Nginx writing connections s

[nsakovich]

We have found that in case when mod security is enabled the number of Nginx writing connections are increasing during the time. Does anybody see the same issue? Any ideas what can be wrong?

nginx version: nginx/1.19.3
built by gcc 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)
built with OpenSSL 1.1.1g 21 Apr 2020
TLS SNI support enabled
configure arguments: --prefix=/etc/nginx --with-openssl=/openssl-1.1.1g --with-http_realip_module --with-http_stub_status_module --with-http_ssl_module --with-http_v2_module --with-ld-opt=-Wl,-rpath,/usr/local/lib --add-module=/ngx_devel_kit-0.3.1 --add-module=/lua-nginx-module-0.10.15