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view conf/koi-utf @ 8122:106328a70f4e
Added warning about redefinition of listen socket protocol options.
The "listen" directive in the http module can be used multiple times
in different server blocks. Originally, it was supposed to be specified
once with various socket options, and without any parameters in virtual
server blocks. For example:
server { listen 80 backlog=1024; server_name foo; ... }
server { listen 80; server_name bar; ... }
server { listen 80; server_name bazz; ... }
The address part of the syntax ("address[:port]" / "port" / "unix:path")
uniquely identifies the listening socket, and therefore is enough for
name-based virtual servers (to let nginx know that the virtual server
accepts requests on the listening socket in question).
To ensure that listening options do not conflict between virtual servers,
they were allowed only once. For example, the following configuration
will be rejected ("duplicate listen options for 0.0.0.0:80 in ..."):
server { listen 80 backlog=1024; server_name foo; ... }
server { listen 80 backlog=512; server_name bar; ... }
At some point it was, however, noticed, that it is sometimes convenient
to repeat some options for clarity. In nginx 0.8.51 the "ssl" parameter
was allowed to be specified multiple times, e.g.:
server { listen 443 ssl backlog=1024; server_name foo; ... }
server { listen 443 ssl; server_name bar; ... }
server { listen 443 ssl; server_name bazz; ... }
This approach makes configuration more readable, since SSL sockets are
immediately visible in the configuration. If this is not needed, just the
address can still be used.
Later, additional protocol-specific options similar to "ssl" were
introduced, notably "http2" and "proxy_protocol". With these options,
one can write:
server { listen 443 ssl backlog=1024; server_name foo; ... }
server { listen 443 http2; server_name bar; ... }
server { listen 443 proxy_protocol; server_name bazz; ... }
The resulting socket will use ssl, http2, and proxy_protocol, but this
is not really obvious from the configuration.
To emphasize such misleading configurations are discouraged, nginx now
warns as long as the "listen" directive is used with options different
from the options previously used if this is potentially confusing.
In particular, the following configurations are allowed:
server { listen 8401 ssl backlog=1024; server_name foo; }
server { listen 8401 ssl; server_name bar; }
server { listen 8401 ssl; server_name bazz; }
server { listen 8402 ssl http2 backlog=1024; server_name foo; }
server { listen 8402 ssl; server_name bar; }
server { listen 8402 ssl; server_name bazz; }
server { listen 8403 ssl; server_name bar; }
server { listen 8403 ssl; server_name bazz; }
server { listen 8403 ssl http2; server_name foo; }
server { listen 8404 ssl http2 backlog=1024; server_name foo; }
server { listen 8404 http2; server_name bar; }
server { listen 8404 http2; server_name bazz; }
server { listen 8405 ssl http2 backlog=1024; server_name foo; }
server { listen 8405 ssl http2; server_name bar; }
server { listen 8405 ssl http2; server_name bazz; }
server { listen 8406 ssl; server_name foo; }
server { listen 8406; server_name bar; }
server { listen 8406; server_name bazz; }
And the following configurations will generate warnings:
server { listen 8501 ssl http2 backlog=1024; server_name foo; }
server { listen 8501 http2; server_name bar; }
server { listen 8501 ssl; server_name bazz; }
server { listen 8502 backlog=1024; server_name foo; }
server { listen 8502 ssl; server_name bar; }
server { listen 8503 ssl; server_name foo; }
