NGINX Plus Technical Specifications

NGINX Plus is available in binary form only; it is not available in source form.
Please inquire for additional platforms and modules.

Supported Distributions

10.04 LTS, 12.04 LTS, 14.04 LTS, 14.10 (i386, x86_64)
14.04 LTS (AArch64/ARM64)

Platform Limitations
10.04 LTS: SPDY not supported by OS OpenSSL library
5.10+, 6.5+ (i386, x86_64); 7.0 (x86_64)

Platform Limitations
5.10+: nginx-plus-extras not supported (no OS support for Lua); SPDY not supported by OS OpenSSL library
6.5+: See this advisory when upgrading to 6.6
9.3, 10.1 (amd64)
5.10+, 6.5+ (i386, x86_64); 7.0 (x86_64)

Platform Limitations
5.10+: nginx-plus-extras not supported (no OS support for Lua); SPDY not supported by OS OpenSSL library
6.5+: See this advisory when upgrading to 6.6
Red Hat
5.10+, 6.5+ (i386, x86_64); 7.0 (x86_64)

Platform Limitations
5.10+: nginx-plus-extras not supported (no OS support for Lua); SPDY not supported by OS OpenSSL library
6.5+: See this advisory when upgrading to 6.6
6.0, 7.0, 8.0 (i386, x86_64)

Platform Limitations
6.0: SPDY not supported by OS OpenSSL library
Linux Enterprise Server
11 SP3, 12 (x86_64)

Platform Limitations
11 SP3: nginx-plus-extras not supported (OS does not support GeoIP)
Amazon Linux
Ubuntu 14.04 LTS

Supported Deployment Environments

Virtual Machine or Container

NGINX Plus Features

A complete set of web serving, proxying, acceleration, and load-balancing capabilities for both HTTP-based and TCP-based services

Protocols and Performance
  • HTTP/1.1, HTTPS, SPDY, TCP, WebSocket
  • IMAP, POP3, SMTP with HTTPS and external HTTP-based authentication
  • IPv4 and IPv6
  • 1 million concurrent connections
  • 10,000+ virtual servers multi-tenancy
  • Connection multiplexing pools for low-latency communications
High Availability
  • Active-standby clusters using VRRP (keepalived)
  • Live binary upgrades to eliminate downtime
  • Graceful restart with non-stop request processing
Edge Cache and Origin Server
  • Content offload and caching
  • Lightweight cache revalidation
  • Support for Vary field in HTTP header to control caching
  • Serving of cached (stale) content when origin server fails
  • On-the-fly content compression and optimization
  • HTTP video streaming with support for FLV, HDS, HLS, and MP4 formats
Logging, Monitoring, and Configuration
  • On-the-fly reconfiguration of upstream server pools
  • Live activity monitoring
  • GeoIP configuration decisions
  • Logging of HTTP transactions locally or to syslog
  • nginx-plus: Standard NGINX modules and additional NGINX Plus features (see NGINX Plus Modules section below)
  • nginx-plus-extras: NGINX Plus with additional GeoIP, Headers-More, Image Filter, Lua, Phusion Passenger, Perl, RTMP, Set-Misc, and XSLT modules (see NGINX Plus Extras Modules section below)
Load Balancing
  • Full Layer 7 reverse proxy
  • Load balancing of HTTP traffic, including HTTP, HTTPS, FastCGI, memcached, SCGI, uWSGI
  • Load balancing of TCP
  • URL/URI content-based request routing
  • Reverse proxy and load balancer with choice of algorithms (round-robin, generic-hash, ip-hash, least-connections, least-time)
  • Session persistence with cookie-insert, session-learn, and defined-route methods
  • Session draining for easy maintenance
  • Health monitoring of back-end applications with synthetic transactions and slow start
  • Bandwidth, connection, and request policing
  • Protocol isolation and request filtering
  • Header scrubbing and manipulation
SSL Processing
  • SSL, SNI, TLSv1.1, and TLSv1.2
  • Support for RSA, DSA, ECC, and Perfect Forward Secrecy key exchange
  • Client and server-side certificate validation for client-side and upstream-side connections
  • OCSP stapling
Additional Features
Recommended Hardware
NGINX Plus was designed and optimized for use on generic server hardware. For an edge server capable of serving 3 to 6 Gbps of live traffic and 20,000 to 50,000 requests per second, we commonly recommend the following:
  • 2 modern x86_64 CPUs with 4 to 8 cores per CPU
  • 16 to 32 GB RAM
  • 6 x 250-GB SSD drives (if required for cache and storage)
  • 10-GbE Intel networking card

