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prefer gui firewall on linux
by jamied_uk 2nd April 2024, 10:11
prefer gui firewall on linux
example rules to allow a subnet access to a port with tcp protocol
- Code:
sudo apt install -y gufw
- Code:
sudo gufw &
example rules to allow a subnet access to a port with tcp protocol
- Code:
sudo ufw allow from 192.168.2.0/24 to any port 5900
sudo ufw allow from 192.168.2.0/24 to any port 5901
jamied_uk- Admin
- Posts : 3053
Join date : 2010-05-09
Age : 41
Location : UK -
Re: prefer gui firewall on linux
by jamied_uk 2nd April 2024, 12:33
start.sh (setup and loader all in 1)
lnm.py
iptables_lnm.py
- Code:
#!/bin/bash
# Linux Network Menu (c) J~2024
# https://jnet.forumotion.com/t2007-prefer-gui-firewall-on-linux#3097
#
#
echo "Linux Network Menu (c) J~Net 2024"
# Check if ever ran before
# Check if setting.txt exists and is executable
if [ -f setting.txt ]; then
echo ""
else
echo "Decide Either UFW Or IPTABLES Method"
echo "You can only use 1 method on a system at a time!"
echo ""
echo "Type 1 (default for UFW) or 2 for IPTABLES"
echo "Remove setting.txt file to reset choice!"
echo ""
read -p "Enter your choice: " input
echo "$input" > setting.txt
if [ "$input" == "1" ] || [ "$input" == "" ]; then
sudo apt install -y gufw
else
sudo apt install -y iptables-persistent
fi
fi
# Check if /usr/bin/tcpdump exists
if [ -x /usr/bin/tcpdump ]; then
echo ""
else
echo "Seting Up TCP Dump"
sudo apt install -y tcpdump
fi
if [ -x /usr/bin/nmap ]; then
echo ""
else
echo "Seting Up TCP NMAP"
sudo apt install -y nmap
fi
# Read the contents of the file into a variable
var=$(<setting.txt)
# Check if the variable is empty or contains "1"
if [ -z "$var" ] || [ "$var"="1" ]; then
# If empty or equal to "1", execute the first set of commands
sudo python lnm.py
# Add your commands here
else
sudo python iptables_lnm.py
fi
lnm.py
- Code:
#
# Linux Network Menu (c) J~2024
# https://jnet.forumotion.com/t2007-prefer-gui-firewall-on-linux#3097
import subprocess
import os
import json
import time
print("\033[H\033[J", end="")
print("\033[92mLinux Network Menu (c) J~Net 2024\033[0m")
# Function to enable SSH access from a specific IP
def enable_ssh_access(ip_address, port):
subprocess.run(["sudo", "ufw", "allow", f"from {ip_address} to any port {port}"])
log_changes("Enable SSH access", f"Allowed access from IP: {ip_address} on port {port}")
# Function to log changes to settings.log file
def log_changes(action, details):
timestamp=time.strftime("%Y-%m-%d %H:%M:%S")
log_entry=f"{timestamp} - {action}: {details}\n"
with open("settings.log", "a") as log_file:
log_file.write(log_entry)
# Function to load settings from settings.json
def load_settings():
if os.path.exists("settings.json"):
with open("settings.json", "r") as settings_file:
return json.load(settings_file)
else:
return {"port": 22} # Default port is 22
# Function to save settings to settings.json
def save_settings(settings):
with open("settings.json", "w") as settings_file:
json.dump(settings, settings_file, indent=4)
