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TCP Port Scanner

Script to scan (via TCP) ports. Optional to set a range or single port and/or to show closed ports.

Prepare environment

  • you can use Python virtualenv
  • Python3.x is needed
  • root rights required (or via sudo)
# install needed packages
$ sudo apt install python3-pip python3-venv
# or
$ sudo pip3 install virtualenv

# create and change into Project directory
$ mkdir -p ~/Projects/TCPPortScanner && cd ~/Projects/TCPPortScanner

# create virtualenv
$ virtualenv -p python3 venv
# or
$ python3 -m venv venv

# activate virtualenv
$ . venv/bin/activate

# install requirements
(venv) $ pip install -r requirements.txt
# or
(venv) $ pip install scapy

# list packages (optional)
(venv) $ pip freeze

# make file executable
(venv) $ chmod u+x TCPPortScan.py

Run HTTP Sniffer

just run it...

# show help (optional)
(venv) $ sudo venv/bin/python ./TCPPortScan.py --help

# start single port scan
(venv) $ sudo venv/bin/python ./TCPPortScan.py mydomain.tld -p 80

# start single port scan and show closed
(venv) $ sudo venv/bin/python ./TCPPortScan.py mydomain.tld -p 443 --all

# start port scan of range and show closed
(venv) $ sudo venv/bin/python ./TCPPortScan.py mydomain.tld -r 22-443 --all

to interrupt press [CTRL + c]

Example output

some example from my terminal...

Start scanning port 80 on target example.com
Port 80 is open

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