“…In most cases, dial-up ISPs provide primary and secondary nameserver IP addresses along with the local (dynamic) IP address during the PPP network-layer protocol configuration [15,16]. This allows us to know with certainty the nameserver addresses for the client, thus overcoming the major challenge of matching clients to their , avg: Table 6: ISP address statistics nameservers using only DNS and HTTP request timestamps in logs.…”
“…In most cases, dial-up ISPs provide primary and secondary nameserver IP addresses along with the local (dynamic) IP address during the PPP network-layer protocol configuration [15,16]. This allows us to know with certainty the nameserver addresses for the client, thus overcoming the major challenge of matching clients to their , avg: Table 6: ISP address statistics nameservers using only DNS and HTTP request timestamps in logs.…”
“…Past experience with similar configuration mechanisms within PPP IPCP [11] has taught us that it is not viable merely to support minimal configuration. Eventually, either much of the functionality embodied in the DHCPv4 options [4] is duplicated or support for DHCPINFORM [3] will be required.…”
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