Nginx 开发版更新至 1.13.7 版本

nginx 官方 1.13.6-1.13.7 的版本更新日志：

QuoteChanges with nginx 1.13.7 21 Nov 2017

*) Bugfix: in the $upstream_status variable.

*) Bugfix: a segmentation fault might occur in a worker process if a
backend returned a "101 Switching Protocols" response to a
subrequest.

*) Bugfix: a segmentation fault occurred in a master process if a shared
memory zone size was changed during a reconfiguration and the
reconfiguration failed.

*) Bugfix: in the ngx_http_fastcgi_module.

*) Bugfix: nginx returned the 500 error if parameters without variables
were specified in the "xslt_stylesheet" directive.

*) Workaround: "gzip filter failed to use preallocated memory" alerts
appeared in logs when using a zlib library variant from Intel.

*) Bugfix: the "worker_shutdown_timeout" directive did not work when
using mail proxy and when proxying WebSocket connections.


Changes with nginx 1.13.6 10 Oct 2017

*) Bugfix: switching to the next upstream server in the stream module
did not work when using the "ssl_preread" directive.

*) Bugfix: in the ngx_http_v2_module.
Thanks to Piotr Sikora.

*) Bugfix: nginx did not support dates after the year 2038 on 32-bit
platforms with 64-bit time_t.

*) Bugfix: in handling of dates prior to the year 1970 and after the
year 10000.

*) Bugfix: in the stream module timeouts waiting for UDP datagrams from
upstream servers were not logged or logged at the "info" level
instead of "error".

*) Bugfix: when using HTTP/2 nginx might return the 400 response without
logging the reason.

*) Bugfix: in processing of corrupted cache files.

*) Bugfix: cache control headers were ignored when caching errors
intercepted by error_page.

*) Bugfix: when using HTTP/2 client request body might be corrupted.

*) Bugfix: in handling of client addresses when using unix domain
sockets.

*) Bugfix: nginx hogged CPU when using the "hash ... consistent"
directive in the upstream block if large weights were used and all or
most of the servers were unavailable.

Nginx 稳定版更新至 1.12.2 版本

nginx 官方 1.12.2 的版本更新日志：

QuoteChanges with nginx 1.12.2 17 Oct 2017

*) Bugfix: client SSL connections were immediately closed if deferred
accept and the "proxy_protocol" parameter of the "listen" directive
were used.

*) Bugfix: client connections might be dropped during configuration
testing when using the "reuseport" parameter of the "listen"
directive on Linux.

*) Bugfix: incorrect response length was returned on 32-bit platforms
when requesting more than 4 gigabytes with multiple ranges.

*) Bugfix: switching to the next upstream server in the stream module
did not work when using the "ssl_preread" directive.

*) Bugfix: when using HTTP/2 client request body might be corrupted.

*) Bugfix: in handling of client addresses when using unix domain
sockets.