jim – Page 3 – InfoTechGuy

F5 BIGIP — Configuring the F5 AOM (Always On Management) interface

The F5’s AOM (Always On Management) interface module is one of the fundamental administrative features offered by BIGIP appliances. If you are familiar with System or Blade management devices, it is the similar to ILO...

May 6, 2014 by jim F5

Windows — VBscript IP Blocklist to Cisco ASA access-list

**This article is old, see new Blocklist2ACL 2.0 project.** Hi folks! A little script I wrote with VBscript that pulls in IP blocklists from different third party URLs and converts them in to well-formatted Cisco...

April 12, 2014 by jim Windows

What the IPSEC are you talking about?

What is IPsec? Most of the time when we are trying to establish a site-to-site or LAN-to-LAN connectivity between two independent parties over an untrusted medium we rely on IPsec. Internet Protocol Security (IPSec) is...

April 10, 2014 by jim General Security

Linux — Reset ethX naming for Ubuntu/Debian

I stumbled across this issue a long time ago and it is still present today. Adding or removing NIC’s from a Linux box, or even replacing them renumbers or messes with the numbering for each...

March 5, 2014 by jim Linux

Reset Windows Administrator and the Linux Root passwords with Pictures!!

Resetting the Windows administrator’s password or Linux root account password is a common troubleshooting practice when faced with systems infected with mailware, data corruption, and system recoveries. This article does not prompt malicious use, but...

January 19, 2014 by jim General Security

Creating a Public DNS Server and advertising an Authoritative Domain

Hi All, so you’ve probably heard of goDaddy.com to register DNS names publicly. However have you ever done a dig or nslookup on your registered name? It probably returns the name you queryied and the...

January 17, 2014 by jim General Networking

F5 BIGIP — iRule Block URI for external Client’s only

So, I had a cool question asked to me today regarding an F5 VIP used by a web application. “Can we block a certain URI from external client’s but allow internal client’s to visit it?”...

January 9, 2014 by jim F5

Linux — Fibre Channel SCSI Target using SCST

Fibre channel or Fiber Channel is also another way to present SCSI devices over a network medium using a complete different protocol suite then my previous article on iSCSI. With Fiber Channel transfer speeds and...

December 20, 2013 by jim Linux

Cisco ASA 5505 Memory Upgrade

Hi Folks! So I was trying to update my Cisco ASA 5505 my buddy gave me from version 8.2 to 9.1. However upon reloading the device with the new 9.1 image file I got a...

December 1, 2013 by jim Cisco

F5 BIGIP — Alternative using HAProxy and keepalived — Part 2

Okay we’re back!! Welcome to Part#2. If you’ve read my last post in this high availability and load balancing series(Part#1) you understand the need for HAProxy to complete our setup. If you recall, I am...

November 5, 2013 by jim F5