Enterprise Server Security That Protects Your Business

Automate threat detection, eliminate manual firewall management, and prevent costly breaches—so your team can focus on growth instead of incident response.

Enterprise SPI Firewall

Deploy a production-ready iptables firewall in minutes—not hours. Pre-configured for Plesk with all standard services, eliminating manual rule creation and reducing setup costs while protecting against DDoS, port scans, and unauthorized access.

Full IPv4 and IPv6 support ensures compatibility with modern infrastructure without additional configuration
IPset 6+ enables high-performance blocking that processes millions of rules without slowing server response times
Permanently or temporarily allow/deny IPs with CIDR subnet support—manage entire networks, not individual addresses
Advanced iptables rule creation through the interface eliminates command-line expertise requirements
Comprehensive CLI for automation and scripting—integrate firewall management into existing workflows
Enable/disable iptables per network card for granular control without full service restarts
Strict DNS traffic rules prevent DNS tunneling attacks and protect recursive resolver abuse
Automatic filtering of malformed or illegal packets reduces server load from malicious traffic
SYN and UDP flood protection prevents denial-of-service attacks that cause costly downtime
Connection limiting protects specific ports from resource exhaustion—keeping business services available
Block traffic on unused IP addresses to eliminate attack surface without impacting active services
Dynamic DNS whitelisting ensures administrators never lock themselves out—reducing emergency support calls
Instant IP block lookup eliminates time spent parsing iptables rules manually

Automated Brute Force Protection

Stop credential attacks before they compromise accounts. Automated monitoring blocks attackers within seconds across all services—eliminating the need for manual log analysis and preventing breaches that cost thousands in recovery.

Monitor SSH, FTP, SMTP, POP3, IMAP, BIND, .htpasswd, Horde, Roundcube, Plesk, and ModSecurity—comprehensive coverage across all login points
Custom triggers block referral spam, malicious bots, WordPress brute force, and PHP abuse at the firewall level before they consume resources
Create custom login failure triggers for business-specific applications without development overhead
Monitor custom log files with wildcard pattern support—extend protection to any service generating authentication logs
Choose between complete IP blocking or application-specific blocking based on your security policy
Adjust failure thresholds per service—balance security with user experience for each authentication type
Detailed email alerts with IP geolocation enable rapid incident response without server access
Automatic escalation from temporary to permanent blocks for repeat offenders—reducing ongoing attack exposure
Block entire netblocks after repeated failures from subnets—stop coordinated attacks at their source
Whitelist trusted IPs, CIDRs, and countries to prevent false positives that disrupt legitimate business operations
Automatic X-ARF abuse reporting sends notifications to attacker ISPs—helping reduce attacks industry-wide at zero cost

Real-time Connection Monitoring

Identify threats and performance issues instantly. Monitor network connections, processes, Apache activity, bandwidth, and disk I/O from the Plesk interface—eliminating SSH sessions and reducing incident response time by up to 80%.

Configurable auto-refresh keeps you current without manual page reloads
Filter connections by protocol, TCP state, and port—quickly isolate suspicious traffic patterns
Sort by connection totals, source IP, and geographic location to identify attack sources instantly
Apache connection analysis by CPU usage, virtual host, and request method identifies resource-heavy sites consuming billable server capacity
Process monitoring by CPU, memory, state, and command reveals runaway processes before they cause service outages
Bandwidth tracking by source IP, destination port, and transfer totals helps identify bandwidth abuse and optimize capacity planning
Disk I/O monitoring by process, user, read/write metrics, and swap usage pinpoints storage bottlenecks affecting performance

Geographic Access Control

Block traffic from high-risk countries or restrict access to specific regions. IPset-based country blocking delivers enterprise protection without performance penalties—reducing attack surface while maintaining service quality for legitimate users.

IPset-backed country blocking processes thousands of rules efficiently with zero impact on server response times
Whitelist countries you serve to prevent automated login failure blocking from disrupting legitimate customers
ASN-level controls enable precise network targeting when country-wide blocks are too broad for your business needs
Configurable MaxMind database update frequency ensures geographic data stays current without excessive bandwidth usage
Full IPv4 and IPv6 geolocation support covers all modern IP address formats
Legacy system compatibility option reduces rule count for older hardware while maintaining core protection

Dynamic Threat Intelligence

Leverage global threat intelligence from 100+ block list providers. Automatic updates ensure your server blocks known attackers without manual maintenance—saving hours of security administration every week.

