nginx nginx project is a HTTP server and mail proxy server.
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server proxy server HTTP mail proxy http server nginx

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nginx project is a HTTP server and mail proxy server. nginx project is a HTTP server and mail proxy server.Here are some key features of "nginx":Basic HTTP features:· Handling of static files, index files, and autoindexing; · Accelerated reverse proxying without caching, simple load balancing and fault tolerance; · Accelerated support without caching of remote FastCGI servers, simple load balancing and fault tolerance; · Modular architecture. Filters include gzipping, byte ranges, chunked responses, and SSI. Multiple SSI inclusions within a single page can be processed in parallel if they are handled by FastCGI or proxied servers. · SSL and TLS SNI support. Mail proxy server features:· User redirection to IMAP/POP3 backend using an external HTTP authentication server; · User authentication using an external HTTP authentication server and connection redirection to internal SMTP backend; · Authentication methods: · POP3: POP3 USER/PASS, APOP, AUTH LOGIN PLAIN CRAM-MD5; · IMAP: IMAP LOGIN; · SMTP: AUTH LOGIN PLAIN CRAM-MD5; · SSL support; · STARTTLS and STLS support in the IMAP and POP3 mode. Tested OS and platforms:· FreeBSD 3.x, 4.x, 5.x, 6.x i386; FreeBSD 5.x, 6.x amd64; · Linux 2.2, 2.4, 2.6 i386; Linux 2.6 amd64; · Solaris 9 i386, sun4u; Solaris 10 i386; · MacOS X (10.4) ppc; Architecture and scalability:· one master process and several workers processes. The workers run as unprivileged user; · kqueue (FreeBSD 4.1+), epoll (Linux 2.6+), rt signals (Linux 2.2.19+), /dev/poll (Solaris 7 11/99+), event ports (Solaris 10), select, and poll support; · various kqueue features support including EV_CLEAR, EV_DISABLE (to disable event temporalily), NOTE_LOWAT, EV_EOF, number of available data, error codes; · sendfile (FreeBSD 3.1+), sendfile (Linux 2.2+), sendfile64 (Linux 2.4.21+), and sendfilev (Solaris 8 7/01+) support; · accept-filter (FreeBSD 4.1+) and TCP_DEFER_ACCEPT (Linux 2.4+) support; · 10,000 inactive HTTP keep-alive connections take about 2.5M memory; · data copy operations are kept to a minimum. Other HTTP features:· name- and IP-based virtual servers; · keep-alive and pipelined connections support; · flexible configuration; · reconfiguration and online upgrade without interruption of the client processing; · access log formats, bufferred writing, and quick log rotation; · 4xx-5xx error codes redirection; · rewrite module; · access control based on client IP address and HTTP Basic authentication; · PUT, DELETE, MKCOL, COPY and MOVE methods; · FLV streaming; · speed limitation; · limitation of simultaneous connections from one address. Experimental features:· embedded perl.What's New in This Release:· The STARTTLS in SMTP mode is now working.· In HTTPS mode, some requests fail with a "bad write retry" error.· The "If-Range" request header line is now supported.· uname(2) is now used on Linux systems instead of procfs.

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