How to Defend Against Port Scan Attacks
I was told that Hackers scan for open ports in random IPs and if they are open they hack the computer.
What open ports can be hacked? How do I close the ports?
Category Archives: network-scanners
Where to run long automated scans? [on hold]
I’m trying to run some automated scans without stopping for long periods of time (each scan can take anywhere from 8 hours to 3 days). I currently don’t have a PC I can leave running for many days without shutting down, nor c… Continue reading Where to run long automated scans? [on hold]
Router reboots when doing port scan [on hold]
This question is very much related to Router reboots when using Nmap, the difference is that I’m actually interested in a practical solution to this problem.
I have a piece of C code that is doing port scans with raw sockets… Continue reading Router reboots when doing port scan [on hold]
Windows 10 Hyper-V to run a Untrusted exe
Background: Hired a freelancer to develop software application
Software application came with many more files and dependency folders than expected
Upon inspection, the main .exe was created months before the freelancer was … Continue reading Windows 10 Hyper-V to run a Untrusted exe
Pentesting: Active vs Passive Scan
I couldn’t find answers to this question on this forum so I’m just gonna ask:
What are Active Scans and Passive Scans? What are their differences?
Please include in your answer(s):
differences in methods
risks in using ac… Continue reading Pentesting: Active vs Passive Scan
Did I just find a bug in CloudFlare or is this a feature?
While doing penetration testing for a client I stumbled upon a security incident. CloudFlare promises to hide the origin IP address when using its DNS.
I went to dnsdumpster.com, inputted my client’s domain and there I found… Continue reading Did I just find a bug in CloudFlare or is this a feature?
nmap command to scan entire private network [on hold]
I am looking for a way to scan every single IP address on a private network. Each device will connect to 172.17.X.X where either X will be 0-255. I know I am able to run an nmap scan, nmap 172.17.115.0/24, to retrieve all of … Continue reading nmap command to scan entire private network [on hold]
Nmap scan slow on some IP ranges
I’m a security newbie trying to scan a VPN in the range 10.0.0.0 – 10.0.15.254 using nmap on Kali Linux.
The routing table:
route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref … Continue reading Nmap scan slow on some IP ranges
Why is Nmap not working with -oG command [migrated]
I am trying to learn how to use Nmap. I am running the following command in order to scan my WIFI subnet,
nmap -oG – 192.168.1.0-255 -vv
It starts the scan but get stuck at the last host, 192.168.1.255 and shows nothing af… Continue reading Why is Nmap not working with -oG command [migrated]
Firebase ports scanning using nmap
Purely for research purposes used nmap to check security of my application deployed to Firebase. However, there some questions which I can’t understand:
Why Firebase has open so many ports? Something like few hundreds.
Almo… Continue reading Firebase ports scanning using nmap