def connect(self): """Establish SSH connection to ASA""" try: self.ssh_client = paramiko.SSHClient() self.ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) self.logger.info(f"Connecting to {self.hostname}...") self.ssh_client.connect( hostname=self.hostname, port=self.port, username=self.username, password=self.password, timeout=30, allow_agent=False, look_for_keys=False ) self.logger.info("SSH connection established") return True except Exception as e: self.logger.error(f"Connection failed: {str(e)}") return False

# Action arguments parser.add_argument('--backup-all', action='store_true', help='Complete backup') parser.add_argument('--running-config', action='store_true', help='Download running config only') parser.add_argument('--startup-config', action='store_true', help='Download startup config only') parser.add_argument('--list-flash', action='store_true', help='List flash files') parser.add_argument('--download-asdm', action='store_true', help='Download ASDM image') parser.add_argument('--download-file', help='Download specific file from flash')

class CiscoASADownloader: def (self, hostname, username, password, port=22): self.hostname = hostname self.username = username self.password = password self.port = port self.ssh_client = None self.setup_logging()

def download_file_via_scp(self, remote_path, local_path): """Download file using SCP""" try: with SCPClient(self.ssh_client.get_transport()) as scp: self.logger.info(f"Downloading {remote_path} via SCP...") scp.get(remote_path, local_path) self.logger.info(f"File saved to: {local_path}") return True except Exception as e: self.logger.error(f"SCP download failed: {str(e)}") return False

def download_running_config(self, destination_path): """Download running configuration""" self.logger.info("Downloading running configuration...") config = self.execute_command("show running-config") if config: filename = os.path.join(destination_path, f"running_config_{self.hostname}.cfg") with open(filename, 'w') as f: f.write(config) self.logger.info(f"Running config saved to: {filename}") return filename return None

args = parser.parse_args()

This feature provides secure, automated backup capabilities for your Cisco ASA 5506-X with comprehensive logging and error handling.

def download_crypto_keys(self, destination_path): """Download crypto keys and certificates""" self.logger.info("Exporting crypto information...") crypto_data = [] commands = [ "show crypto key mypubkey rsa", "show crypto ca certificates", "show crypto ca trustpool" ] for cmd in commands: output = self.execute_command(cmd) if output: crypto_data.append(f"\n{'='*60}\nCommand: {cmd}\n{'='*60}\n") crypto_data.append(output) if crypto_data: filename = os.path.join(destination_path, f"crypto_info_{self.hostname}.txt") with open(filename, 'w') as f: f.writelines(crypto_data) self.logger.info(f"Crypto info saved to: {filename}") return filename return None

pip install -r requirements.txt # Complete backup (configurations + crypto + file listing) python asa_downloader.py --host 192.168.1.1 --username admin --password secret --backup-all Download only running configuration python asa_downloader.py --host 192.168.1.1 --username admin --password secret --running-config Download specific file from flash python asa_downloader.py --host 192.168.1.1 --username admin --password secret --download-file /asdm-771.bin List files in flash memory python asa_downloader.py --host 192.168.1.1 --username admin --password secret --list-flash Download ASDM image python asa_downloader.py --host 192.168.1.1 --username admin --password secret --download-asdm Alternative: Using SCP Directly (No Python) # Enable SCP on ASA first: # ssh scopy enable # username admin password secret # aaa authentication ssh console LOCAL Download running config via SCP scp admin@192.168.1.1:running-config ./running-config-backup.cfg Download ASDM image scp admin@192.168.1.1:/asdm-771.bin ./ Download startup config scp admin@192.168.1.1:startup-config ./startup-config-backup.cfg ASA Pre-Configuration Required ! Enable SSH and SCP on ASA crypto key generate rsa modulus 2048 ssh 0.0.0.0 0.0.0.0 outside ssh scopy enable username admin password YourPassword aaa authentication ssh console LOCAL username admin attributes privilege-level 15 ! Enable HTTP/HTTPS for ASDM (if needed) http server enable http 192.168.0.0 255.255.255.0 inside

def list_flash_files(self): """List files in flash memory""" self.logger.info("Listing flash files...") output = self.execute_command("show flash:") if output: print("\nFlash Files:") print("=" * 60) print(output) return output return None

# Create output directory os.makedirs(args.output, exist_ok=True)

def setup_logging(self): logging.basicConfig( level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s', handlers=[ logging.FileHandler(f'asa_download_{datetime.now().strftime("%Y%m%d_%H%M%S")}.log'), logging.StreamHandler() ] ) self.logger = logging.getLogger(__name__)