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Nginx stop,start,restart slowness, after enabled modsecurity

Posted by antonynixson 
Nginx stop,start,restart slowness, after enabled modsecurity
January 05, 2021 12:27AM
Hello team,

iam newbie to nginx so pardon me if i sound silly. i have 250+ vhosts on my nginx server, recently i have enabled mod security for security reason, after that nginx service takes long time to restart, stop, start, syntax check, arround 1min it takes, why this kind of slowness ? how can i overcome this slowness? can anyone please help me ?

many thanks in advance...

Please find my nginx server details:

[root@dev ~]# nginx -V
nginx version: nginx/1.18.0
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-44.0.3) (GCC)
built with OpenSSL 1.1.1h 22 Sep 2020 (running with OpenSSL 1.1.1c 28 May 2019)
TLS SNI support enabled
configure arguments: --add-dynamic-module=../ModSecurity/ModSecurity-nginx/ --prefix=/usr/share/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib64/nginx/modules --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --http-client-body-temp-path=/var/lib/nginx/tmp/client_body --http-proxy-temp-path=/var/lib/nginx/tmp/proxy --http-fastcgi-temp-path=/var/lib/nginx/tmp/fastcgi --http-uwsgi-temp-path=/var/lib/nginx/tmp/uwsgi --http-scgi-temp-path=/var/lib/nginx/tmp/scgi --pid-path=/var/run/nginx.pid --lock-path=/var/lock/subsys/nginx --user=nginx --group=nginx --with-file-aio --with-ipv6 --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_geoip_module=dynamic --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_random_index_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-http_auth_request_module --with-mail=dynamic --with-mail_ssl_module --with-pcre --with-pcre-jit --with-stream=dynamic --with-stream_ssl_module --with-google_perftools_module --with-debug --with-cc-opt='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic' --with-ld-opt=' -Wl,-E'
[root@dev ~]#
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