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Category: VyOS Platform Blog | ipsec

Daniil Baturin
Posted 6 Aug, 2018

VyOS 1.2.0 development news in July

Despite the slow news season and the RAID incident that luckily slowed us down only for a couple of days, I think we've made good progress in July. First, Kim H...
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Daniil Baturin
Posted 27 Apr, 2018

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 is...
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Daniil Baturin
Posted 1 Feb, 2018

Interaction between IPsec and NAT (on the same router)

I've just completed a certain unusual setup that involved NATing packets before they are sent to an IPsec tunnel, so I thought I'll write about this topic. Even...
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Daniil Baturin
Posted 19 Jan, 2018

Setting up GRE/IPsec behind NAT

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 oft...
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Daniil Baturin
Posted 12 Jan, 2018

How to setup an IPsec connection between two NATed peers: using id's and RSA keys

In the previous post from this series, we've discussed setting up an IPsec tunnel from a NATed router to a non-NATed one. The key point is that in the presence ...
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Daniil Baturin
Posted 5 Jan, 2018

Why IPsec behind 1:1 NAT is so problematic and what you can do about it

Not so long ago the only scenario when the issues with IPsec and NAT could arise was a remote access setup, while routers invariably had real public addresses a...
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