Compatibility
Where the agent runs, and where it doesn't yet.
The matrix below comes from the installer tests and real installs. “Tested” means it went through the matrix; “supported” means the code covers it, without a dedicated matrix entry.
| Item | Status | Note |
|---|---|---|
| Systems | ||
| Ubuntu 22.04 LTS | Tested | Including without ipset installed. |
| Ubuntu 24.04 LTS | Tested | Real install checked; reinstall and rollback tested. |
| Ubuntu 26.04 LTS | Tested | — |
| Debian 12 | Tested | With iptables-legacy. |
| AlmaLinux 9 | Tested | Real install checked, with SELinux. |
| Rocky Linux 9 | Tested | — |
| Windows | Not yet | Planned for the future. |
| Architecture | ||
| amd64 (x86_64) | Tested | — |
| arm64 (aarch64) | Tested | Download, signature and update tested under emulation. |
| Firewall | ||
| iptables-nft | Supported | Default on current distributions. |
| iptables-legacy | Tested | Debian 12. |
| ipset | Supported | Used when present; the agent also works without it. |
| IPv4 and IPv6 | Supported | Blocks, rules and geoblocking on both families. |
| ufw | Coexists | ufw rules are not changed. |
| firewalld | Coexists | If a reload removes the jump to atalince's chain, the agent restores it. |
| CSF | Coexists | — |
| Docker | ||
| Published ports (DOCKER-USER) | Supported | Since agent 1.0.4. Includes Coolify and Compose. |
| Docker's nftables backend | Supported | Since agent 1.0.7. |
| Agent in a container (Docker, Swarm, Helm) | Not yet | Today the agent runs on the host. |
| Log sources | ||
| journald · /var/log/auth.log · /var/log/secure | Supported | SSH. |
| nginx · Apache | Supported | Access logs; log-based web detection, no inline WAF. |
| mail.log · maillog · Dovecot | Supported | Mail. |
| vsftpd · ProFTPD | Supported | FTP. |
| MySQL/MariaDB · PostgreSQL · MongoDB | Supported | Databases. |
| Network | ||
| Outbound HTTPS (443) | Supported | The only network requirement. No inbound port. |
Can't find your setup? Write to [email protected]. Install guide →
Founders program
Use atalince from the start.
Pro features for up to 3 servers, free of charge, for 12 months. Every application is reviewed by the team.