First, we need to disable a few security settings. Start the process by running PowerShell on Admin mode. Run each snippet on the console. We need to enable TLS 1.2 on PowerShell: [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 Set the execution policy to run scripts: Set-ExecutionPolicy -ExecutionPolicy Unrestricted Install the PowerCli module, creating a destination folder for it first: Save-Module -Name … Read More
If you are experiencing issues with your Dell server, and in the iDRAC logs you are receiving these errors: CPU0000 Internal error has occurred check for additional logs PWR2270 The Intel Management Engine has encountered a Health Event It’s caused by the power states on the BIOS configuration of the servers. This can occurr regardless of the hypervisor or … Read More
Having to rely on Windows VPNs sometimes can be tricky, especially if the VPN tunnel times out. We can use this script for monitoring the tunnel and reconnecting automatically whenever it goes down. We are using the password for the VPN encrypted as seen on this post. $ip = “192.168.5.1” $result = gwmi -query “SELECT * FROM Win32_PingStatus WHERE Address … Read More
Sometimes you may need to connect to AWS environments with MFA enforced using AWS CLI. If you don´t authenticate with MFA, you got high probabilities to obtain a denied access. With this process, you will be able to authenticate with MFA over CLI. 1-Connect to AWS CLI. >$ aws configure >AWS Access Key ID: Your access key >AWS Secret Access … Read More
This will work for most Windows releases, it will force the OS to update its time sync against an NTP server. Run the following commands on a Powershell window: w32tm /config /manualpeerlist:time.nist.gov /syncfromflags:MANUAL Stop-Service w32time Start-Service w32time After running those commands, force the sync: w32tm /resync Check w32tm status: w32tm /query /status
After the latest Java updates you may have seen this message “Network connection has dropped” whenever trying to use viewer.jnlp Go to your Java release lib folder, and comment/change the following lines on your java.security file jdk.tls.disabledAlgorithms=SSLv3, RC4, MD5withRSA, DH keySize < 1024, \ EC keySize < 224, DES40_CBC, RC4_40 This issue is caused by Java disabling 3DES_EDE_CBC – after making … Read More
Microsoft Exchange appears to be currently vulnerable to a privilege escalation attack that allows any user with a mailbox to become a Domain Admin. On Thursday, Dirk-jan Mollema, a security researcher with Fox-IT in the Netherlands, published proof-of-concept code and an explanation of the attack, which involves the interplay of three separate issues. According to Mollema, the primary problem is that Exchange has … Read More
To prevent exposing your device from WAN, which is the default, get to the GUI or SSH locally and run these commands. Change the addresses as needed. configure set service gui listen-address 192.168.20.1 set service ssh listen-address 192.168.20.1 commit save exit
Sometimes we can mount a VHDX that had its checkpoints saved on another location. When trying to boot the VM we will have a “Property ‘MaxInternalSize’ does not exist in class ‘Msvm_VirtualHardDiskSettingData’.” This is because the disk properties have changed and the VM is linking the checkpoint back to its parent, making the chain corrupted. To remediate this, we will … Read More
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