The Sophos XG310 appliance is designed to
provide the optimal balance between
You already have letsencrypt running on your ubuntu server. You want to leverage the Sophos XG WAF (Web Access Firewall) to protect your server You don't want to wait for Sophos to implement Letsencrypt support. May 04, 2018 Does anyone know if it’s possible to set up a Let’s Encrypt cert for use with Sophos firewall appliances? Sophos UTM/XG Firewall Appliances. Oct 18, 2019 Last updated: Oct 18, 2019 The objective of Let’s Encrypt and the ACME protocol is to make it possible to set up an HTTPS server and have it automatically obtain a browser-trusted certificate, without any human intervention.
performance and protection – for diverse
IT environments. These entry-level desktop
firewalls are the ideal choice for budget-
conscious small businesses, retail and small
or home offices. They are available with and without integrated wireless LAN, so you can have an all-in-one network security and hotspot solution without the need for additional hardware. The Intel dual-core technology makes them highly efficient and as they're fanless, they won't add unwanted noise to your office space.
We’ve engineered the XG Firewall to deliver outstanding performance. With 25 Gbps firewall throughput, 5.5 Gbps IPS throughput and 2.5 Gbps VPN throughput, the XG310 effortlessly handles multiple tasks simultaneously. And with an interface designed to eliminate unnecessary complexity, Sophos XG enables you to use the powerful features without needing to become an IT security expert.
The Sophos XG firewall is the ultimate security package. Our appliances are built using Intel multi-core technology, solid-state drives, and accelerated in-memory content scanning. In addition, Sophos FastPath packet optimization technology ensures you'll always get maximum throughput. You get all the next-gen features you need plus features you can’t get anywhere else - including our revolutionary Security Heartbeat™, full web application firewall, and complete email anti-spam, encryption and DLP. No extra hardware. No extra cost. Simply choose what you want to deploy.
Sophos XG Firewall takes an innovative approach across all areas of network security. From the way firewalls are managed, to the way they report information and how they work with other security systems around them, giving you an unprecedented level of simplicity, insight, and advanced threat protection. Sophos XG Firewall is also available as a software installer for Intel x86 and Virtual environments including VMware, Hyper-V, KVM, and Citrix.
Last updated:
The objective of Let’s Encrypt and the ACME protocol is to make it possible to set up an HTTPS server and have it automatically obtain a browser-trusted certificate, without any human intervention. This is accomplished by running a certificate management agent on the web server.
To understand how the technology works, let’s walk through the process of setting up
https://example.com/
with a certificate management agent that supports Let’s Encrypt.There are two steps to this process. First, the agent proves to the CA that the web server controls a domain. Then, the agent can request, renew, and revoke certificates for that domain.
Domain Validation
Let’s Encrypt identifies the server administrator by public key. The first time the agent software interacts with Let’s Encrypt, it generates a new key pair and proves to the Let’s Encrypt CA that the server controls one or more domains. This is similar to the traditional CA process of creating an account and adding domains to that account.
Cached
To kick off the process, the agent asks the Let’s Encrypt CA what it needs to do in order to prove that it controls
example.com
. The Let’s Encrypt CA will look at the domain name being requested and issue one or more sets of challenges. These are different ways that the agent can prove control of the domain. For example, the CA might give the agent a choice of either:- Provisioning a DNS record under
example.com
, or - Provisioning an HTTP resource under a well-known URI on
http://example.com/
Along with the challenges, the Let’s Encrypt CA also provides a nonce that the agent must sign with its private key pair to prove that it controls the key pair.
The agent software completes one of the provided sets of challenges. Let’s say it is able to accomplish the second task above: it creates a file on a specified path on the
http://example.com
site. The agent also signs the provided nonce with its private key. Once the agent has completed these steps, it notifies the CA that it’s ready to complete validation.Then, it’s the CA’s job to check that the challenges have been satisfied. The CA verifies the signature on the nonce, and it attempts to download the file from the web server and make sure it has the expected content.
If the signature over the nonce is valid, and the challenges check out, then the agent identified by the public key is authorized to do certificate management for
example.com
. We call the key pair the agent used an “authorized key pair” for example.com
.![Using Using](/uploads/1/1/7/6/117660244/604720741.png)
Certificate Issuance and Revocation
Once the agent has an authorized key pair, requesting, renewing, and revoking certificates is simple—just send certificate management messages and sign them with the authorized key pair.
Sophos Xg Letsencrypt Wildcard
To obtain a certificate for the domain, the agent constructs a PKCS#10 Certificate Signing Request that asks the Let’s Encrypt CA to issue a certificate for
example.com
with a specified public key. As usual, the CSR includes a signature by the private key corresponding to the public key in the CSR. The agent also signs the whole CSR with the authorized key for example.com
so that the Let’s Encrypt CA knows it’s authorized.Letsencrypt Sophos Utm
When the Let’s Encrypt CA receives the request, it verifies both signatures. If everything looks good, it issues a certificate for
example.com
with the public key from the CSR and returns it to the agent.Sophos Xg 18 Letsencrypt
Revocation works in a similar manner. The agent signs a revocation request with the key pair authorized for
example.com
, and the Let’s Encrypt CA verifies that the request is authorized. If so, it publishes revocation information into the normal revocation channels (i.e. OCSP), so that relying parties such as browsers can know that they shouldn’t accept the revoked certificate.