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Sunday, October 2, 2022

Solved : nginx: [emerg] Naxsi-Config : Incorrect line MainRule rx:select in /etc/nginx/waf/naxsi_core.rules:23

If you see this error on Redhat( or Centos) when you are testing config with nginx ( nginx -t or reload config) : 

nginx: [emerg] Naxsi-Config : Incorrect line MainRule rx:select|union|update|delete|insert|table|from|ascii|hex|unhex|drop|load_file|substr|group_concat|dumpfile (./naxsi/naxsi_src/naxsi_skeleton.c/973)... in /etc/nginx/waf/naxsi_core.rules:23

This is solution to solved it : 

1. Get naxsi from this url: by cmd: 
git clone --recurse-submodules

2. Then re-compile modules follow the steps below: 

- first cd into nginx directory then : 

./configure  --with-compat --add-dynamic-module=./naxsi/naxsi_src 

 - and run : 

make modules      

 - After that copy module file into nginx modules directory: cp objs/ /usr/lib64/nginx/modules/

Thanks Wargio ! 

Done ! 


  1. hy i follow ur guide, but the error still exist sir..

    nginx version: nginx/1.22.0
    built by gcc 8.5.0 20210514 (Red Hat 8.5.0-10) (GCC)
    built with OpenSSL 1.1.1k FIPS 25 Mar 2021
    TLS SNI support enabled
    configure arguments: --conf-path=/etc/nginx/nginx.conf --add-module=../naxsi-master/naxsi_src/ --error-log-path=/var/log/nginx/error.log --http-client-body-temp-path=/var/lib/nginx/body --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-log-path=/var/log/nginx/access.log --http-proxy-temp-path=/var/lib/nginx/proxy --http-scgi-temp-path=/var/lib/nginx/scgi --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --lock-path=/var/lock/nginx.lock --pid-path=/var/run/ --user=www-data --group=www-data --with-debug --with-compat --with-pcre-jit --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_gunzip_module --with-http_gzip_static_module --with-http_image_filter_module=dynamic --with-http_sub_module --with-http_xslt_module=dynamic --with-stream=dynamic --with-stream_ssl_module --with-mail=dynamic --with-mail_ssl_module --prefix=/usr

    please advice me sir

  2. try to change to nginx 1.21 and show me full step what do you do ,please !


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