Hello Folks, 

Have someone ever tried to deploy a pfsense or any other virtual firewall 
appliance under a VPC to extend the security feature. Let’s say if I want to 
use site-to-site between my tiers and remote destination and I don’t want to 
use VR for site-to-site. Has someone tried that scenario ?

Let me give an use case, I have a VPC with multiple Tier and VMs running, I am 
using a old version of CloudStack 4.7.1  with XenServer 7.0 in this we don’t 
have options to choose  options like  IKE Hash SHA256,384,512 and same for ESP 
Hash , IKE DH group 14,15,16 ( which is pretty much available in 4.13 ).  So I 
want to establish a site-2-site using these security parameters which doesn’t 
exist in my version of CloudStack. Is there any way to achieve it for my older 
version ? So I wanted to check if someone has worked on this scenario and use 
any third party firewall appliance. 



Vivek Kumar


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