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Bug #16523

open

NMAP - Cannot Determine Source Address for Interface

Added by Emanuel C 4 days ago.

Status:
New
Priority:
Low
Assignee:
-
Category:
Nmap
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Affected Version:
Affected Plus Version:
Affected Architecture:
6100

Description

  • When issuing nmap commands with source interface, nmap refuses to use the described interface with the following output:
nmap -e "interface" -sS -oN /root/nmap.result --append-output "target subnet" 

I cannot figure out what source address to use for device "interface", does it even exist? QUITTING!
  • The interface exists and its valid in the pfSense, but it is not listed in the command "nmap --iflist"
  • "nmap --iflist" shows a different outbound interface for the target subnet while pfSense shows the valid in netstat -rn | grep "target subnet" command

Tested against pfSense Plus 25.07.1

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