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Mitigating DDoS Attacks for Uninterrupted Operations

Unwanted Traffic Removal Service 2.0

Free. Forever.

Mitigate DDoS attacks at source, as a team.

Get back to business as usual with the world's largest DoS mitigation community

Team Cymru’s Unwanted Traffic Removal Service, UTRS 2.0, is a no cost BGP-based service that is an effective tool to help mitigate large and concentrated DDoS attacks.

Exclusively for owners of globally unique ASN, UTRS 2.0 adds support for FlowSpec, IPv6, increases IPv4 and IPv6 announcement sizes, Enhanced reliability with redundant peering sessions, and ROA’s are honored.

Mitigate DDoS attacks as a community

UTRS v2.0 uses techniques like remote triggered black holes (RTBH), but globally.  Together, we enable to you to protect yourself whilst helping to protect the internet.  You help your neighbor and they help you.

Become an internet hero

Join our community of over 1,300+ network operators around the world to fight DDoS attacks.  Be a hero and help protect the Internet.


Click here for the UTRS peering guide on GitHub. 

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