September, 2017

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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