Category: Configuration Example
OpenSSL & Cygwin – Certificate Authority
I am using OpenSSL in conjunction with Cygwin on my Windows laptop to generate Certificate Signing Request and other SSL certificate related issues. Today I configured my own Certificate Authority, using the following guideline. Preparations First I created some directories, like shown below: mkdir /home/sslCAcd /home/sslCAmkdir certs private newcerts Next I created a serial file … Read More
Cisco banners with SSH
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
Microsoft CA certificate validity period
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
Juniper SA – Host Checker
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
Configuration Example, IPSec / SSL VPN
Juniper SA & GroupWise WebAcc SSO
While configuring a Juniper SA2500 in conjunction with Novell GroupWise WebAccess, the customers wanted single sign on (SSO) configured. The default Novell GroupWise WebAccess login page uses FBA (Forms Based Authentication). So it should be possible to push the correct POST parameters to enable SSO for GroupWise WebAccess. I started with looking at the page … Read More
802.1Q between Catalyst 3750 en PowerConnect 6226
Configuring a 802.1Q connection isn’t that difficult, but you need to know the command line interface and the appropriate commands. Today I configured a 802.1Q connection between a Cisco Catalyst 3750G and a Dell PowerConnect 6226, while configuring I played a little with the trunking options on the PowerConnect and I noticed the following: The … Read More