This is not a security issue but rather a configuration concern. There's no direct real-world exploitability as it involves improper network setup causing connectivity issues, not an exploitable vulnerability.
The issue described is not a security vulnerability but rather a configuration problem with MTU settings in Hetzner VPS when using Dokploy for Docker Swarm setup. This impacts users who are setting up swarm deployments and may experience network connectivity issues due to incorrect MTU configurations.
Affected Systems
- Hetzner VPS with Ubuntu
- Dokploy Docker Swarm Setup
Affected Versions: All versions where Dokploy is used for setting up swarm deployments on Hetzner's infrastructure.
Remediation
- Adjust the MTU settings to 1400 on network interfaces other than eth0, ensuring they match the configuration Dokploy uses for its internal networks.
- Modify the installation script of Dokploy if necessary, setting the network interface creation with a specified MTU value of 1400.
Stack Impact
Docker Swarm Ubuntu on Hetzner VPS