Pre-configured integration with Spamhaus, DShield, BOGON, MaxMind Anonymous Proxy, Project Honey Pot, Fail2ban, OpenBL.org, Autoshun, and TOR—industry-leading threat feeds
Automatic scheduled updates keep blocklists current without administrative intervention
Instant lookup identifies which blocklist denied a specific IP—streamlining troubleshooting and false positive resolution
Add custom blocklists to incorporate internal threat intelligence or industry-specific feeds
Global allow/deny lists and login failure ignore lists provide centralized exception management across all security features

Advanced Threat Tracking

Detect and block distributed attacks, port scans, and suspicious activity automatically. Proactive monitoring prevents breaches before they cause damage—saving thousands in incident response and recovery costs.

Distributed FTP attack detection and blocking prevents credential stuffing campaigns from compromising accounts
POP3/IMAP login rate limiting prevents email account brute force attacks that lead to data theft
Connection limits per IP prevent resource exhaustion attacks from degrading service for legitimate users
Automatic port scan detection and blocking stops reconnaissance before attackers identify vulnerabilities
Suspicious process monitoring identifies malware execution before it spreads or exfiltrates data
Excessive user process detection catches compromised accounts running cryptominers or botnets—preventing resource theft and service degradation
SSH and SU login alerts provide immediate notification of administrative access attempts for security compliance
Account change alerts (creation, deletion, password, UID/GID, directory, shell) enable audit trails for compliance requirements without manual log review

ModSecurity Audit Interface

View and analyze ModSecurity blocks directly through Plesk. Identify false positives, whitelist legitimate traffic, and diagnose web application attacks without command-line expertise—reducing troubleshooting time from hours to minutes.

Searchable audit log interface eliminates manual log file parsing
Full compatibility with Plesk and Atomic ModSecurity packages—no configuration conflicts
View triggered rule IDs to quickly identify what blocked each request
Phase identification shows exactly when in the HTTP transaction processing the block occurred
Whitelist guidance for matched rules enables rapid false positive resolution without security research
Raw HTTP transaction viewing reveals attack details for incident documentation and analysis
Transaction download capability enables offline analysis or sharing with security teams

Multi-Server Security Clustering

Manage security across your entire server fleet from a single interface. Share blocks, configurations, and threat intelligence automatically—reducing administrative overhead by up to 90% for multi-server environments.

Centralized block and configuration management eliminates repetitive setup across multiple servers
Automatic synchronization of blocks, unblocks, ignores, and allows ensures consistent protection across your infrastructure
Encrypted inter-server communication using custom secret keys protects cluster configuration from interception
Master node designation enables controlled configuration deployment—preventing unauthorized changes across the cluster

File Integrity Monitoring

Detect system file modifications and suspicious files automatically. Early breach detection prevents data theft, ransomware deployment, and compliance violations.

MD5 checksum verification of OS binaries detects rootkit installation and system compromise immediately
Real-time email alerts enable rapid incident response before attackers escalate privileges or exfiltrate data
Automated /tmp and /dev/shm monitoring catches malware dropped in temporary directories—common attack vectors
Optional automatic quarantine of suspicious files removes threats while preserving evidence for forensic analysis
Custom directory watching extends protection to application-specific paths critical to your business operations

Comprehensive Security Analytics

Transform security data into actionable business intelligence. 60+ pre-built reports visualize server performance, attack trends, and threat patterns—enabling proactive resource allocation and demonstrating security ROI to stakeholders.

Real-time graphs for CPU, memory, network, disk I/O, Apache, and MySQL enable capacity planning before performance degrades customer experience
60+ pre-built reports cover firewall activity, login attempts, ModSecurity blocks, web access patterns, and error trends—new reports added regularly
On-the-fly log parsing generates instant insights without scheduled batch processing delays
Browser-based column sorting enables rapid data exploration without exporting to spreadsheets first
Custom report builder supports line, area, scatter, bar, pie, table, and map visualizations for executive presentations
CSV export integrates with existing BI tools and spreadsheets for deeper analysis
Full source code for all report plugins enables customization without development overhead

Network Diagnostic Suite

Perform DNS, geolocation, ASN, ping, traceroute, SPF, and blacklist checks directly from Plesk. Built-in diagnostic tools eliminate the need for external services or command-line expertise—saving time on every troubleshooting task.

