IPSec / SSL VPN

Upgrade Juniper SA cluster

René Jorissen on January 26, 2010 0 Comments • Tags: #active #activepassive #activestandby #cluster #howto #ive #juniper #mag #passive #sa #standby #upgrade

Add On: This procedure also works for the new Juniper MAG appliances. But keep in mind during the upgrade of the second host (and also the first): BE PATIENT!! A Juniper SA cluster can be configured as active/active or active/standby cluster. An active/active cluster uses an external load balancer or DNS round-robin to enable load-sharing … Read More

Routing

Troubleshooting EIGRP

René Jorissen on June 25, 2008 0 Comments • Tags: #active #black #default-metric #eigrp #hold #hole #in #metric #neighbors #out #redistribute #retransmit #rto #stuck #summary #table #time #topology #troubleshooting

To troubleshoot EIGRP you should obvious have a grasp understanding of the specific routing protocol. Of course this doesn’t only apply to the EIGRP routing protocol. Troubleshooting the EIGRP routing protocol on a Cisco devices is mainly about logging the correct information to a syslog server, the buffer or the console and know what the … Read More

Firewalling

Cisco Firewall Design and Deployment

René Jorissen on June 25, 2008 0 Comments • Tags: #access #active #asa #bridging #context #dynamic #fwsm #mixed #mode #multi-context #multicast #multiple #protocol #redundancy #redundant #remote #routed #routing #site-to-site #standby #transparant #virtualization #vpn

The session about firewall design and deployment didn’t reveal a lot of new things about the Cisco ASA appliance or FWSM module. The only new thing for me was the possibility to configure a redundant interface for a Cisco ASA appliance. The screen shot below shows the cabling scheme for an implementation with and without … Read More

Mail relaying, Other stuff..., Proxy

PDA Active Sync – Invalid Certificate

René Jorissen on June 12, 2008 2 Comments • Tags: #active #certificate #disable #invalid #is #isa #on #pc #pda #pocket #proxy #reverse #server #ssl #sync #the

The usage of Pocket PCs (PDAs) becomes more and more a default feature for business. The last months I have installed quit some Windows ISA 2006 servers for Reverse Proxy purposes. I have installed them normally for webmail only, but lately I have added the Microsoft Active Sync feature. The Pocket PCs connect to the … Read More

Other stuff...

Exchange 2007 with ISA 2006

René Jorissen on May 5, 2008 2 Comments • Tags: #2006 #2007 #access #active #exchange #isa #isaserverorg #ldaps #microsoft #outlook #owa #publish #radius #server #sync #web

Today I have be working on publishing Microsoft Exchange Outlook WebAccess and Active Sync to the Internet. We had some discussions with some Microsoft Consultants about a secure way to publish Outlook Web Access to the Internet, especially the authentication part of such a solution. Some people are talking about publishing OWA directly to the … Read More