VPS Hosting with Froxlor

Froxlor on KVM VPS: Zero-Licence Panel Management for Multi-Tenant Hosting Environments

AvaHost's VPS hosting with Froxlor pairs KVM-isolated virtual servers — starting at €5.00/mo on VPS One (1 vCPU, 2 GB RAM, 25 GB NVMe) — with a zero-licence, open-source control panel suited to SysAdmins, resellers, and agencies managing multiple domains and client accounts from a single interface. Froxlor runs on the host OS without a commercial licence fee, meaning every euro of your VPS budget goes toward compute and storage rather than panel subscriptions. Plans scale to VPS Ultra at €40.00/mo; use the plan selector above to match vCPU and RAM to your workload profile.

All AvaHost VPS plans include a dedicated IPv4 address, NVMe storage, and DDoS protection by default, covered by a 99% uptime SLA on power and network infrastructure. The SLA scope excludes downtime caused by customer applications, panel misconfigurations, or software faults — a distinction that matters when scoping incident response procedures. Froxlor is installable post-provisioning by the customer or via the 24/7 support team.

Froxlor's architectural advantage on a VPS is its low resident memory footprint. Unlike commercial panels that run persistent Java or Node.js daemons, Froxlor's PHP-based backend activates on request and exits, leaving RAM headroom for application processes. On a 2 GB RAM instance this is operationally significant: a panel consuming 300–500 MB at idle leaves substantially less capacity for web workers, database connections, or mail queues than one consuming under 50 MB. This resource efficiency is the primary technical reason Froxlor is recommended for constrained VPS tiers rather than as a fallback option.

Resource Isolation and Panel Overhead: Why Froxlor's Architecture Fits KVM VPS Deployments

KVM virtualisation allocates vCPU and RAM as hard limits rather than soft quotas. There is no neighbour contention on CPU cycles or memory pages — what the tariff specifies is what the guest OS sees. This makes accurate panel overhead accounting straightforward: the RAM Froxlor does not consume is directly available to PHP-FPM pools, MariaDB buffer pools, or Postfix queues running on the same instance.

• Low idle footprintFroxlor's PHP-FPM execution model means no persistent panel daemon holds RAM between requests, reducing baseline memory pressure on smaller VPS tiers.
• NVMe-backed configuration writesDomain, DNS, and virtual host configuration changes write to NVMe storage, keeping fsync latency low during batch provisioning — relevant when onboarding multiple client accounts simultaneously.
• Apache, Nginx, and Lighttpd supportFroxlor generates configuration files natively for all three web servers, allowing administrators to select the stack that matches their application's concurrency requirements without rewriting panel templates.
• KVM isolation boundaryEach VPS runs in a fully isolated KVM guest, so Froxlor's configuration scope is contained to that guest — no cross-tenant configuration bleed, which simplifies audit trails for reseller operations.

Business outcome: Selecting a panel with low overhead on a fixed-resource VPS directly reduces the minimum viable plan tier for a given workload. An agency running ten client sites with Froxlor retains more usable RAM for application processes than it would with a heavier commercial panel on the same hardware — deferring an upgrade until application demand, rather than panel overhead, drives the requirement.

Multi-Tenant Account Hierarchy and Reseller Resource Allocation

Froxlor implements a three-tier access model: Administrator, Reseller, and Customer. This hierarchy maps directly to common agency and managed-hosting operational structures without requiring additional software or custom scripting.

• Administrator tierFull control over server-wide resources — IP assignment, PHP version availability, web server configuration templates, and system-level logging. Administrators set the ceiling for what resellers can allocate.
• Reseller tierResellers receive a defined quota of domains, disk space, bandwidth, and email accounts from the administrator pool, provisioning their own customer accounts within that quota with no visibility into other resellers' data.
• Customer tierEnd-users access a scoped interface covering their own domains, FTP accounts, email addresses, SSL certificates, and bandwidth statistics, with no root access or cross-account visibility.

Bandwidth tracking is per-account and reportable, supporting billing reconciliation for resellers charging clients on usage. IP assignment is configurable at administrator level, allowing dedicated IPs to be allocated where SSL isolation or reputation management requires it.

Business outcome: The ability to delegate resource management to a reseller tier — rather than handling every client request at administrator level — reduces operational overhead per client and scales the business without proportionally scaling support hours. Froxlor's open-source codebase also permits template customisation and white-labelling for agencies presenting a branded panel to end clients.

Automated SSL Provisioning and Security Configuration Under Froxlor

Froxlor includes native Let's Encrypt integration, automating certificate issuance and renewal for domains managed within the panel. Certificates are provisioned via the ACME protocol without manual intervention; renewal runs on a schedule before expiry, eliminating the risk of lapsed certificates causing browser warnings on client sites.

• Let's Encrypt automationDomain validation and certificate issuance are handled within the panel; no external ACME client configuration is required at OS level unless the administrator chooses to override defaults.
• Role-based access controlConfiguration changes at each tier are logged and scoped — customers cannot modify server-level settings, and resellers cannot access other resellers' account data, supporting change auditing without external tooling.
• Firewall compatibilityFroxlor is compatible with standard Linux firewall tooling (ufw, firewalld, iptables) and does not require specific firewall software, allowing administrators to maintain their existing security posture.
• DDoS protectionIncluded on all AvaHost VPS plans at the network layer, independent of panel configuration.

Business outcome: Automated certificate management removes a recurring manual task from the operations queue and reduces the probability of service interruptions caused by expired SSL — a failure mode that generates disproportionate client escalations relative to its technical complexity. Combined with role-based logging, Froxlor provides an auditable configuration history supporting compliance reporting for clients in regulated industries.

Upgrade Path: When Froxlor on VPS Reaches Its Scaling Ceiling

As client account count grows, the binding constraint shifts from panel overhead to aggregate application load — database connections, concurrent HTTP workers, and mail queue throughput. When CPU utilisation consistently approaches the vCPU ceiling, or RAM pressure causes swap usage, the appropriate response is a plan upgrade within the VPS Hosting range. If workload isolation requirements exceed what KVM virtualisation provides, Dedicated Servers provide bare-metal allocation with full physical resource exclusivity.

For teams that do not yet require root access or custom panel configuration, Shared Web Hosting with cPanel included from €1.99/mo provides a lower entry point with managed infrastructure — though without the multi-tenant reseller hierarchy or web server flexibility that Froxlor on VPS delivers.

Payment is accepted via Visa, Mastercard, PayPal, bank transfer, WebMoney, and over 20 cryptocurrencies including BTC, ETH, and USDT. Prices are denominated in EUR; billing period is selected at checkout.