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Schlagwort-Archive: tool
RFC 3912: WHOIS Protocol Specification
Network Working Group L. Daigle
Request for Comments: 3912 VeriSign, Inc.
Obsoletes: 954, 812 September 2004
Category: Standards Track
WHOIS Protocol Specification
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RFC 1393: Traceroute Using an IP Option
Network Working Group G. Malkin
Request for Comments: 1393 Xylogics, Inc.
January 1993
Traceroute Using an IP Option
(mehr …)
What is whois?
What is traceroute?
Traceroute is a tool for analysis, and display the route to a destination host. It was specified in RFC 1393.
The tools sends packages with increasing TTL (Time-To-Live) Value to the host. A router discards packages with TTL 1, otherwise reduces the TTL-Value before forwarding.
What is ping?
Ping ist ein tool for analysis, that displays the availability of the destination host and the signal propagation delay to reach this host.
For this the tool sends several ICMP-Packages (echo request, „ping“) to the host, that should respond with the ICMP-Package (echoreply, „pong“) to show its availability.
Is the host not available, the responsible router responds with „network unreachable“ or „host unreachable“.