server { listen 8503 http2; server_name bar; }
server { listen 8504 ssl; server_name foo; }
server { listen 8504 http2; server_name bar; }
server { listen 8504 proxy_protocol; server_name bazz; }
server { listen 8505 ssl http2 proxy_protocol; server_name foo; }
server { listen 8505 ssl http2; server_name bar; }
server { listen 8505 ssl; server_name bazz; }
server { listen 8506 ssl http2; server_name foo; }
server { listen 8506 ssl; server_name bar; }
server { listen 8506; server_name bazz; }
server { listen 8507 ssl; server_name bar; }
server { listen 8507; server_name bazz; }
server { listen 8507 ssl http2; server_name foo; }
server { listen 8508 ssl; server_name bar; }
server { listen 8508; server_name bazz; }
server { listen 8508 ssl backlog=1024; server_name foo; }
server { listen 8509; server_name bazz; }
server { listen 8509 ssl; server_name bar; }
server { listen 8509 ssl backlog=1024; server_name foo; }
The basic idea is that at most two sets of protocol options are allowed:
the main one (with socket options, if any), and a shorter one, with options
being a subset of the main options, repeated for clarity. As long as the
shorter set of protocol options is used, all listen directives except the
main one should use it.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Sat, 28 Jan 2023 01:29:45 +0300 |
| parents | 63a820b0bc6c |
| children |
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# This map is not a full koi8-r <> utf8 map: it does not contain # box-drawing and some other characters. Besides this map contains # several koi8-u and Byelorussian letters which are not in koi8-r. # If you need a full and standard map, use contrib/unicode2nginx/koi-utf # map instead. charset_map koi8-r utf-8 { 80 E282AC ; # euro 95 E280A2 ; # bullet 9A C2A0 ; # 9E C2B7 ; # · A3 D191 ; # small yo A4 D194 ; # small Ukrainian ye A6 D196 ; # small Ukrainian i A7 D197 ; # small Ukrainian yi AD D291 ; # small Ukrainian soft g AE D19E ; # small Byelorussian short u B0 C2B0 ; # ° B3 D081 ; # capital YO B4 D084 ; # capital Ukrainian YE B6 D086 ; # capital Ukrainian I B7 D087 ; # capital Ukrainian YI B9 E28496 ; # numero sign BD D290 ; # capital Ukrainian soft G BE D18E ; # capital Byelorussian short U BF C2A9 ; # (C) C0 D18E ; # small yu C1 D0B0 ; # small a C2 D0B1 ; # small b C3 D186 ; # small ts C4 D0B4 ; # small d C5 D0B5 ; # small ye C6 D184 ; # small f C7 D0B3 ; # small g C8 D185 ; # small kh C9 D0B8 ; # small i CA D0B9 ; # small j CB D0BA ; # small k CC D0BB ; # small l CD D0BC ; # small m CE D0BD ; # small n CF D0BE ; # small o D0 D0BF ; # small p D1 D18F ; # small ya D2 D180 ; # small r D3 D181 ; # small s D4 D182 ; # small t D5 D183 ; # small u D6 D0B6 ; # small zh D7 D0B2 ; # small v D8 D18C ; # small soft sign D9 D18B ; # small y DA D0B7 ; # small z DB D188 ; # small sh DC D18D ; # small e DD D189 ; # small shch DE D187 ; # small ch DF D18A ; # small hard sign E0 D0AE ; # capital YU E1 D090 ; # capital A E2 D091 ; # capital B E3 D0A6 ; # capital TS E4 D094 ; # capital D E5 D095 ; # capital YE E6 D0A4 ; # capital F E7 D093 ; # capital G E8 D0A5 ; # capital KH E9 D098 ; # capital I EA D099 ; # capital J EB D09A ; # capital K EC D09B ; # capital L ED D09C ; # capital M EE D09D ; # capital N EF D09E ; # capital O F0 D09F ; # capital P F1 D0AF ; # capital YA F2 D0A0 ; # capital R F3 D0A1 ; # capital S F4 D0A2 ; # capital T F5 D0A3 ; # capital U F6 D096 ; # capital ZH F7 D092 ; # capital V F8 D0AC ; # capital soft sign F9 D0AB ; # capital Y FA D097 ; # capital Z FB D0A8 ; # capital SH FC D0AD ; # capital E FD D0A9 ; # capital SHCH FE D0A7 ; # capital CH FF D0AA ; # capital hard sign }