enter Pending status until NOC team approval.
- [Review and approval](https://docs.gcore.com/ddos-protection/onboarding-service/review-and-approval.md): Manage NOC review and approval workflow for AS number and network CIDR registration, including submission validation, LOA document verification, and email notification status tracking.
- [Network configuration](https://docs.gcore.com/ddos-protection/onboarding-service/network-configuration.md): Configure GRE endpoint IP address and select protection profile (Basic or custom) for DDoS Protection protected networks via Gcore Customer Portal.
- [Configure a custom protection profile](https://docs.gcore.com/ddos-protection/onboarding-service/custom-protection-profile-configuration.md): Configure custom DDoS protection profiles with rules and policies to match network traffic criteria and apply protocol-aware protections for gaming protocols including Minecraft, Counter-Strike 1.6, Counter-Strike GO, Counter-Strike 2, and Left 4 Dead 2.
- [Apply a custom profile to a protected network](https://docs.gcore.com/ddos-protection/onboarding-service/apply-a-custom-profile-to-a-protected-network.md): Assign a custom protection profile to a protected network in DDoS Protection via the Gcore Customer Portal by editing the network and selecting the profile from the Profile list.

## GRE tunneling
- [About Gcore's DDoS protection with GRE tunneling and BGP routing](https://docs.gcore.com/ddos-protection/onboarding-service/gre-tunneling/about-gcore-ddos-protection-with-gre-tunneling-and-bgp-routing.md): Configure GRE tunneling and BGP routing to protect network infrastructure from DDoS attacks globally, managing GRE encapsulation, MTU/MSS limits, and BGP autonomous system routing between endpoints.
- [Set a GRE tunnel with Gcore](https://docs.gcore.com/ddos-protection/onboarding-service/gre-tunneling/set-a-gre-tunnel-with-gcore.md): Configure GRE tunnel between Cisco routers with tunnel ID, source/destination IP addresses, MTU 1476 bytes, MSS 1436 bytes, and BGP peering session with AS numbers and prefix-list policies for route advertisement.
- [Troubleshooting](https://docs.gcore.com/ddos-protection/onboarding-service/troubleshooting.md): Resolve network submission failures, pending status delays, configuration save errors, and custom profile visibility issues by validating CIDR format, AS Number ranges, LOA file size, GRE endpoint IP addresses, and protection profile selection.

## Super transit
- [Super transit](https://docs.gcore.com/ddos-protection/super-transit.md): Deploy Super Transit to filter DDoS attacks via anycast routing and GRE tunneling while optimizing legitimate traffic routing through Gcore's global backbone for reduced latency.
- [Configure your infrastructure for Super Transit](https://docs.gcore.com/ddos-protection/super-transit/configure-super-transit.md): Configure Super Transit with anycast tunneling, MSS clamping, IRR entries, and ASN validation to protect on-premises, hybrid, and cloud networks from DDoS attacks while optimizing traffic delivery through Gcore DDoS Protection.
- [Gcore radar reports methodologies](https://docs.gcore.com/ddos-protection/gcore-radar-reports-methodologies.md): Analyze DDoS attack patterns in Gcore Radar reports using attack origin and victim country geolocation, targeted industry classification, attack characteristics including duration and power metrics, and attack type identification for UDP, ICMP, and SYN flood vectors.
- [DDoS events log](https://docs.gcore.com/ddos-protection/events-log.md): View DDoS Protection events log in Gcore Customer Portal to access attack details including start time, BPS, PPS, attacked IP address, and attacking IP count for incidents within the past three months.