# Function to check SSH server status
def check_ssh_status():
result=subprocess.run(["systemctl", "status", "ssh"], capture_output=True)
return result.stdout.decode()
# Function to remove a UFW rule
def remove_ufw_rule(rule_number):
subprocess.run(["sudo", "ufw", "delete", str(rule_number)])
log_changes("Remove UFW rule", f"Removed rule number {rule_number}")
# Function to display submenu for additional network-related options
def display_more_menu():
print("\n==== More Network Options ====")
print("1. Run nmap")
print("2. Run network sniffer")
print("3. Show UFW status")
print("4. Show UFW SSH rules")
print("5. Allow SSH access from specific IP")
print("6. Return to main menu")
print("==============================")
# Main function
def main():
# Create settings.log file if it doesn't exist
if not os.path.exists("settings.log"):
with open("settings.log", "w") as log_file:
log_file.write("=== Settings Log ===\n")
# Load settings
settings=load_settings()
while True:
print("\n==== Main Menu ====")
print("1. Check SSH server status")
print("2. Enable SSH access for a specific IP")
print("3. View allowed ports")
print("4. Edit ufw rules")
print("5. Change Port")
print("6. More Network Options")
print("7. Exit")
print(f"Current SSH port: {settings['port']}")
print("====================")
choice=input("Enter your choice: ")
if choice == "1":
status=check_ssh_status()
print(status)
elif choice == "2":
ip_address=input("Enter the IP address to allow SSH access: ")
enable_ssh_access(ip_address, settings['port'])
elif choice == "3":
subprocess.run(["sudo", "ufw", "show", "added", "|", "grep", "ssh"])
elif choice == "4":
while True:
print("\n==== Edit ufw Rules ====")
print("1. Remove a rule")
print("2. Return to main menu")
print("==============================")
ufw_choice=input("Enter your choice: ")
if ufw_choice == "1":
rule_number=input("Enter the rule number to remove: ")
remove_ufw_rule(rule_number)
elif ufw_choice == "2":
break
else:
print("Invalid choice. Please enter a valid option.")
elif choice == "5":
new_port=input(f"Enter the new SSH port number (current port is {settings['port']}): ")
settings['port']=int(new_port) if new_port else 22
save_settings(settings)
print(f"SSH port changed to {settings['port']}")
log_changes("Change SSH port", f"Port changed to {settings['port']}")
elif choice == "6":
while True:
display_more_menu()
more_choice=input("Enter your choice: ")
if more_choice == "1":
subprocess.run(["nmap", "-sn", "192.168.2.1/24"])
elif more_choice == "2":
subprocess.run(["tcpdump", "-i", "eth0"])
elif more_choice == "3":
subprocess.run(["sudo", "ufw", "status"])
elif more_choice == "4":
subprocess.run(["sudo", "ufw", "show", "added", "|", "grep", "ssh"])
elif more_choice == "5":
ip_address=input("Enter the IP address to allow SSH access: ")
enable_ssh_access(ip_address, settings['port'])
elif more_choice == "6":
break
else:
print("Invalid choice. Please enter a valid option.")
elif choice == "7":
print("Exiting program.")
break
else:
print("Invalid choice. Please enter a valid option.")
