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Category: VyOS Platform Blog | ipsec

Christian Pössinger
Posted 31 Oct, 2021

Using DMVPN and BGP to interconnect your sites

Hello, Community! Some weeks ago a very close friend of mine approached me and asked about an issue in his VyOS installation. He is using several WireGuard tunn...
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Taras Pudiak
Posted 15 Aug, 2021

Automation for VyOS in Microsoft Azure Cloud

Hello, People! Microsoft Azure is one of the biggest cloud service providers nowadays. VyOS is featured as Microsoft preferred solution and many Azure users are...
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Christian Pössinger
Posted 1 Aug, 2021

PKI and IPSec IKEv2 remote-access VPN

Hello! VyOS was always strong in supporting a multitude of different VPN techniques ranging from old school IPsec site-to-site/DMVPN setups to new kids on the b...
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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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