Antwort:

See the Explanation below for detailed answer.
Explanation:
Here is the step-by-step solution to modify the security policy file as required.
Navigate to the desktop and open the file Security Policy.txt (which corresponds to the provided Security Policy.bak content) using a text editor like Notepad.
Modify the file content by replacing the xxxxx and xxxx placeholders according to the security requirements.
Modifications by Rule
Here are the specific changes to make within the file:
1. Quarantine Rule
Requirement 1 (No Logging): The quarantine rule should not be logged.
Change "is_policy_hitlog_enabled": "xxxxx" to "is_policy_hitlog_enabled": "false" Requirement 2 (Enforce): This rule must be enforced.
Change "action": "xxxxx" (under quarantine_rule) to "action": "APPLY"
Requirement 3 (Environment): The rule must affect the "SecOps" environment.
Change "Environment": ["xxxxx"] to "Environment": ["SecOps"]
2. SMB-block Rule
Requirement 1 (Logging): This rule must be logged.
Change "is_policy_hitlog_enabled": "xxxxx" to "is_policy_hitlog_enabled": "True" Requirement 2 (Monitor): This rule must not be enforced, only logged.
Change "action": "xxxxx" (under isolation_rule) to "action": "MONITOR"
Requirement 4 (Tags): The rule must affect the "smbhost" and "smbclient" tags.
Change "SMBv1": ["xxxxx"] to "SMBv1": ["smbhost"]
Change "SMRv1": ["xxxxx"] to "SMRv1": ["smbclient"]
3. DN test (dn-policy1) Rule
Requirement 2 (Monitor): This rule must not be enforced, only logged.
Change "action": "xxxx" (under app_rule) to "action": "MONITOR"
Requirement 5 (Allow IPv6): This policy must allow IPv6 traffic.
Change "allow_ipv6_traffic": "xxxx" to "allow_ipv6_traffic": "True"
Final Step
After making all the replacements, Save the file, overwriting the original Security Policy.txt on the desktop.
Example of completed rules (replace xxxxx accordingly):
Rule Name: Quarantine Rule
Logged: false
Action: APPLY
Environment: SecOps
Protocols: TCP
Ports: 8080
Rule Name: SMB Rule
Logged: True
Action: MONITOR
Tags: smbhost, smbclient
Protocols: TCP
Ports: 8080
Rule Name: DN Test Policy
Logged: True
Action: MONITOR
Environment: Non-Prod
Protocols: ALL
Ports: 8080

Antwort:

See the Explanation for step by step solution.
Explanation:
To configure the environment to satisfy the requirement of implementing a security policy named Staging_Production, such that no VM in the Staging Environment can communicate with any VM in the production Environment, you need to do the following steps:
Log in to Prism Central and go to Network > Security Policies > Create Security Policy. Enter Staging_Production as the name of the security policy and select Cluster A as the cluster.
In the Scope section, select VMs as the entity type and add the VMs that belong to the Staging Environment and the Production Environment as the entities. You can use tags or categories to filter the VMs based on their environment.
In the Rules section, create a new rule with the following settings:
Direction: Bidirectional
Protocol: Any
Source: Staging Environment
Destination: Production Environment
Action: Deny
Save the security policy and apply it to the cluster.
This will create a security policy that will block any traffic between the VMs in the Staging Environment and the VMs in the Production Environment. You can verify that the security policy is working by trying to ping or access any VM in the Production Environment from any VM in the Staging Environment, or vice versa.
You should not be able to do so.

Antwort:

See the Explanation below for detailed answer.
Explanation:
Here is the step-by-step solution to generate the Certificate Signing Request (CSR) on Cluster 1.
This entire process is performed from an SSH session connected to a CVM (Controller VM) on Cluster 1.
1. Access Cluster 1 CVM
* From Prism Central, navigate to Hardware > Clusters and click on Cluster 1 to open its Prism Element (PE) interface.
* In the Cluster 1 PE, navigate to Hardware > CVMs to find the IP address of any CVM in the cluster.
* Use an SSH client (like PuTTY) to connect to the CVM's IP address.
* Log in with the admin user and password.
2. Create the Configuration File (.cnf)
To include the Subject Alternative Names (SANs), you must first create a configuration file.
* In the CVM's command line, create the .cnf file using a text editor:
vi prism_element_acme.cnf
* Press i to enter "Insert" mode.
* Paste the following text exactly into the editor:
Ini, TOML
[ req ]
default_bits = 2048
distinguished_name = req_distinguished_name
req_extensions = v3_req
prompt = no
[ req_distinguished_name ]
C = US
ST = North Carolina
L = Durham
O = ACME
OU = Infrastructure
CN = prism_element.ACME.org
emailAddress = [email protected]
[ v3_req ]
subjectAltName = @alt_names
[ alt_names ]
DNS.1 = cvm1.ACME.org
DNS.2 = cvm2.ACME.org
DNS.3 = cvm3.ACME.org
* Press Esc to exit "Insert" mode, then type :wq and press Enter to save and quit vi.
3. Generate the CSR and Key
* Run the following openssl command. This command uses the .cnf file to generate the new CSR (.csr) and a corresponding private key (.key), applying the sha256 encryption as requested.
Bash
openssl req -new -nodes -out prism_element_acme.csr -keyout prism_element_acme.key -config prism_element_acme.cnf -sha256
* The command will output the following, confirming the key generation:
* Generating a 2048 bit RSA private key
* ...................+++++
* ..................................+++++
* writing new private key to 'prism_element_acme.key'
* -----
4. Save Files to the Desktop
You will now copy the contents of the generated files from the CVM to your desktop.
* For Task 5.txt (Commands and Output):
* Open a new Notepad file on the desktop.
* Copy and paste all the commands you ran in the SSH session and their full output (as shown in steps 2 and 3) into this file.
* Save the file on the desktop as Task 5.txt.
* For prism_element_acme.cnf:
* In the CVM SSH session, display the file's content:
cat prism_element_acme.cnf
* Copy the entire text output (starting from [ req ]).
* Open a new Notepad file on the desktop.
* Paste the content and save the file as prism_element_acme.cnf.
* For prism_element_acme.csr:
* In the CVM SSH session, display the file's content:
cat prism_element_acme.csr
* Copy the entire text output, including the -----BEGIN CERTIFICATE REQUEST----- and ----- END CERTIFICATE REQUEST----- lines.
* Open a new C:\Users\admin\Desktop\Notepad file on the desktop.
* Paste the content and save the file as prism_element_acme.csr.