Note: Replace <security-group-id> with the actual ID of the security group that was updated.
Repeat the above steps for all the security groups in your AWS account to ensure that unrestricted FTP access is not allowed in any of them.
By following the above steps, you can remediate the unrestricted FTP access issue in AWS using AWS CLI.
Using Python
To remediate unrestricted FTP access in AWS, you can use the following steps in Python:Step 1: Identify the Security Group with unrestricted FTP access
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import boto3aws_account_id = 'YOUR_AWS_ACCOUNT_ID'region = 'YOUR_AWS_REGION'ec2 = boto3.client('ec2', region_name=region)response = ec2.describe_security_groups()for sg in response['SecurityGroups']: for ip_permission in sg['IpPermissions']: if 'FromPort' in ip_permission and ip_permission['FromPort'] == 21 and 'IpRanges' in ip_permission: for ip_range in ip_permission['IpRanges']: if ip_range['CidrIp'] == '0.0.0.0/0': print('Security Group ID: ', sg['GroupId'])
This code will list all the security groups that have unrestricted FTP access.Step 2: Update the Security Group to restrict FTP access
This code will restrict FTP access to the specified security group.Step 3: Verify that FTP access is restricted
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import sockets = socket.socket(socket.AF_INET, socket.SOCK_STREAM)s.settimeout(5)try: s.connect(('FTP_SERVER_IP', 21)) print('FTP access is still unrestricted')except: print('FTP access is restricted')s.close()
This code will verify that FTP access is restricted by attempting to connect to the FTP server. If the connection fails, it means that FTP access is restricted.