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Posts Tagged ‘IPv6’

Researchers at the University of London and the University of Rome felt VPN service providers’ claims about advantages of using their services, such as online anonymity, censorship avoidance, and protection from tracking/monitoring, have not received enough scrutiny. So, the academics downloaded the clients for desktop and mobile devices of 14 of the most popular commercial […]

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Cisco said on Thursday it has patched a denial of service vulnerability in its IOS XR software used in carrier-grade routers. The vulnerability, Cisco said, rests in the ipv6 processing code used by IOS XR in the Cisco CRS-3 Carrier Routing System. The bug is remotely exploitable and is due to incorrect processing of legitimate […]

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25
Jul
2011

Fragmentation has been a frequent source of security vulnerabilities in IPv4, and for good reason. With fragmented IPv4 packets, the layer 4 header information is not available in the second through the last fragment. The process of fragmentation and fragment reassembly can create unexpected and harmful behaviors in intermediate nodes (such as firewalls and routers) […]

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