Internationalized domain name support ensures accurate lookups for global customers
Quick access to your servers domains and IPs streamlines routine diagnostics without manual entry
Custom DNS server configuration or randomization enables testing across multiple resolvers for accuracy verification
MaxMind database integration provides accurate geolocation for both IPv4 and IPv6 addresses
Automatic database updates ensure lookups use current data without manual maintenance

Automated Security Audits

Run comprehensive security assessments automatically. Check firewall configuration, file permissions, SSH settings, and service hardening with actionable remediation guidance—maintaining compliance without dedicated security staff.

View audit results in Plesk or schedule automated email reports—daily, weekly, or monthly based on compliance requirements
Step-by-step remediation guidance enables non-security specialists to resolve issues quickly
Security scoring provides quantifiable metrics for tracking improvement over time and demonstrating compliance progress
Flexible reporting through Plesk interface or command line integrates with existing audit workflows

Self-Service Unblock Portal

Let users unblock themselves instead of submitting support tickets. The messenger service displays custom block pages with reCAPTCHA verification—reducing support volume by up to 40% while maintaining security through automated verification.

HTTP and HTTPS redirect support with custom text or HTML messaging for branded communication
HTTPS uses existing SSL certificates—no security warnings to confuse users or damage trust
Automatic server hostname and IP address display enables users to contact support with complete context
Google reCAPTCHA integration prevents automated abuse of the unblock system while allowing legitimate users through
Port-specific message configuration enables different experiences for web, email, and other services
WYSIWYG editor enables non-technical staff to customize messaging without HTML expertise
Connection limits per message service prevent resource exhaustion from blocked user traffic

Complete Login Audit Trail

Track every console, SSH, FTP, and Plesk login with geolocation data. Identify compromised accounts instantly, meet compliance requirements automatically, and resolve access issues faster with complete visibility into who accessed your server and when.

Geographic tagging of every login IP enables immediate identification of suspicious access from unexpected locations
Login/logout timestamps and terminal type provide complete session auditing for compliance documentation
One-click account blocking stops compromised accounts immediately—preventing further unauthorized access without SSH intervention

Cloudflare Integration

Manage Cloudflare and server-side blocking from a single interface. Automatic attacker blocking across both platforms eliminates duplicate configuration work—saving time while providing defense-in-depth protection.

Block IPs, CIDR ranges, or entire countries (enterprise) in Cloudflare directly from Plesk—no separate login required
ModSecurity triggers automatically block attackers on both local firewall and Cloudflare simultaneously
CLI support enables automation of Cloudflare blocking within existing incident response workflows
Multiple Cloudflare account support manages different client accounts from a single administrative interface

Geographic Access Policies

Control web access by country, continent, or ASN at the Apache level. Enable customers to restrict their own domains geographically—reducing support requests while helping them meet regional compliance requirements.

Server-wide or domain-level policy management provides flexible control based on business requirements
Webmail access restrictions protect customer email from geographic abuse patterns
Reseller and customer self-service for their own domains reduces administrative overhead significantly
Policy export/import enables rapid migration between servers without reconfiguration
MaxMind Apache module operates server-wide or per-domain—choose the level of control that fits your infrastructure
Geolocation PHP API enables customers to implement their own geographic logic without additional services

AbuseIPDB Threat Intelligence

Leverage the industrys most comprehensive abuse database used by major hosting providers. Automatic reporting and blocking using community intelligence protects your server from known attackers at minimal cost while contributing to industry-wide security.

Automatic attack reporting adds detected threats to AbuseIPDB once confidence thresholds are met—strengthening community defense
Collaborative intelligence means every participating server improves protection for all—your investment benefits from the entire networks data
One-click abuse reporting helps fellow administrators block attackers faster without manual investigation
IP reputation lookup reveals prior abuse reports before granting access—enabling informed blocking decisions

Juggernaut Firewall