METHOD AND DEVICE FOR PROCESSING A NON-LEGITIMATE ANNOUNCEMENT OF AN IP ADDRESS BLOCK

摘要

The invention relates to a method for processing, by a device of a first telecommunications network, a non-legitimate advertisement of an IP address block transmitted by a second network distinct from the first network, this method comprising, on detection (E10) of this non-legitimate advertisement: - a verification step (E20) for determining whether an automatic processing of the non-legitimate advertisement should be activated or not; if necessary, an automatic processing step (E30-E50) of the non-legitimate advertisement comprising: an automatic determination step (E40) of at least one counter advertisement announcing a block of equivalent IP addresses or more specific than the block of IP addresses advertised in the unauthorized ad; and ○ an automatic transmission step (E50) of said at least one counter-advertisement to an even network.