Modules in the NGINX Plus Package

  • HTTP Core: Process HTTP traffic
  • Addition: Prepend and append data to a response
  • Auto Index: Generate directory listings
  • Charset: Add character set in Content-Type field of HTTP response header, and define or convert between character sets
  • Empty GIF: Generate empty image response
  • Gzip: Use GZIP to compress HTTP responses
  • Gzip Static: Serve pre-compressed files from disk
  • Gunzip: Decompress responses for clients that don’t support compression
  • Headers: Add fields to HTTP response headers, including Cache-Control and Expires
  • Index: Specify index files used in directory requests
  • Random Index: Select random index file for directory request
  • Real IP: Determine true origin IP address for proxied traffic
  • SSI: Process Server Side Includes (SSI) commands
  • Substitution: Replace text string in response with another text string
  • User ID: Set cookies that uniquely identify clients
  • WebDAV: Implement WebDAV file management
  • SPDY: Process SPDY traffic
  • SSL: Process HTTPS traffic
HTTP Transaction Shaping
  • Limit Connections: Limit concurrent connections from a client IP address or other keyed value
  • Limit Requests: Limit rate of request processing for a client IP address or other keyed value
HTTP Proxying and APIs
  • FastCGI: Proxy and cache requests to FastCGI application
  • Memcached: Proxy requests to memcached application
  • Proxy: Proxy and cache requests to HTTP server
  • SCGI: Proxy and cache requests to SCGI server
  • Upstream: Proxy and cache requests to load-balanced pools of application servers
  • uWSGI: Proxy and cache requests to uWSGI server
  • Mail Core: Proxy mail traffic
  • Auth HTTP: Offload authentication processing from HTTP server
  • IMAP: Implement capabilities and authentication methods for IMAP
  • POP3: Implement authentication methods for POP3 traffic
  • Proxy: Support proxy-related parameters for mail protocols
  • SMTP: Define accepted SASL authentication methods for SMTP clients
  • SSL: Implement SSL, TLS, and STARTTLS for mail protocols
HTTP Advanced Configuration
  • Browser: Create variables based on User-Agent field in HTTP request header
  • Geo: Create variables based on client IP address
  • Map: Create variables based on other variables in requests
  • Rewrite: Test and change URI of request
  • Split Clients: Partition clients for A|B testing
HTTP Access Control and Authentication
  • Access: Control access based on client IP address (support access control lists [ACLs])
  • Auth Basic: Implement HTTP Basic Authentication scheme
  • >Auth Request: Determine client authorization using subrequests to external authentication server
  • Referer: Control access based on Referer field in HTTP request header
  • Secure Link: Process encrypted, time-limited links to content
HTTP Logging and Monitoring
  • Log: Log HTTP transactions locally or to syslog
  • Status: Implement live activity monitoring
HTTP Media Delivery
  • F4F: Stream HDS (Adobe HTTP Dynamic Streaming; filename extensions .f4f, .f4m, .f4x)
  • FLV: Stream FLV (Flash Video; filename extension .flv)
  • HLS: Stream HLS (Apple HTTP Live Streaming; filename extensions .m3u8, .ts) dynamically generated from MP4 or MOV (filename extensions .m4a, .m4v, .mov, .mp4, and .qt)
  • MP4: Stream MP4 (filename extensions .m4a, .m4v, .mp4)
  • Streaming of RTMP and DASH is provided by the third-party RTMP module in the NGINX Plus Extras package
TCP Load Balancing
  • Stream: Process TCP traffic
  • Upstream: Proxy and cache requests to load-balanced pools of servers

Modules in the NGINX Plus Extras Package

GeoIP: Create variables based on the client IP address, using the precompiled MaxMind databases
Image-Filter: Transform JPEG, GIF, and PNG images (for example, crop, resize, or rotate them)
Perl: Implement location and variable handlers in Perl and insert Perl calls into Server Side Includes (SSI)
RTMP Media Streaming
RTMP: Stream Real-Time Messaging Protocol (RTMP), Apple HTTP Live Streaming (HLS), and Dynamic Adaptive Streaming over HTTP (DASH) [third-party extension]
XSLT: Transform XML responses using one or more XSLT stylesheets
Headers-More: Set and clear input and output headers (third-party extension to NGINX core Headers module)
Lua: Integrate Lua coroutines into the NGINX event processing model (third-party extension)
Phusion Passenger Open Source
Phusion Passenger Open Source: Deploy and administer applications written in Node.js, Python, and Ruby
Set-Misc: Implement numerous additional set_* directives (third-party extension to NGINX core Rewrite module)


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