Author: René Jorissen

René Jorissen works as Solution Architect for QMonkeys in the Netherlands. Network Infrastructures are the primary focus. René works with equipment of multiple vendors, like HPE Networks, FortiNet, SentinelOne, Phished, Holm Security, Microsoft services and many more. René is Aruba Certified Edge Expert (ACEX #26), Aruba Certified Mobility Expert (ACMX #438), Aruba Certified ClearPass Expert (ACCX #725), Aruba Certified Design Expert (ACDX #760), CCNP R&S, FCNSP and Certified Ethical Hacker (CEF) certified. You can follow René on Twitter and LinkedIn.

Proxy

Citrix WebInterface 5.3 on IIS7

René Jorissen on September 7, 2010 • 1 Comment • Tags: #net #2008 #53 #7 #92 #anerroroccurredwhiletryingtoaccesstherequestedresource #iis #iis7 #netscaler #webinterface #wi

While configuring a Citrix NetScaler 9.2 in conjunction with WebInterface 5.3 I received the following error message when executing a published application. An error occurred while trying to access the requested resource. I thought to myself….no problemo, since I blogged about this problem before (source). This solution didn’t help. After changing the RequireLaunchReference value I … Read More

Configuration Example, Security

Tunneling sessions via Plink

René Jorissen on August 25, 2010 • 1 Comment • Tags: #plink #ssh #tunnel

Plink stands for PuTTY Link and is a command-line connection tool similar to Unix ssh. As a networking consultant I often need to support customers from remote locations. Access to their networking equipment is mostly blocked from unknown locations. Sometimes it is allowed to directly access networking equipment, like a company firewall, from a known … Read More

Configuration Example

Cacti – Superlinks not working

René Jorissen on August 18, 2010 • 0 Comments • Tags: #cacti #superlinks

After upgrading Cacti, like shown in the previous post, the Superlinks plugin stopped working correctly. When opening a Superlink tab I got a blank page in Google Chrome or a half page in Internet Explorer and Opera, like shown below. After some Googling I found the solution for this problem on a Cacti forum. The … Read More

Configuration Example, Management

Upgrade Cacti 0.8.x

René Jorissen on August 18, 2010 • 3 Comments • Tags: #cacti #cactiez #upgrade

A lot of people use the CactiEZ virtual appliance to install a running Cacti environment. The latest CactiEZ virtual appliance (CactiEZ v0.6) uses Cacti v0.8.7c with Plugin Architecture 2.2. Of course a lot of people are developing Cacti and the latest stable version is Cacti v0.8.7g with Plugin Architecture 2.8. I always have trouble with … Read More

Other stuff...

STP successor – CiscoNL

René Jorissen on August 16, 2010 • 0 Comments

I just watched a online movie on the CiscoNL – Technology site about the successor for Spanning Tree Protocol in the near future. The movie can be found here (language: Dutch).

Management

Cisco Virtual Com

René Jorissen on July 28, 2010 • 0 Comments • Tags: #cisco #com #console #usb #virtual

It took some time, but Cisco started to migrate from the blue RJ-45 based console cable to an USB based console cable. The latest types of routers and switches are equipped with both types of connections or only with the USB based connection, like the new IBM blade switches. The picture below shows the console … Read More