The plugin is based on the recent vim-plugin distributed with nginx-1.12.0 and additionally features the following syntax improvements:
ssl_protocols as errorsproxy_next_upstream optionssticky optionsupstream server optionsFurthermore:
Note: Also check out sslsecure.vim: it supports highlighting insecure SSL/TLS cipher suites and protocols in all your files!
A server block with highlighting of insecure ssl_protocol options:

An upstream block with highlighted options:

Embedded highlighting for ERB and Jinja templates:

Embedded LUA syntax highlighting:

nginx-1.12.0/contrib/vimFor help with secure cipher selection, visit Mozillas SSL Configuration Generator
Install using any vim plugin manager. If you’re not familiar with any, go with Plug (vim-plug).
Then install this plugin using the your vim’s plugin manager as follows:
Plug 'chr4/nginx.vim'
call dein#add('chr4/nginx.vim')
Plugin 'chr4/nginx.vim'
git clone https://github.com/chr4/nginx.vim ~/.vim/bundle/nginx.vim
Optionally, if you like Jinja template syntax highlighting, install lepture/vim-jinja, too.