Retrospectively Check which VMs Migrated during HA Failover

October 23, 2017 Jordansphere VMware

Issue: An ESXi server crashed invoking HA. I wanted to check which VMs had restarted and on what host so I could check they were functioning correctly.   Resolution: Thanks to my colleague for the following PowerCLI script: PowerCLI C:\> Connect-VIServer -Server {your_vcenter} -User {your_username} -Password {your_password} PowerCLI C:\> $Date = Get-Date PowerCLI C:\> $HAVMrestartold […]

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Check Uptime on Windows Server

October 17, 2017 Jordansphere Windows

To find the uptime on a windows server Open a command prompt Start -> run -> Cmd Then type:   net statistics server   Find Statistics since line:   This tells you when the server was last rebooted.

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Upgrade Firepower Management Center (FMC)

October 13, 2017 Jordansphere Cisco

In this example we will be upgrading Firepower Management Center virtual appliance (formerly known as Firesight) from version 6.0.1.3 to 6.1.0-33.  This process needs to take place before the Firepower sensors are upgraded.   Pre-Reqs Ensure you have backups of the FMC. As its virtual I'd also recommend taking a snapshot as well.   Check […]

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Backup Cisco Firepower Management Center (FMC)

October 5, 2017 Jordansphere Cisco

  In this example I will back up the Firepower Management Center. All policies and rules are configured and sent via the FMC so backing up the configuration will mean that sensors can be restored via the FMC – if one ever crashes. Alternatively the sensors will continue to work if there is a problem […]

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Restart VCSA 6.5 Services via CLI Commands

September 25, 2017 Jordansphere Linux

First of all you will need to connect to the VSCA CLI by SSH. Then type shell on the command line: Command> shell To list all services and their state: # service-control –status –all Example output:   To start a service: # service-control –start –{service-name}   In this example I am starting the vpxd service […]

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SMB Signing Disabled

September 15, 2017 Jordansphere security

Problem: On a Nessus PCI Scan SMB Signing Disabled was flagged up as a vulnerability.   Nessus Output: Description Signing is not required on the remote SMB server. An unauthenticated, remote attacker can exploit this to conduct man-in-the-middle attacks against the SMB server. Solution Enforce message signing in the host's configuration. On Windows, this is […]

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New Install of Squid Only Listening on IPv6

September 14, 2017 Jordansphere Linux

Problem: I installed Squid 3.5.20 on a fresh copy of CentOS 7 but the web proxy was not working when I pointed a browser to it.   Troubleshooting:  I could telnet locally to port 3128 but when I tried from another device on the network I was unable to connect, despite opening the port on […]

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Nessus Scan Showing SSLv3 on NS Client

September 13, 2017 Jordansphere Nagios

Problem During a Nessus scan of a network it was showing lots of insecurities with an NSClient configuarion on a windows machine we were monitoring via Nagios. OS: Windows 2016 NSClient: 0.3.x Nagios: 4.0.7   Looking at one particular issue (SSLv2 and SSLv3) showing on the report: Nessus Output: The remote service accepts connections encrypted […]

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Zerto: Disk Resized: Volume Resized for VMs

September 8, 2017 Jordansphere Zerto

Problem: Zerto job started failing with error Needs configuration. Reason: Disk Resized: Volume resized for vms: {VMNAME}   Resolution:   It appears the VM had its disk increased. I tried to force sync but that did not work so the following steps were taken. Edit VPG -> VMs > {Remove desired VM from protection}  -> {Select do […]

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Telnet from Cisco UCS

September 1, 2017 Jordansphere Cisco

Problem: Ciscco UCS was not backing up the configuration via SFTP. I wanted to check I could connect to the backup server from the UCS on port 22 (SSH)   Resolution: Execute the following commands using your desired SSH Client. I have used Putty in this example. 1) SSH to the Cisco UCS and enter […]

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