Configuration Example, IPSec / SSL VPN
OpenVPN ALS
A few days ago I installed and configured the SSL VPN solution OpenVPN ALS, which is a direct descendant of Adito, which has a fork of SSL-Explorer. OpenVPN ALS is a simple to use SSL VPN solution to publish multiple services via browser-based portal. OpenVPN uses Java to publish multiple services. OpenVPN ALS isn’t an … Read More
TrendMicro IWSVA – Built-in groups and policies
While configuring a TrendMicro IMSVA appliance I tried to configure different URL filtering policies using built-in Windows Active Directory groups, like “Domain Users” in conjunction with user/group name authentication. Configuring policies with built-in groups weren’t functioning properly. The policies just weren’t matched, while I knew for sure that the user is a member of the … Read More
Cisco CSC-SSM-20 notes
The Cisco CSC-SSM-20 modules provide advanced scanning technologies within the Cisco ASA firewall. During installations of these modules I created some quick notes, which I would like to share with you. Initial configuration After inserting the Cisco CSC-SSM modules into the Cisco ASA firewall, you have two ways to configure the initial configuration. The first … Read More
Anti-virus / Anti-SPAM, Configuration Example, Proxy
TrendMicro IMSVA – reject unknown recipients via LDAP
With the configuration and implementation of an anti-virus, anti-spam solution, I always check if the security appliance has the option to block unknown recipients via LDAP. This prevents unnecessary e-mail from being sent to the backend servers. While configuring a TrendMicro IMSVA 8.0 I noticed that the LDAP option was available, as shown below. The … Read More
Configuration Example, Routing
Policy-based routing in a nutshell
Lately I received some questions about routing decisions and how to influence the routing decisions via access control lists. The following example shows a simple configuration for policy-based routing. The example uses the following logical setup: I configured two routers and connected each router to two PVC’s on the same ATM interface. I configured one … Read More
Citrix WebInterface 5.3 on IIS7
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