if __name__ == "__main__":
main()
iptables_lnm.py
- Code:
#
# Linux Network Menu (c) J~2024
# https://jnet.forumotion.com/t2007-prefer-gui-firewall-on-linux#3097
import os
import subprocess
import json
import time
print("\033[H\033[J", end="")
print("\033[92mLinux Network Menu (c) J~Net 2024\033[0m")
print("")
# Function to save iptables rules to a file
def save_iptables_rules(file_path):
with open(file_path, "w") as rules_file:
subprocess.run(["iptables-save"], stdout=rules_file)
log_changes("Save iptables rules", f"Saved iptables rules to {file_path}")
# Function to log changes to settings.log file
def log_changes(action, details):
timestamp=time.strftime("%Y-%m-%d %H:%M:%S")
log_entry=f"{timestamp} - {action}: {details}\n"
with open("settings.log", "a") as log_file:
log_file.write(log_entry)
# Function to load settings from settings.json
def load_settings():
if os.path.exists("settings.json"):
with open("settings.json", "r") as settings_file:
return json.load(settings_file)
else:
return {"port": 22} # Default port is 22
# Function to save settings to settings.json
def save_settings(settings):
with open("settings.json", "w") as settings_file:
json.dump(settings, settings_file, indent=4)
# Function to check SSH server status
def check_ssh_status():
result=subprocess.run(["systemctl", "status", "ssh"], capture_output=True)
return result.stdout.decode()
# Function to enable SSH access from a specific IP
def enable_ssh_access(ip_address, port):
subprocess.run(["iptables", "-A", "INPUT", "-p", "tcp", "-s", ip_address, "--dport", str(port), "-j", "ACCEPT"])
log_changes("Enable SSH access", f"Allowed access from IP: {ip_address} on port {port}")
save_iptables_rules("/etc/iptables/rules.v4")
# Function to remove an iptables rule
def remove_iptables_rule(rule_number):
subprocess.run(["iptables", "-D", "INPUT", str(rule_number)])
log_changes("Remove iptables rule", f"Removed rule number {rule_number}")
save_iptables_rules("/etc/iptables/rules.v4")
# Function to display submenu for additional network-related options
def display_more_menu():
print("\n==== More Network Options ====")
print("1. Run nmap")
print("2. Run network sniffer")
print("3. Show iptables rules")
print("4. Show iptables SSH rules")
print("5. Allow SSH access from specific IP")
print("6. Return to main menu")
print("==============================")
# Main function
def main():
# Create settings.log file if it doesn't exist
if not os.path.exists("settings.log"):
with open("settings.log", "w") as log_file:
log_file.write("=== Settings Log ===\n")
# Load settings
settings=load_settings()
while True:
print("\n==== Main Menu ====")
print("1. Check SSH server status")
print("2. Enable SSH access for a specific IP")
print("3. View allowed ports")
print("4. Edit iptables rules")
print("5. Change Port")
print("6. More Network Options")
print("7. Exit")
print(f"Current SSH port: {settings['port']}")
print("====================")
choice=input("Enter your choice: ")
if choice == "1":
status=check_ssh_status()
print(status)
elif choice == "2":
ip_address=input("Enter the IP address to allow SSH access: ")
enable_ssh_access(ip_address, settings['port'])
elif choice == "3":
subprocess.run(["sudo", "iptables", "-L"])
elif choice == "4":
while True:
print("\n==== Edit iptables Rules ====")
print("1. Remove a rule")
print("2. Return to main menu")
print("==============================")
iptables_choice=input("Enter your choice: ")
if iptables_choice == "1":
rule_number=input("Enter the rule number to remove: ")
remove_iptables_rule(rule_number)
elif iptables_choice == "2":
break
else:
print("Invalid choice. Please enter a valid option.")
elif choice == "5":
new_port=input(f"Enter the new SSH port number (current port is {settings['port']}): ")
settings['port']=int(new_port) if new_port else 22
save_settings(settings)
print(f"SSH port changed to {settings['port']}")
log_changes("Change SSH port", f"Port changed to {settings['port']}")
elif choice == "6":
while True:
display_more_menu()
more_choice=input("Enter your choice: ")
if more_choice == "1":
subprocess.run(["nmap", "-sn", "192.168.2.1/24"])
elif more_choice == "2":
subprocess.run(["tcpdump", "-i", "eth0"])
elif more_choice == "3":
subprocess.run(["sudo", "iptables", "-L"])
elif more_choice == "4":
subprocess.run(["sudo", "iptables", "-L", "|", "grep", "tcp", "|", "grep", "dpt:ssh"])
elif more_choice == "5":
ip_address=input("Enter the IP address to allow SSH access: ")
enable_ssh_access(ip_address, settings['port'])
elif more_choice == "6":
break
else:
print("Invalid choice. Please enter a valid option.")
elif choice == "7":
print("Exiting program.")
break
else:
print("Invalid choice. Please enter a valid option.")
if __name__ == "__main__":
main()
jamied_uk- Admin
- Posts : 3053
Join date : 2010-05-09
Age : 41
Location : UK -
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