Other stuff...

MobileIron – replace SSL certificate

René Jorissen on February 1, 2018 4 Comments • Tags: #certificate #core #mobileiron #replace #sentry #ssl

Something completely different: changing the SSL certificate on MobileIron Core and Sentry. In total, I had to replace 5 certificates. 4 certificates are replaced via the Core web interface and 1 certificate needs to be replaced via the Sentry web interface. Core Within the Core web interface you have to change the certificated in two … Read More

Management, Security

NetScaler VPX – management certificate

René Jorissen on October 9, 2015 0 Comments • Tags: #certificate #management #netscaler #ssl #vpx

I would like to upgrade my current NetScaler VPX Express configuration via GUI. For some security reason Internet Explorer and FireFox aren’t able to access the GUI. They return the error message that the NetScaler is using a wrong SSL certificate. The default SSL self-signed certificate is installed on the appliance. I have uploaded a … Read More

Firewalling, Security

ISA Server 2006 array – renew certificate

René Jorissen on May 23, 2011 0 Comments • Tags: #2006 #array #authenticate #certificate #channel #configuration #encrypted #isa #renew #server #ssl #storage

When configuring a Microsoft ISA Server 2006 array you have two options for authentication and communication between the Microsoft ISA 2006 Configuration Storage Server and the array members. Windows Authentication: Choose this option if ISA server and the Configuration Storage server are in the same domain, or in different domains with a trust relationship between … Read More

Management

Cisco ASA: web interface not working

René Jorissen on December 14, 2010 23 Comments • Tags: #113 #algorithms #common #encryption #error #net::err_ssl_version_or_cipher_mismatch #no #ssl

I had to troubleshoot a Cisco ASA today, where the client wasn’t able to connect to the management web interface anymore via https. The customer didn’t install ASDM locally, but always starts the Java-based version. After upgrading the Cisco ASA to software version 8.2(1) and a reboot, the client wasn’t able to connect to the … Read More

Configuration Example, IPSec / SSL VPN

Citrix NetScaler: Protocol Driver Error

René Jorissen on April 20, 2010 1 Comment • Tags: #aaa #driver #error #ica #maxaaausers #parameter #protocol #set #ssl #sta #vpn

Today I have been troubleshooting a Citrix NetScaler configuration, where some clients received the Protocol Driver Error message when executing a published application. This error message is mostly related to a wrong configuration of the Security Ticket Authorities (STA’s). I spent a lot of time troubleshooting this issue and focused on the STA configuration. I … Read More

Configuration Example, Security

Configure IOS SSL VPN on IOS router

René Jorissen on February 11, 2010 4 Comments • Tags: #anyconnect #client #context #forwarding #ios #port #ssl #thin #vpn #webvpn

Yesterday I blogged about configuring a VPN client on an IOS router and today I blogged about importing PKCS12 certificates for WebVPN purposes. This follow up blog is about configuring the WebVPN functionality together with the AnyConnect client and port forwarding on an IOS router. I use the same setup as with the VPN client … Read More