Upgrading vSphere ESXi Hosts (Including HP and Dell)
KB ID 0001343 Problem Before you think about upgrading your hosts, you should upgrade your vCenter, Upgrade vSphere vCenter Appliance Assuming that’s all done, your task now is to upgrade your hosts, if you have a vanilla VMware ESXi version installed. You COULD simply SSH into the host, and execute the following commands; esxcli network firewall ruleset set -e true -r httpClient esxcli software profile install -p...
Stacking (VSF) Aruba Switches
KB ID 0001492 I noticed some shiny Aruba switches on the bench today, they were for a job my colleague is working on. (Note: Each switch in a stack should be the same model, so these will need two stacks!) I work on the occasional HP/Aruba core switch, but it’s been a while since I did any work on distribution switches like these. The first thing I learned, was there’s no dedicated stacking cable for them. They simply use...
Factory Reset a Cisco Firewall
KB ID 0000007 Problem You want to wipe the firewall’s config and revert to the factory settings (passwords blank – management or inside set to 192.168.1.1 and DHCP enabled, with all other settings wiped). Solution 1. Connect to the ASA via the console Cable. CLICK HERE 2. log in and go to configure terminal mode. 3. Execute the following command “config factory-default” 4. Press the space bar a few times to execute the...
VMware View Connection Server – Stop Session timeouts
KB ID 0000605 Problem For security reasons, the VMware View Administrator will timeout after a short period of inactivity, and you will see the following. Server Error Your session has timed out. Please log in again. Click OK to be redirected to the login screen. However if you work in the console a lot, this can get quite annoying. Solution From within the View Administrator console > View Configuration > Global settings >...
Windows Update Fails
KB ID 0000359 Problem There are a LOT of different reasons for Windows Updates to fail, I can’t cover every eventuality, but there a a few common steps to try. Solution 1. As soon as the updates fail you should get an Error Message, that should point you in the right direction. Update Error Code 80200011 2. If you error code matches one of these… Code Error Description 0x80070002 ERROR_FILE_NOT_FOUND The system cannot find...
Exchange – Failed to mount database(hr=0x80040115, ec=-2147221227)
KB ID 0000664 Problem The Exchange server on my test network stopped working, the mailbox database was not mounted. When I attempted to mount it: ——————————————————– Microsoft Exchange Error...
Cisco ASA – Enable Split Tunnel for Remote Clients
KB ID 0000066 Problem This is a simple job to do from command line, however the world is full of people who would rather spend an hour in the ASDM working out how to do it! So I’ve included both methods. What is split tunneling? This is the process of letting a remote VPN user browse the web, and access local resources etc, from their location whilst connected to your VPN in this case via SSLVPN, but also from WebVPN or IPSEC...
Cannot Access / Open ASDM
KB ID 0000458 Problem Out of the box Cisco PIX/ASA devices should have a working ASDM. This config can get broken over time, and also there are a few things that can trip you up on your client machine. Solution Make sure the client machine you are using is not the problem 1. The ASDM runs using Java make sure the machine has Java installed. Note: If you are using Java version 7 Update 51 see the following article. Unable to Access...
Why Do You Need Anti-Phishing Software?
KB ID 0001491 Written By: Joseph Gojo Cruz The basic steps you use in protecting your computer, such as an antivirus program, are important in avoiding phishing scams. Additional security measures include reviewing SSL certificates, building a firewall, and implementing an anti-phishing software. An anti-phishing software helps you test your employees on how they will react when there’s a phishing attack. In using an anti-phishing...
Convert ASA 5500-X To FirePOWER Threat Defence
KB ID 0001490 Problem I’m seeing more and more people asking questions in forums about FTD, so I thought it was about time I looked at it. Cisco ASA 5500-X firewalls can now be re-imaged to run the FTD software. The thinking is that the FTD will merge the Cisco ASA product and the FirePOWER product into one unified operating system. Then that is managed by FDM (FirePOWER Device Manager), basically a web management GUI. Solution...