VyOS Platform Blog

On security of GRE/IPsec scenarios

As we've already discussed, there are many ways to setup GRE (or something else) over IPsec and they all have their advantages and disadvantages. Recently an issue was brought to ...

IP tunnels I have known and loved

02/23/18 12:26 By: Daniil Baturin

Today we'll talk about the "classic" IP tunneling protocols. GRE is often seen as a one size fits all solution when it comes to classic IP tunneling protocols, and for a good ...

Setting up GRE/IPsec behind NAT

01/19/18 16:00 By: Daniil Baturin

In the previous posts of this series we've discussed setting up "plain" IPsec tunnels from behind NAT. The transparency of the plain IPsec, however, is more often a curse than a ...