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Questions tagged [nmap]

A robust and open source security tool for network discovery and security auditing.

1 vote
0 answers
25 views

What options are there for live output of nmap scan results? [duplicate]

I need to do a lot of potentially really slow 65k port sweeps and UDP scans. The problem I have is that the XML output (open ports, service probe results) appears only when the entire scan is complete....
yori's user avatar
  • 11
1 vote
1 answer
362 views

Windows RPC "ephemeral" ports

I am doing a cybersecurity review for a client's Windows system, based on documentation that was provided to me. Among other things, the client ran an nmap scan, which showed TCP ports 49664 - 49668 ...
raner's user avatar
  • 153
1 vote
1 answer
206 views

NSE script not running in nmap [closed]

When executing the command nmap -p80 --script=http-enum <host IP> I get no results back from the script "http-enum" as if I did not specify a script to run. I have been using the ...
Chris Frejlach's user avatar
2 votes
1 answer
129 views

NMAP scan from an input file with 100 hosts yields different results compared to scanning hosts individually

I'm trying to ascertain if TCP 8050 & 86 are open on various hosts so I run nmap -sT -Pn -p 86,8050 -iL (location of input file) -oX (location of output file).xml The results I receive are ...
Newby's user avatar
  • 21
0 votes
1 answer
135 views

ICMP port unreachable message stops NMAP on UDP scan but not always [closed]

I have two almost identical embedded hosts that I am scanning with NMAP on the specific UDP port 47808. On host 192.168.2.12 NMAP returns after a while with: while on 192.168.2.24 NMAP immediately ...
user2965433's user avatar
0 votes
0 answers
112 views

ncrack returning no results

I am attempting to perform basic pen testing, I successfully used hydra however I am having some issues with ncrack... To my knowledge the syntax is correct, as I do not encounter any errors however ...
AnonymousGoose's user avatar
1 vote
0 answers
80 views

Is the Appearance of Numerous Open Ports in Network Scans a Misconfiguration, Security Strategy, or Bad Practice? [duplicate]

While scanning networks, I have often come across a large number of open ports, or that’s the result returned by various tools like Nmap, Masscan, etc. Of course, this is false information... But I’m ...
Matt Bomer's user avatar
0 votes
1 answer
479 views

Nmap --disable-arp-ping [duplicate]

I was wondering what the option --disable-arp-ping is for? I have been doing HTB and sometimes I see them using it but I do not really know what is the purpose of this option.
Timothy Tan's user avatar
5 votes
2 answers
735 views

Why does NMAP's Http-Method-Tampering Mark a Server's 405 Code as Vulnerable?

I recently tested a custom server with the http method tamper script from NMAP. It reported the server as being vulnerable with the following output: nmap -p 8000 -sV --script http-method-tamper 192....
Tung's user avatar
  • 236
2 votes
0 answers
166 views

Why is every port open on every scan i do [duplicate]

I have been hired to do some tests on networks but however everytime i do a scan every port is open. This is using nmap and homemade tools. This has been a ongoing problem. I created a script to check ...
Don Schulz's user avatar
1 vote
1 answer
2k views

nmap does not work through proxychains

Despite the already existing answers about this topic, I am still unable to use nmap through proxychains. I would like to scan the port 80 of a machine I can connect using SSH. To do so, I enabled ...
Pierre's user avatar
  • 133
0 votes
0 answers
1k views

How to perform focused scan of public IP using nmap? [duplicate]

Scanning my router using the private IP address using nmap reveals the open ports: Obtaining the public IP address of the router can be achieved by executing the command: nslookup myip.opendns.com ...
machine_1's user avatar
  • 101
2 votes
2 answers
199 views

Attack surface when no incoming port is open [closed]

Let's assume that the only attack to be feared on a computer is one via the network in which the machine is embedded. What options does an attacker have if the machine has no open incoming ports? (For ...
fkarger's user avatar
  • 21
0 votes
0 answers
137 views

Default nmap script execution when specifying --script banner

I have a subscription for a NSE scripts feed for nmap. There are some of those scripts which have the default category (among others) I am running nmap in the following way nmap --privileged -oX - -T3 ...
alvaroalo's user avatar
1 vote
0 answers
362 views

NMAP sending ARP request to destination IP instead of default gateway [closed]

I am doing an NMAP port scan to a remote IP present in a different subnet. NMAP initiates an ARP request first to the remote IP instead of the default gateway(even if the ARP entry is present in the ...
Shaim Khanusiya's user avatar

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