This blog covers DNS basics, advantages, limitations, and scalability insights for how DNS filtering contributes to a strong, scalable security foundation.
Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.
In addition to offering more addresses, IPv6 simplifies aspects of address configuration, network renumbering, and router announcements when changing network connectivity providers. It simplifies processing of packets in routers by placing the responsibility for packet fragmentation into the end points. The IPv6 subnet size is standardized by fixing the size of the host identifier portion of an address to 64 bits.
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News that the European Internet authority RIPE is down to its last block of IPv4 addresses escalates the importance of supporting IPv6. Within a few years, IPv4 addresses will become expensive or impossible to acquire for new businesses or for expanding service providers.
Malware authors are quickly exploiting the vulnerabilities of IPv6 as more and more websites support the new communications protocol. Nefarious IPv6 tools exist that can be used for malicious online activity, even if the tools are intended to facilitate communication between the IPv6 and IPv4 protocols
IPv6 enabled websites are steadily increasing as the availability of IPv4 addresses continue to diminish. While most current company network architectures already support IPv4, it is crucial that applications be ready to support the new IPv6. Migrating to IPv6 is not easy and challenges may arise involving both the network and application layers, as zveloLABS.