---
title: "General information about the Network Incidents service"
sidebar_label: "General information"
description: "Basic information about network incidents: which network blocks can be tracked in the service"
sidebar_position: 1
---

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# General information about the Network Incidents service

Network Incidents is a free service that allows you to track the history of DDoS attacks mitigated by [Selectel protection](/anti-ddos/ddos-selectel.mdx), as well as the history of traffic blocks for your resources.

The service allows you to track:

* [blocked attacks](/network-incidents/blocked-attacks.mdx) — DDoS attacks mitigated by [Selectel protection](/anti-ddos/ddos-selectel.mdx). This is L3-L4 protection, which all Selectel products are under by default;
* [network blocks](/network-incidents/blocked-traffic.mdx) — incoming and outgoing traffic blocked due to suspicious network activity, complaints from other clients, copyright infringement, blacklisting, or inclusion in the Roskomnadzor registry;
* [blocked IP addresses](/network-incidents/blocked-ips.mdx) — temporary blocks applied to all incoming traffic to your IP address during a massive DDoS attack that negatively impacts the Selectel network infrastructure.

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