Security scanner for computers and networks.

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3
votes
2answers
52 views

All ports are unfiltered

I'm currently studying a peneteration/hacking course. I am trying to use nmap against a target to find all the ports that are filtered. I thought if I used an ACK-scan nmap would give me all the ...
1
vote
2answers
84 views

Using nmap to bypass a firewall and perform OS fingerprinting

How can I use nmap to perform operating system detection on a system which has all of its ports filtered by a firewall? Is there a way to bypass it? I have tried: syn scan, xmas scan, fragment ...
1
vote
1answer
35 views

Samba open ports, not being filtered

nmap scan of my ubuntu computer, output when ran with -sV: 139/tcp open netbios-ssn Samba smbd 3.X (workgroup: MEDIAPC) 445/tcp open netbios-ssn Samba smbd 3.X (workgroup: ...
0
votes
1answer
29 views

Unable to scan live hosts in a home network

I have been trying to scan live hosts that is connected to my home network using nmap but it keeps on returning the IP address of my router and my personal computer. I tried using the following ...
0
votes
1answer
62 views

Strange behavior of Nmap

I do port scanning with Nmap when HotSpot Shield VPN is running; and I am receiving strange result - when HotSpot Shield is running, Nmap tells me that all of the ports are open and when HotSpot is ...
0
votes
1answer
79 views

Block OS fingerprinting without using iptables

I have a linux machine connected to a Windows 98 pc on port 104. Now I want to block the OS fingerprinting using nmap for the windows 98 pc. I tired using iptables ( blocking the particular port ) but ...
3
votes
0answers
24 views

NMAP host discovery reporting discrepant results between NAT and Bridged mode

I figured this would be the most relevant place to ask this question. I'm using a Kali VM to run some network scans. The results are different depending on whether my network interface is bridged or ...
3
votes
0answers
84 views

Unknown ports shown on Nmap scan…and other strange behavior

My local network has been exhibiting some inexplicable behaviour. Firstly connecting to my websites domain name from inside the lan redirected me to my router's login page. I checked again with 3g ...
2
votes
0answers
114 views

nmap OS scan showing DD-WRT when I'm not running it?

This weekend, I set up pfSense on a spare box that I had sitting in the garage. It seems cool and powerful, but I haven't messed with it much yet. Was doing some basic nmap scanning from work against ...
2
votes
0answers
110 views

WPA2-Enterprise - unable to find a way around Lanner Electronics

I have currently been working in an environment where I am connected to a WPA2-Enterprise network requiring me to enter my username and password for the network whenever I connect. I have been asked ...
1
vote
0answers
45 views

I am hoping someone can shed some light on these nmap scan results

I am concerned that a friends computer may be compromised. They were complaining about the computer getting really hot, difficulty maintaining an online connection, finding unread non junk emails in ...
1
vote
0answers
39 views

Port scanning on server

My use case is to check open ports on multiple servers, so when I try: nmap -iL list.txt then nmap only scans for some particular ports whether they are open or closed, but when I try: namp -p ...
1
vote
0answers
77 views

Pathping for test Pinging from subnets

Does anyone know if PathPing or NMAP can ping or scan from predefinded source IPs? I am checking connectivity from agents on remote hosts to a destination site from my host. Is there a switch or tool ...
0
votes
0answers
47 views

Establish dynamic port forward/proxy-chain through compromised Windows host

The scenario Attacker IP (public): 1.2.3.4 Compromised Windows Workstation IP (internal): 4.5.6.7 Setup: Firewall between workstation and attacker IP, permits outbound connections on port 21. ...