Nmap Development mailing list archives
Protocol scan and Host Unreachable
From: Rasmus Andersson <rasmus () pole-position org>
Date: Thu, 19 Dec 2002 02:56:43 +0100
Why is "host unreachable" interpreted the same as "protocol unreachable"? Is it a bug or do some hosts give that answer for unused protocols?
nmap-3.10ALPHA7/scan_engine.cc: ... switch(icmp->icmp_code) { case 1: /* Host unreachable */ case 2: /* pr0t0c0l unreachable */ if (scantype == IPPROT_SCAN) { newstate = PORT_CLOSED; ... ---------------------------------------------------------------------For help using this (nmap-dev) mailing list, send a blank email to nmap-dev-help () insecure org . List run by ezmlm-idx (www.ezmlm.org).
Current thread:
- Protocol scan and Host Unreachable Rasmus Andersson (Dec 18)