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i am doing some load testing on apache and i gets tons of internal dummy connections

::1 219 - [22/Dec/2011:11:02:57 +0000] "OPTIONS * HTTP/1.0" 200 181 "-" "Apache (internal dummy connection)" ::1 221 - [22/Dec/2011:11:02:58 +0000] "OPTIONS * HTTP/1.0" 200 181 "-" "Apache (internal dummy connection)" ::1 188 - [22/Dec/2011:11:02:59 +0000] "OPTIONS * HTTP/1.0" 200 181 "-" "Apache (internal dummy connection)" ::1 243 - [22/Dec/2011:11:03:03 +0000] "OPTIONS * HTTP/1.0" 200 181 "-" "Apache (internal dummy connection)" ::1 215 - [22/Dec/2011:11:03:04 +0000] "OPTIONS * HTTP/1.0" 200 181 "-" "Apache (internal dummy connection)" ::1 178 - [22/Dec/2011:11:03:05 +0000] "OPTIONS * HTTP/1.0" 200 181 "-" "Apache (internal dummy connection)"

This is the virtual host config:

NameVirtualHost *:80 RewriteEngine on RewriteCond %{HTTP_USER_AGENT} ^.*internal dummy connection.*$ [NC] RewriteRule ^/$ /blank.html [L] <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot /var/www/vhosts/domain/html ServerName domain ErrorLog /var/www/vhosts/domain/error_log SetEnvIf REMOTE_ADDR "(.+)" CLIENTIP=$1 SetEnvIf X-Forwarded-For "^([0-9.]+)" CLIENTIP=$1 LogFormat "%{CLIENTIP}e %D %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" trueip_combined CustomLog "/var/www/vhosts/domain/access_log" trueip_combined <Directory /var/www/vhosts/domain/html> Options -Indexes FollowSymLinks Includes ExecCGI AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost>

To solve this i am readirecting all internal dummy connections to blank.html using the rewrite rule, but it give me a error in syntax?

[root@ip-10-56-1-98 ~]# /etc/init.d/httpd configtest Syntax error on line 3 of /etc/httpd/conf.d/vhosts.conf: RewriteCond: bad flag delimiters

Any ideas?

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2 Answers 2

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You need to escape the spaces like:

RewriteCond %{HTTP_USER_AGENT} ^.*internal\ dummy\ connection.*$ [NC]
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  • the syntax worked, but i still get the same errors on access log Commented Dec 22, 2011 at 11:51
  • What do you mean by "worked but get the same errors on access log"? Commented Dec 22, 2011 at 11:59
  • means it still logs the error "interal dummy error" and does not redirect to blank.html Commented Dec 22, 2011 at 13:08
  • You may consider simplifying that condition. I see no reason why you need to test for the full UA string here, and it's complicating things. Consider: RewriteCond %{HTTP_USER_AGENT} ^Apache [NC] instead. Commented Dec 22, 2011 at 14:11
  • i have now put the rules in the virtualhost config and that works.. thanks for the help Commented Dec 23, 2011 at 9:44
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Solution that works for me

Replace

CustomLog "logs/access_log" combined

With

SetEnvIf Remote_Addr "::1" loopback SetEnvIf Remote_Addr "127\.0\.0\.1" loopback CustomLog logs/access_log combined env=!loopback

Source

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