[notes] error handling - Githubissues

mfunyu / ft_traceroute

Recoding the traceroute command to deepen the knowledge of the network (TCP/IP) by following the paths that an IP packet will take between two machines.

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[notes] error handling #2

Open mfunyu opened 3 months ago

mfunyu commented 3 months ago

$> inetutils-traceroute 10.0.2.14
traceroute to 10.0.2.14 (10.0.2.14), 64 hops max
  1   10.0.2.15  2573,624ms !H  *  68,627ms !H

quit on Destination Host Unreachable
show !H

mfunyu commented 3 months ago

/* Only ICMP_PORT_UNREACH is an expected reply,
     * all other denials produce additional information.
     */