nmap is a free, open source, scriptable network security scanner. It features port scanning and service/version detection.

learn more… | top users | synonyms

1
vote
0answers
18 views

Zenmap Showing Filtered for iptables REJECT Rule

I've been recently messing around on my VMWare Ubuntu 15.10, and decided to test out my iptables and see if my Zenmap on my Windows host machine would recognize the ports being blocked. However, when ...
0
votes
0answers
21 views

how to show the process of nmap command?

I'm using ubuntu 15 and what I'm trying to do using the terminal command line is to show the process of the command nmap the network security scanner with out keep pressing the DOWN Button is there ...
0
votes
0answers
33 views

Nmap proxy and dns resolution

How to use nmap and dns resolution of nmap over proxy? I tried proxychains, but for dns resolution it doesn't work, it's known bug as I read on some forums. It works well without dns_proxy feature in ...
0
votes
2answers
58 views

Improving bash script

I need to improve this script: nmap -PN -p 9292 -sN 192.68.12.14 | grep "open" I need to check connectivity to ip 192.168.15.24 on port 9292. If the port is open, then print "port 9292 is open" ...
2
votes
1answer
228 views

Is there a GUI version of nmap available?

Is there a GUI version for nmap that can be installed without manually downloading the program? I don't have a problem with doing so, but it would be nice if there is one available in the ...
-1
votes
2answers
88 views

How can we make use of netcat to determine if a machine is running a web, mail, or ssh server?

Without using the nmap program or ping, How can we make use of the netcat program (nc) to determine whether a particular machine is running web, mail or ssh services.
0
votes
3answers
1k views

How to find mac address of devices connected to my modem and block them from my network on ubuntu terminal?

Firstly, I want to thank you as finally I found IP addresses that were connected to my modem. I found out all 5 devices that were connected to my modem using nmap, while it was showing only 2 devices ...
0
votes
1answer
25 views

xterm argument terminal close immediatley

i went to open xterm with argument to execute nmap command and i am try this method $ xterm -e nmap 74.125.130.100 xterm is open and it's is execute Nmap command but xterm immediately close after ...
3
votes
3answers
179 views

how to find other machines which are connected same network

I tried to find all machines which are connected my modem. I tried 192.168.x.0/24 command on gnome-terminal but it couldn't find any. My brother's laptop and my mobile phone are already connected the ...
2
votes
1answer
161 views

Is it possible to search for a keylogger using netstat / nmap?

I read on website (http://www.psychocats.net/ubuntu/security#firewallantivirus) the following phrase: "By default, Ubuntu ships with no open ports on public interfaces." Does that mean that if I got ...
-1
votes
1answer
61 views

Nmap Error when using the “–script” arg

i just installed the nmap network scanner, and when i try to use it whith the "-script" parameter, it doesn't work: example: soufiane@soufiane-cvc:/usr/local$ nmap -p143,993 -Pn –script imap-...
2
votes
3answers
198 views

NMAP tool results

I performed an nmap scan first via nmap 127.0.0.1(loopback address). It returned 999 ports closed, port 631 is open(correct since netstat -tlpn also shows port 631 is listening). Then I did a port ...
0
votes
1answer
193 views

How do I get my devices connected on port 8000 for SimpleHTTPServer

I'm following along with the book How Linux Works, and am trying to get the Python SimpleHTTPServer to work on its default port. I can access my home folder on the local host, but any other computer ...
0
votes
2answers
385 views

Nmap Logs Question

I recently did an Nmap scan of my network with the ZenMap GUI tool on my Ubuntu install and I got a weird scan result; well in my opinion anyways.. Even though I am using Ubuntu 15.04, for my host, I ...
1
vote
0answers
67 views

Port is open but service is stopped

I have interesting statstistics on open ports on ubuntu. I scan my server from outside with nmap And I see that 110/tcp open pop3 And many other ports are also open But on the server ...
1
vote
2answers
342 views

ssh'ing from one computer to another on the same subnet

I have two computers connected to the same subnet. The first (A) is running 14.04, the second (B) 12.04 I can ssh from the first to the second, but not from the second to the first. Don't really ...
-2
votes
1answer
192 views

How do I specify a CIDR IP range to nmap in python?

I have this function: if subnet==16: nm = nmap.PortScanner() a=nm.scan(hosts='172.16.2.0-256', arguments='-sn') for k,v in a['scan'].iteritems(): if str(v['...
1
vote
1answer
182 views

How can I install the module gateways and find the adress of my routeur

I want to determine the address of my router using a python code. I've found that I can use this method netifaces.gateways() after the installation of the netifaces library. But my problem is: rimeh@...
3
votes
1answer
2k views

How can I get the MAC addresses of machines using python-nmap?

How can I get the MAC addresses of machines using python-nmap? I'm using python-nmap to scan my local network, I can get the ip of several systems but not their MAC addresses. How can I get the MAC ...
1
vote
1answer
552 views

How can I determine the IP address of my router

I want determine the ip of my router address by writing a python code. I found this proposal: $ sudo easy_install netifaces Python 2.6.5 (r265:79063, Oct 1 2012, 22:04:36) ... $ ipython ... In [8]: ...
2
votes
1answer
131 views

nmap returns bogon as hostname

Earlier today, on my Ubuntu 14.04 I was running nmap 192.168.0.1/24 And my machine had a legitimate hostname in the form of [hostname].[wifinetwork]. However, when I run the same command now, my ...
0
votes
2answers
148 views

Namp map only found three open ports in my computer?

