I am trying to scan a large set of domain names using nmap. I used the following command: Nmap -PN -p443 -sS -T5 -oX out.xml -iL in.csv I get the following warning: Warning: xx.xx.xx.xx giving ...

So I'm making a port scanner in python... import socket ip = "External IP" s = socket.socket(2, 1) #socket.AF_INET, socket.SOCK_STREAM def porttry(ip, port): try: s.connect((ip, port)) return ...

I made a very simple port scanner, but it runs too slow, so I'm looking for a way to make it scan faster. Here is my code: public boolean portIsOpen(String ip, int port, int timeout) { try { Sock...

I'm trying to write a port scanner, I managed to get the open ports using sockets. My problem is how to know which apps are listening on open ports.

I was trying to check whether the port is opened or not using powershell like follows. (new-object Net.Sockets.TcpClient).Connect("10.45.23.109", 443) This method works , but the output is not u...

I need to specify specific IP range for Nmap scan, for example: 192.168.1.140 - 192.168.3.255 If I do it like: 192.168.1-3.140-255 IP addresses like 192.168.2.7,192.168.3.7 won't be scann...

I need to retrieve both TCP and UDP ports in the same scan with Nmap in the fastest way possible. I'll try to explain it better. If I use the most common command: nmap 192.168.1.1 It retri...

I'm trying to asynchronously scan TCP ports. Since the open ports take just a few hundredths of milliseconds to complete they're fine, but when ports are closed I have to wait for the response. So...

I am trying to write a port scanner in C#. I did some research on port scanning methods. If you are interested, these are the links I found useful: http://www.cs.wright.edu/~pmateti/Intern...