On Mon, Dec 16, 2019 at 05:45:55PM +0000, Jasper Wallace wrote: > We are having intermittent problems uploading files via nginx to a > flask backend over http2: > > 2019/12/16 16:07:08 [debug] 27658#27658: *1 event timer: 3, old: > 1576512608187, new: 1576512608301 > 2019/12/16 16:07:08 [debug] 27658#27658: *1 http2 idle handler > 2019/12/16 16:07:08 [info] 27658#27658: *1 http2 flood detected while > processing HTTP/2 connection, client: x.x.x.x, server: 0.0.0.0:443 > 2019/12/16 16:07:08 [debug] 27658#27658: *1 http2 send GOAWAY frame, status:0 > 2019/12/16 16:07:08 [debug] 27658#27658: *1 posix_memalign: > 0000563642B8EE20:512 @16 > 2019/12/16 16:07:08 [debug] 27658#27658: *1 http2 frame out: > 0000563642B8EE40 sid:0 bl:0 len:8 > 2019/12/16 16:07:08 [debug] 27658#27658: *1 malloc: 0000563642D0A870:16384 > 2019/12/16 16:07:08 [debug] 27658#27658: *1 SSL buf copy: 17 > 2019/12/16 16:07:08 [debug] 27658#27658: *1 SSL to write: 17 > > Is there anyway of getting information on what might be triggering this? > > We've changed some defaults: > > client_max_body_size 10m; > http2_body_preread_size 256k; > http2_recv_buffer_size 1m; > proxy_headers_hash_max_size 512; > proxy_headers_hash_bucket_size 128; > > Client is Chrome: > > Version 78.0.3904.97 (Developer Build) built on Debian 10.1, running > on Debian 10.2 (64-bit) > > openssl: > > OpenSSL 1.1.0l 10 Sep 2019 > > nginx: > > nginx version: nginx/1.10.3 > built with OpenSSL 1.1.0k 28 May 2019 (running with OpenSSL 1.1.0l > 10 Sep 2019) > TLS SNI support enabled > configure arguments: --with-cc-opt='-g -O2 > -fdebug-prefix-map=/build/nginx-DhOtPd/nginx-1.10.3=. > -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time > -D_FORTIFY_SOURCE=2' --with-ld-opt='-Wl,-z,relro -Wl,-z,now' > --prefix=/usr/share/nginx --conf-path=/etc/nginx/nginx.conf > --http-log-path=/var/log/nginx/access.log > --error-log-path=/var/log/nginx/error.log > --lock-path=/var/lock/nginx.lock --pid-path=/run/nginx.pid > --modules-path=/usr/lib/nginx/modules > --http-client-body-temp-path=/var/lib/nginx/body > --http-fastcgi-temp-path=/var/lib/nginx/fastcgi > --http-proxy-temp-path=/var/lib/nginx/proxy > --http-scgi-temp-path=/var/lib/nginx/scgi > --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --with-debug > --with-pcre-jit --with-ipv6 --with-http_ssl_module > --with-http_stub_status_module --with-http_realip_module > --with-http_auth_request_module --with-http_v2_module > --with-http_dav_module --with-http_slice_module --with-threads > --with-http_addition_module --with-http_flv_module > --with-http_geoip_module=dynamic --with-http_gunzip_module > --with-http_gzip_static_module --with-http_image_filter_module=dynamic > --with-http_mp4_module --with-http_perl_module=dynamic > --with-http_random_index_module --with-http_secure_link_module > --with-http_sub_module --with-http_xslt_module=dynamic > --with-mail=dynamic --with-mail_ssl_module --with-stream=dynamic > --with-stream_ssl_module > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/headers-more-nginx-module > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-auth-pam > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-cache-purge > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-dav-ext-module > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-development-kit > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-echo > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/ngx-fancyindex > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nchan > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-lua > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-upload-progress > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-upstream-fair > --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/ngx_http_substitutions_filter_module
nginx/1.10.3 doesn't have HTTP/2 flood detection. It appeared in later versions. _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx