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udplogger and nginx

Xavier Beaudouin
December 12, 2011 12:26PM
Hello there,

I am trying to use udplogger module to push httplogs into distant
server, the https://github.com/vkholodkov/nginx-udplog-module module

Problem I have is that I cannot find "real life" example on how to use
this module, also how to make it send syslog stuff into my distant
syslog system.

The 1.0.0 plain module seems to segfault (mostly because it seems to
try to send data to the distant syslog system, but since it is not yet
correctly configured, I don't have any clue about that).

I may miss something, since the readme of this module is quite small...

According to

I have 3 configuration directives :

{ ngx_string("access_udplog"),


{ ngx_string("udplog_priority"),


{ ngx_string("udplog_tag"),

offsetof(ngx_http_udplog_conf_t, tag),

I have specified them into my nginx.conf but doesn't help.

Seems that :

if(ulcf->off) {
return NGX_OK;

the "off" variable is always to off so the module is not active.

Now I don't know how to make this ulcf->off to 0 instead of 1, since
nginx.conf look like what this modules needs to make it work.

Any hints or help ?

For information, my nginx.conf :

user nobody;
worker_processes 1;

#error_log logs/error.log;
error_log logs/error.log notice;
#error_log logs/error.log info;
#error_log logs/error.log debug;

#pid logs/nginx.pid;

events {
use kqueue;
worker_connections 4096;

http {
## Hashing virtual hosts
server_names_hash_max_size 1024;
server_names_hash_bucket_size 128;

## MIME Types
include mime.types;
default_type application/octet-stream;

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

keepalive_timeout 55;
sendfile on;
tcp_nopush on;
tcp_nodelay on;

## UDP Log
access_udplog on;
udplog_tag main;

# Main Server
server {
udplog_tag default;
#access_udplog off;
access_log off;
listen *:8080;
listen [::]:8080;
server_name _;
server_name_in_redirect off;
location / {
index index.html;
root /http/default;

# Virtual Servers

server {
listen *:8080;
listen [::]:8080;
server_name fqdn.com www.fqdn.com;

access_udplog 172.31.x.x:514 main bare;
#udplog_priority local7.info;
udplog_tag fqdn.com;
access_log off;

index index.php index.html index.htm;
location / {
root /http/fqdn.com;

#error_page 500 502 503 504 /50x.html;
location = /50x.html {
root /hosting/http/default;

# serve static files directly
location ~* \.(jpg|jpeg|gif|css|png|js|ico|html)$ {
#access_log off;
expires max;

# pass the PHP scripts to php-fpm server listening on
location ~ \.php$ {
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /http/fqdn.com$fastcgi_script_name;
include fastcgi_params;

location ~ /\.ht {
deny all;


Xavier Beaudouin

nginx mailing list
Subject Author Posted

udplogger and nginx

Xavier Beaudouin December 12, 2011 12:26PM

Re: udplogger and nginx

Umesh Sirsiwal December 12, 2011 04:12PM

Re: udplogger and nginx

Xavier Beaudouin December 12, 2011 05:00PM

Re: udplogger and nginx

Umesh Sirsiwal December 12, 2011 05:18PM

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