Category: networking

  • How to test CAS SAML using soapUI

    Overview Recent versions (I believe 3.2 or older) of Central Authentication System (a.k.a. CAS) include Security Assertion Markup Language (a.k.a. SAML) support, out of the box. The beauty if it is that it is already “there” accessible through the URL ‘/cas/samlValidate’ instead of the usual ‘/cas/serviceValidate’. One thing to be noted is that it is […]

  • How to define shorewall rules to allow VRRP traffic

    It is essential for routers that implement the Virtual Router Redundancy Protocol to be able to communicate with each other. As the protocol defines, the master router needs to send multicast packets to the whole subnet and of course, the rest of the backup routers need to receive this announcements otherwise they will think that […]