I am a beginner in linux. I tried to scan the open port of my computer but I found that only three ports are opened which is port 80, 53 and 65535. Then, I tried to scan my android mobile phone. It ...
0
votes
2answers
2k views

why does nmap seems to have problems to see my android devices, sometimes it would see them but sometimes not [closed]

I have noticed that running nmap 192.168.0.* would list all the devices connected to my wireless AP except for my Android phones, however if I do Ping any of them they are conected im just wondering ...
1
vote
0answers
48 views

Errors were encountered while processing please help

I installed nmap but when I use apt-get update this message appears: Errors were encountered while processing: /var/cache/apt/archives/nmap_6.47-1~ppa1~u_amd64.deb
1
vote
0answers
32 views

Is it possible to find the host name (Computer name) in my LAN network if I know its IP address? [duplicate]

I want to know whether this can be achieved using terminal. I have tried nmap, nslookup and netstat, and failed.
1
vote
1answer
186 views

Difference between ssl/https and plain https in nmap output

I'm trying to analyze the behavior of IPs that operate as free WiFi hotspots. nmap -sV reports the following for two different hosts: PORT STATE SERVICE VERSION 443/tcp open ssl/https?...
1
vote
2answers
205 views

nmap in a shell script : some issues

I decided to make a shell script for basic nmap scanning so I did it like this : #!/bin/bash sudo apt-get install nmap printf "enter the name of site to do basic scan on >>>" read NAME ...
1
vote
1answer
192 views

Live host on network is masked in some way or its changing it's ip?

OVERVIEW: My professor runs some kind of live Ubuntu OS image on top of the classroom computer he uses to lecture then portals into his linux box located in his office. He has informed me his ...
0
votes
1answer
175 views

Nmap ICMP Request with IP Options

Just need to put the "router alert" option in a Ping Request. Router Alert is 0x94040000 at the end of the IP header. This is what I've tried (and a lot of other variations): sudo nmap -sU -PE --ip-...
1
vote
1answer
111 views

How to list servers running in Ubuntu machine along with their port numbers?

Among some other servers installed in my Ubuntu system, one is the dictd server. The documentation says it uses port 2628. Running sudo nmap 192.168.1.74 -p 0-9000 results in: Nmap scan report ...
0
votes
1answer
159 views

how to install nmap in ubuntu 12;04 [duplicate]

Hi every one I am new to Ubuntu before I was using the backtrack 5 r3 in which every thing was installed but when I came to Ubuntu I get confused every thing is change please some body give me little ...
1
vote
3answers
2k views

using nmap for information regarding web host

am trying to get info of host run in linux about open/closed port the host is attacked randomly by hackers changing the content of the page.deleting files,homepage content changed. how can it be ...
2
votes
2answers
12k views

nmap in ubuntu 13.10

idk wheather to post such a silly question in this forum.just out of interest i want to know few things. can i use nmap in ubuntu 13.10 is backtrack another distro like ubuntu i have heard that ...
1
vote
0answers
60 views

nmap(6.40) xml output not showing ports, only os

so im trying to get an inventory list of my home network (just for fun at first) i chose this simple nmap scan for starters: sudo nmap -oX Homscan.xml -v -r 192.168.1.100-110 192.168.1.150 when ...
1
vote
2answers
957 views

Pipe Viewer with Nmap (progress bar)

I would like to know if there is a way to use "pipe viewer" with "Nmap" together. Example: pv | Nmap -sP 192.168.1.0/24 But I couldn't get the progress bar working properly. I mean it should be ...
0
votes
2answers
3k views

help installing nmap 6.40 on 12.04

im trying to install i tried following the instructions in the nmap site by doing this: bzip2 -cd nmap-6.40.tar.bz2 | tar xvf - cd nmap-6.40 ./configure make su root make install and it all works ...
0
votes
1answer
61 views

Another nmap question

Okay so I've recently learned how to run an entire network scan using nmap to find all the devices currently connected to the network that you're connected to. So my next question is can you scan a ...
3
votes
1answer
12k views

How to scan an entire network using Nmap?

Is there a way to scan an entire network using nmap? What I want to do is scan my network for all the devices that are currently connected to it.
2
votes
1answer
2k views

Why does nmap show Tor on Ubuntu

When I run nmap from my Ubuntu workstation Tor ports are shown (as closed) on our server. Starting Nmap 5.21 ( http://nmap.org ) at 2013-03-12 10:22 CDT Nmap scan report for xx.xx.xx.xx Host is up (0....
0
votes
1answer
384 views

How do I format the output of nmap to display on conky?

I want to add to the network section of conky a list of all hosts and ips for my network. However I do not know how to format the output in a way I like. I want Live Hosts However this is on the ...
0
votes
2answers
16k views

How to open port 21?

I installed vsftpd in my Linux Server 12.04. Unfortunately my firewall closed port 20 and 21. So I used the commands found here and other commands to open my ports. But I tested with nmap and I saw ...
1
vote
1answer
1k views

IPv4 Address Sharing Issue? Trying to map IPv4 address from host OS to BT5 VM [closed]

I'm having a general networking issue in regards to my Backtrack 5 (x64) KDE VM in VirtualBox. The VM appears to be on a separate subnet, but for my purposes, I'd like to include the VM in the private ...
0
votes
1answer
153 views

Connection problems between Access Point and Ubuntu

I have an access point already configured (with another AP and it's 3 IP cameras) and I can get in with a WinXP laptop (by AP's IP address) who is wired connected, directly to the AP. Now, I want to ...
1
vote
1answer
3k views

Launcher for Zenmap (or nmapfe) as SUDO

I've installed nmap, and also nmapFE. By default these are NOT set up to run as root; however, the tasks I need to run require it. I am able to run sudo nmapfe from terminal; however, if I create a ...
8
votes
5answers
9k views

Vulnerability Scanner, nmap vs Nessus

I need a good vulnerability auditing tool for Ubuntu so I decided to try nmap I also recalled that there was a product that can do this kind of work called Nessus it is no longer available in the ...