1
vote
1answer
35 views

Linux distribution detection with Nmap

When I run Nmap with OS detection it delivers the kernel version of the Linux host instead of the name of the Distribution. Nessus does Os detection based on banners ...
1
vote
3answers
103 views

Quick way to scan for opened ports on local network according to a list

How can I quickly find out whether port 80 is open/listening on a server via a bash script? Normally on all workstations the daemon is running, but sometimes it fails. I use the following command to ...
0
votes
1answer
239 views

what can filter a port on Fedora 19 besides router, firewall and selinux?

I am trying to use seafile which seems very nice. Unfortunately I have an issue that I fail to explain. From my two fedora 19 machines, nmap says port 12001 is filtered on the distant (say private) ...
1
vote
0answers
355 views

How to close suspicious port 999 garcon, is it malware?

On Mac OSX, I ran the command nmap localhost and I found I have this suspicious open port: 999/tcp open garcon Then I tried to see if there is an associated process, but nothing shows up with ...
3
votes
1answer
5k views

How to find which ports are blocked?

I have root on two machines A and B and I would like to know which ports can't be accessed on B from A. Is there some way to run a command line application on B that listens on all ports and then run ...
0
votes
1answer
113 views

How can I monitor ports on Windows?

What is the simplest way on "local" (1*) Windows, for known ports, to: Find out if it is used. Find out as much as possible about what is behind the port. Find out as much as possible about traffic ...
0
votes
1answer
281 views

Are there any security problems within my CentOS system? [closed]

I have tried to use Nmap to test the ports of my server:) The details are as follows. Are there some vulnerable ports on my server? If yes, why is it vulnerable, and what should I do in order to ...
4
votes
1answer
3k views

Why is “nc -l xxxx” not opening a port?

I'm trying to get netcat to listen on port 4444, but it doesn't seem to be working. I am checking to see if the port is open using nmap, but it doesn't pick it up and I can't figure out why. I have ...
2
votes
2answers
762 views

Port Scan: What is “netvenuechat”?

I was doing a quick port scan at work (Nmap 6, OS X 10.6.8), and I noticed that nearly all of the computers around me were running a service called "netvenuechat" on Port 1023. Although I've searched ...
0
votes
2answers
242 views

Nmap -oG output

I've read about the -oG and tried it out, but it seems to not to working for me... SO basically I'm trying to scan for a port range, lets say for example 2.8.0.0 – 2.15.255.255 and for a list of for ...
1
vote
1answer
3k views

What is hosts2-ns

I just did a portscan on my parents router from the outside with nmap. (outside means I ssh'ed to my server and nmap'ed back to the routers external ip from that server) ~ $ sudo nmap -Pn ...
2
votes
2answers
2k views

Why is this NMAP scan to a remote host showing me no ports open when the ports REALLY are open?

telnet 99.99.99.99 33491 Trying 99.99.99.99... Connected to 99.99.99.99.. Escape character is '^]' ^] telnet> close Connection closed. As you can see, the above telnet command shows port 33491 is ...
2
votes
1answer
4k views

How to show closed ports in NMap?

Any way to make NMap list the closed ports (I've tried -vvvv, etc.)? The filtered ones?
3
votes
3answers
140 views

Transferring NMap scans between machines

Anyone know if its possible to halt a running nmap scan and for another scan on a different machine to 'pick up where it left off'?