sslh on Ubuntu 24.04 LTS

Name: sslh on Ubuntu 24.04 LTS
Brand: cloudimg

Azure Networking

sslh, an open source protocol multiplexer, letting ssh and https share a single port.

Base

Hardened build

minimal ports, security patches applied at build time

Access

Unique credentials

generated on first boot, readable only by root

Verified

Boots working

services pass a health gate before release

Support

24/7, 365 days

by email and live chat, 24 hour response SLA

Overview

sslh is an open source SSL/SSH protocol multiplexer. It listens on one port, reads the first bytes each client sends to work out which protocol is being spoken, and hands the connection to the matching service. SSH and HTTPS therefore share a single port, which is what makes a server reachable from networks that only allow 443 out, and lets an internet facing host expose one port instead of several.

Why the cloudimg image

cloudimg delivers sslh hardened, fully patched and already multiplexing on first boot, with working local backends so the appliance proves itself standalone with nothing else to install. The TLS certificate is generated per instance at first boot, so no key ships in the image, and a shipped self test command confirms all three protocols routed correctly in one line. Paired with a step by step deploy guide and backed by 24/7 support.

Common uses

Reach SSH on a server from networks that only allow port 443 out
Expose one port instead of several on an internet facing host
Run several protocols behind a single firewall rule or load balancer port

Overview

Why the cloudimg image

Common uses

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