no TLS1.3 with 1.15.5

[Alex Samad]

Hi

Don't you need a openssl that works with 1.3 as well.
My sticking point is centos 6 - no openssl that comes with 1.3 - as far as
i know

A

On Mon, 5 Nov 2018 at 06:10, Bogdan via nginx <nginx at nginx.org> wrote:

> Hi, Andreas!
>
>
> I disabled NPN (Next Protocol Negotiation) because, as far as I know (not
> very far and it comes from what I've read, since I am not an expert), ALPN
> with HTTP/2 is more efficient and offers lower latency. Google also dropped
> support for NPN in their Chrome browser.
>
> Indeed I tried to disable as many lines as possible, but the compiling
> options for nginx weren't the culprit. The distribution's openssl was also
> compiled from scratch (v1.1.1), so there was no chance that on my system I
> was been using versions of software which were not able to offer TLS1.3
> support.
>
> The problem was that in /etc/nginx/nginx.conf I had this line which I
> missed:
>
> ssl_protocols TLSv1.2;
>
> It was a configuration error on my part, so updating the line as follows
> solved the problem:
>
> ssl_protocols TLSv1.2 TLSv1.3;
>
> A great trouble for a only a few missing characters, but once the trouble
> is gone, the server runs greatly. :)
>
>
>
> Thank you for your suggestions!
>
> Bogdan
>
>
>
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Sunday, November 4, 2018 2:31 PM, A. Schulze <sca at andreasschulze.de>
> wrote:
>
> > Am 03.11.18 um 19:14 schrieb Bogdan via nginx:
> >
> > > Hello, everyone.
> > > I am stuck with a fresh installation which runs absolutely fine except
> it doesn't offer TLS1.3 which is the the biggest reason for updating the
> server.
> > > Below is some info about my config.
> > > Distribution: Ubuntu 18.04 server with kernel 4.15.0-38-generic
> > > nginx compile options: nginx/1.15.5 (Ubuntu)
> > > built by gcc 7.3.0 (Ubuntu 7.3.0-27ubuntu1~18.04)
> > > built with OpenSSL 1.1.1  11 Sep 2018
> > > TLS SNI support enabled
> > > configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx
> --modules-path=/usr/lib/nginx/modules --conf-path=/etc/nginx/nginx.conf
> --error-log-path=/var/log/nginx/error.log --pid-path=/var/run/nginx.pid
> --lock-path=/var/run/nginx.lock --user=nobody --group=nogroup
> --build=Ubuntu --builddir=nginx-1.15.5 --with-openssl=../openssl-1.1.1
> --with-pcre=../pcre-8.42 --with-pcre-jit --with-zlib=../zlib-1.2.11
> --with-openssl-opt=no-nextprotoneg --with-select_module --with-poll_module
> --with-threads --with-file-aio --with-http_ssl_module --with-http_v2_module
> --with-http_realip_module --with-http_addition_module
> --with-http_xslt_module=dynamic --with-http_image_filter_module=dynamic
> --with-http_sub_module --with-http_geoip_module=dynamic
> --with-http_auth_request_module --with-http_secure_link_module
> --with-http_degradation_module --with-http_slice_module
> --with-http_stub_status_module --with-http_perl_module=dynamic
> --with-perl_modules_path=/usr/share/perl/5.26.1
> > > --with-perl=/usr/bin/perl --http-log-path=/var/log/nginx/access.log
> --http-client-body-temp-path=/var/cache/nginx/client_temp
> --without-http_empty_gif_module --without-http_browser_module
> --without-http_fastcgi_module --without-http_uwsgi_module
> --without-http_scgi_module --without-mail_pop3_module
> --without-mail_imap_module --without-mail_smtp_module --with-stream=dynamic
> --with-stream_ssl_module --with-stream_realip_module
> --with-stream_geoip_module=dynamic --with-stream_ssl_preread_module
> --with-compat --with-debug
> >
> > Hello Bogdan,
> >
> > while I have not really a helpful suggestion for you I noticed you
> disabled "nextprotoneg" for openssl.
> > May I kindly ask why you do so?
> >
> > > /etc/nginx/sites-available/default:
> > > ssl_session_cache shared:SSL:1m;
> > > server {
> > > ssl_early_data on;
> >
> > that one I did not know, so thanks for the hint.
> >
> > > ssl_dhparam /etc/nginx/ssl/dh4096.pem;
> > > ssl_session_timeout 5m;
> > > ssl_stapling on;
> > > ssl_stapling_verify on;
> > > ssl_prefer_server_ciphers on;
> > > ssl_protocols TLSv1.2 TLSv1.3;
> > > ssl_ciphers
> TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-256-GCM-SHA384:TLS13-AES-128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA;
> > > ssl_ecdh_curve secp521r1:secp384r1;
> >
> > try to disable as many option as possible. I would start leaving
> ssl_dhparam, stapling, ciphers and curve options on defaults.
> >
> > > }
> > > I can't reach beyond TLS1.2 with Firefox 63 (security.tls.version.max
> = 4, that is TLS1.3 RFC as far as I know) and ssllabs.com's test says
> TLSv1.3 is non-existent on the server.
> >
> > Also using "openssl s_client" is a good method for measurement.
> >
> > > Any help would be much appreciated.
> >
> > are you sure, nginx is really not build against distribution's openssl
> not supporting TLS1.3?
> >
> > > Bogdan
> >
> > Good luck!
> > Andreas
> >
> > nginx mailing list
> > nginx at nginx.org
> > http://mailman.nginx.org/mailman/listinfo/nginx
>
>
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