annotate contrib/README @ 7732:59e1c73fe02b

SSL: ssl_reject_handshake directive (ticket #195). In some cases it might be needed to reject SSL handshake based on SNI server name provided, for example, to make sure an invalid certificate is not returned to clients trying to contact a name-based virtual server without SSL configured. Previously, a "ssl_ciphers aNULL;" was used for this. This workaround, however, is not compatible with TLSv1.3, in particular, when using BoringSSL, where it is not possible to configure TLSv1.3 ciphers at all. With this change, the ssl_reject_handshake directive is introduced, which instructs nginx to reject SSL handshakes with an "unrecognized_name" alert in a particular server block. For example, to reject handshake with names other than example.com, one can use the following configuration: server { listen 443 ssl; ssl_reject_handshake on; } server { listen 443 ssl; server_name example.com; ssl_certificate example.com.crt; ssl_certificate_key example.com.key; } The following configuration can be used to reject all SSL handshakes without SNI server name provided: server { listen 443 ssl; ssl_reject_handshake on; } server { listen 443 ssl; server_name ~^; ssl_certificate example.crt; ssl_certificate_key example.key; } Additionally, the ssl_reject_handshake directive makes configuring certificates for the default server block optional. If no certificates are configured in the default server for a given listening socket, certificates must be defined in all non-default server blocks with the listening socket in question.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 22 Oct 2020 18:02:28 +0300
parents 1bdf906bba99
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2 geo2nginx.pl by Andrei Nigmatulin
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4 The perl script to convert CSV geoip database ( free download
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5 at http://www.maxmind.com/app/geoip_country ) to format, suitable
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6 for use by the ngx_http_geo_module.
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9 unicode2nginx by Maxim Dounin
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11 The perl script to convert unicode mappings ( available
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12 at http://www.unicode.org/Public/MAPPINGS/ ) to the nginx
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13 configuration file format.
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14 Two generated full maps for windows-1251 and koi8-r.
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17 vim by Evan Miller
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19 Syntax highlighting of nginx configuration for vim, to be
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20 placed into ~/.vim/.
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