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.

Configuration Example

Cisco banners with SSH

René Jorissen on July 31, 2009 • 0 Comments • Tags: #banner #correctly #displaying #exec #login #motd #not #secure #showing #ssh #telnet #variable

When configuring a Cisco device I always configure some kind of banner, which is displayed when logging in. This banner contains some information, like security warnings and general information. There are different kind of banners. exec: display a banner before displaying the enable prompt; login: display a banner before the password login prompt when accessing … Read More

Security

RSA 7.1 supported under ESX 3.5

René Jorissen on July 23, 2009 • 7 Comments • Tags: #35 #71 #esx #rsa #support #vmware

More and more people would like to implement OTP (One Time Password) solutions. RSA is one of multiple vendors for OTP solutions. I also notice the wish to implement and support OTP with on-demand tokens, like SMS and e-mail. RSA supports on-demand tokens, but the minimum RSA Authentication Manager version required is 7.1. Not only … Read More

Other stuff...

REAL fun with the Nintendo Wii

René Jorissen on June 15, 2009 • 4 Comments

I really enjoy playing on the Nintendo Wii, but the games aren’t very cheap. To overcome this problem, I spent the whole weekend on hacking/soft modding my Wii and I succeeded. From now on I can start downloading my favorite games, instead of spending lots of money. I have the option to boot my games … Read More

Configuration Example

Microsoft CA certificate validity period

René Jorissen on June 15, 2009 • 0 Comments • Tags: #ca #certificate #client #microsoft #period #registry #validity

Using a Microsoft CA is very common in network to issue self-signed certificates. Last week I had to configure a Windows IIS server with client certificate authorization. Remote people (non Active Directory users) need a client certificate to browse to a specific website. The communication between the remote user and the website is secure by … Read More

Configuration Example, Proxy

Juniper SA – Host Checker

René Jorissen on May 19, 2009 • 0 Comments • Tags: #check #checker #file #host #juniper #linux #mac #os #predefined #sa #scanner #virus #windows #x

Security is getting more and more important for people. I notice that especially IT manager would like to implement some kind of security measurements to improve the safety of their network and data. Lately I have been busy with configuring a Juniper SA solution. The customer wants to publish different kind of services through the … Read More

IPSec / SSL VPN

Juniper SA & Terminal Service with JavaRDP

René Jorissen on May 12, 2009 • 4 Comments • Tags: #java #javardp #juniper #rdp #sa #service #terminal

Today I tried to configure a JavaRDP as fallback Terminal Services method on the Juniper SA appliances. It took me some time and with help of my colleague, I finally got it working. Even with Single Sign On to the Terminal Server. First of all, you need to upload a new Java applet. The Java … Read More