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- Null_route abstract "In computer networking, a null route (blackhole route) is a network route (routing table entry) that goes nowhere. Matching packets are dropped (ignored) rather than forwarded, acting as a kind of very limited firewall. The act of using null routes is often called blackhole filtering. The rest of this article deals with null routing in the Internet Protocol (IP).Null routes are typically configured with a special route flag, but can also be implemented by forwarding packets to an illegal IP address such as 0.0.0.0, or the loopback address.Null routing has an advantage over classical firewalls since it is available on every potential network router (including all modern operating systems), and adds virtually no performance impact. Due to the nature of high-bandwidth routers, null routing can often sustain higher throughput than conventional firewalls. For this reason, null routes are often used on high-performance core routers to mitigate large-scale denial-of-service attacks before the packets reach a bottleneck, thus avoiding collateral damage from DDoS attacks — although the target of the attack will be inaccessible to anyone. Blackhole filtering can also be abused by malicious attackers on compromised routers to filter out traffic destined to a certain address.Routing typically only works on the Internet Protocol layer and is very limited in packet classification. It is bound to be stateless due to the nature of IP routers. Typically, classification is limited to the destination IP address prefix, source IP address and incoming network interface.".
- Null_route wikiPageID "3062715".
- Null_route wikiPageLength "2059".
- Null_route wikiPageOutDegree "24".
- Null_route wikiPageRevisionID "670000965".
- Null_route wikiPageWikiLink Black_hole_(networking).
- Null_route wikiPageWikiLink Bottleneck_(engineering).
- Null_route wikiPageWikiLink Category:Routing.
- Null_route wikiPageWikiLink Classless_Inter-Domain_Routing.
- Null_route wikiPageWikiLink Collateral_damage.
- Null_route wikiPageWikiLink Computer_network.
- Null_route wikiPageWikiLink Computer_networking.
- Null_route wikiPageWikiLink Core_router.
- Null_route wikiPageWikiLink Denial-of-service_attack.
- Null_route wikiPageWikiLink Firewall_(computing).
- Null_route wikiPageWikiLink IP_address.
- Null_route wikiPageWikiLink IP_address_blocking.
- Null_route wikiPageWikiLink IP_blocking.
- Null_route wikiPageWikiLink Internet_Protocol.
- Null_route wikiPageWikiLink Localhost.
- Null_route wikiPageWikiLink Network_card.
- Null_route wikiPageWikiLink Network_interface_controller.
- Null_route wikiPageWikiLink Network_packet.
- Null_route wikiPageWikiLink Packet_(information_technology).
- Null_route wikiPageWikiLink Packet_forwarding.
- Null_route wikiPageWikiLink Router_(computing).
- Null_route wikiPageWikiLink Routing.
- Null_route wikiPageWikiLink Routing_table.
- Null_route wikiPageWikiLink State_(computer_science).
- Null_route wikiPageWikiLinkText "Null route".
- Null_route wikiPageWikiLinkText "null route".
- Null_route hasPhotoCollection Null_route.
- Null_route wikiPageUsesTemplate Template:Portal.
- Null_route wikiPageUsesTemplate Template:Unreferenced.
- Null_route subject Category:Routing.
- Null_route hypernym Route.
- Null_route type Article.
- Null_route type Road.
- Null_route type Article.
- Null_route type Protocol.
- Null_route comment "In computer networking, a null route (blackhole route) is a network route (routing table entry) that goes nowhere. Matching packets are dropped (ignored) rather than forwarded, acting as a kind of very limited firewall. The act of using null routes is often called blackhole filtering.".
- Null_route label "Null route".
- Null_route sameAs m.08n_0v.
- Null_route sameAs Q7068970.
- Null_route sameAs Q7068970.
- Null_route wasDerivedFrom Null_route?oldid=670000965.
- Null_route isPrimaryTopicOf Null_route.