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nginx not forwarding requests to backend servers.

Brian Pugh
July 27, 2016 09:44AM
I am posting this again because a copy never appeared in my inbox. Please
ignore if it was actually delivered to the group already.

I am using nginx as a load balancer. However when I type in the URL for my
site, which resolves to the IP of the load balancer, I get the default
nginx page saying "nginx has been setup more configuration is required". I
would expect nginx to forward my request through to the backend servers I
have defined. And oddly enough, there is very little in the way of logging
going on, to tell me why its failing.

*My nginx.conf file is as follows:*

user nginx;
worker_processes 4;

error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;


events {
worker_connections 1024;
}


http {
upstream myappliationsite.net {
# Use ip hash for session persistance
ip_hash;
server backendappsite1.net;
server backendappsite2.net;
server backendappsite3.net;

# The below only works on nginx plus
#sticky route $route_cookie $route_uri;
}
include /etc/nginx/mime.types;
default_type application/octet-stream;

log_format main '$remote_addr - $remote_user [$time_local] "$request"
'
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';

access_log /var/log/nginx/access.log main;

sendfile on;
#tcp_nopush on;

keepalive_timeout 60;

gzip on;

include /etc/nginx/conf.d/*.conf;
}

*My default.conf file is as follows:*

server {

listen 80;
server_name myappliationsite.net;
keepalive_timeout 70;

#charset koi8-r;
#access_log /var/log/nginx/log/host.access.log main;

location / {
root /usr/share/nginx/html;
index index.html index.htm;
}

#error_page 404 /404.html;

# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root /usr/share/nginx/html;
}

# proxy the PHP scripts to Apache listening on 127.0.0.1:80
http://127.0.0.1/
#
location ~ \.php$ {
proxy_pass http://myappliationsite.net;
proxy_set_header HOST myappliationsite.net;
proxy_http_version 1.1;
proxy_set_header Connection "";
}

# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
#}

# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}

server {

listen 443 ssl;
server_name myappliationsite.net;
keepalive_timeout 70;

ssl_certificate /certs/fd.crt;
ssl_certificate_key /keys/lb.key;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers HIGH:!aNULL:!MD5;

#charset koi8-r;
#access_log /var/log/nginx/log/host.access.log main;

location / {
root /usr/share/nginx/html;
index index.html index.htm;
}

#error_page 404 /404.html;

# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root /usr/share/nginx/html;
}

# proxy the PHP scripts to Apache listening on 127.0.0.1:80
http://127.0.0.1/
#
location ~ \.php$ {
proxy_pass https://myappliationsite.net;
proxy_set_header HOST myappliationsite.net;
proxy_http_version 1.1;
proxy_set_header Connection "";
}

# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
#}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}

Can anyone help my get requests to go to the backend servers? Is there
any other config or depenency apps needed that I may not have installed or
running? Also is there a way to enable more advanced debug logging to give
me a better idea whats going on?

Thanks in advance!
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Subject Author Posted

nginx not forwarding requests to backend servers.

Brian Pugh July 27, 2016 09:44AM

Re: nginx not forwarding requests to backend servers.

crasyangel July 27, 2016 09:55AM

Re: nginx not forwarding requests to backend servers.

Brian Pugh July 27, 2016 10:08AM

Re: nginx not forwarding requests to backend servers.

crasyangel July 27, 2016 10:30AM



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