Difference between revisions of "Mod security"
| Line 13: | Line 13: | ||
Step 2) Add the following | Step 2) Add the following | ||
| − | + | <IfModule mod_security2.c> | |
| − | + | SecRuleEngine Off | |
| − | + | </IfModule> | |
Step 3) Add vhost.conf to domain config | Step 3) Add vhost.conf to domain config | ||
Revision as of 16:33, 30 November 2009
Disabling Mod_Security Globally
Step 1) Disable config file
mv /etc/httpd/conf.d/00_mod_security.conf /etc/httpd/conf.d/00_mod_security.conf.disabled
Step 2) Restart Apache
service httpd restart
Disabling Mod_security per domain
Step 1) edit the vhost/vhost_ssl.conf for the domain
vim /var/www/vhosts/<DOMAINNAME>/conf/vhost.conf
Step 2) Add the following
<IfModule mod_security2.c> SecRuleEngine Off </IfModule>
Step 3) Add vhost.conf to domain config
/usr/local/psa/admin/bin/websrvmng -a
Step 4) Restart Apache
/etc/init.d/httpd restart
Disable Mod_security on a global URL
Step 1) Create a global exclude file
vim /etc/httpd/modsecurity.d/00_asl_custom_exclude.conf
Step 2) Add the LocationMatch for the url to exclude. Example: /server.php
<LocationMatch /server.php>
SecRuleEngine Off
</LocationMatch>
Step 3) Restart apache
/etc/init.d/httpd restart
Disable a Mod_security rule (or rules) for all applications in a single domain
Step 1) edit the vhost/vhost_ssl.conf for the domain
vim /var/www/vhosts/<DOMAINNAME>/conf/vhost.conf
Step 2) Add the LocationMatch for the rule to exclude. Example, ruleid 950005
<LocationMatch .*>
SecRuleRemoveById 950005
</LocationMatch>
If you want to disable multiple rules:
Step 2) Add the LocationMatch for the rule to exclude. Example, ruleids 950005 and 950006
<LocationMatch .*>
SecRuleRemoveById 950005
SecRuleRemoveById 950006
</LocationMatch>
Disable Mod_security rule for a specific application in a single domain
Step 1) edit the vhost/vhost_ssl.conf for the domain
vim /var/www/vhosts/<DOMAINNAME>/conf/vhost.conf
Step 2) Add the LocationMatch for the rule to exclude. Example, ruleid 950005
<LocationMatch /URL/path/to/application.php>
SecRuleRemoveById 950005
</LocationMatch>
Disable Mod_security rule for all domains
Use ASL utility to disable rule by ID. Example: 950005
asl --disable-signature 950005
Note: This requires that Atomic Secured Linux be installed.
If you do not have Atomic Secured Linux you can disable a rule globally manually by adding a rule like this:
<LocationMatch .*> SecRuleRemoveById 340000 </LocationMatch>
Disable Mod_security rules globally for a specific application
Add this to either you vhost.conf file, or if your want to make this global make sure this exclusion is loaded after your rules are loaded. A good place to add this in the 999_asl_user_exclude.conf file. If you don't have this file, just create it. The system is smart enough to know to load it.
<LocationMatch /url/to/your/application> SecRuleRemoveById 1234567 SecRuleRemoveById 9999999 </LocationMatch>
Whats important to remember is that the LocationMatch variable must match the URL, not the path on the system.
Disable Mod_security rules by domain, for a specific application, for a list of IPs
Step 1) edit the vhost/vhost_ssl.conf for the domain
vim /var/www/vhosts/<DOMAINNAME>/conf/vhost.conf
Step 2) Add the LocationMatch for the rule to exclude.
<LocationMatch /foo/bar.php>
SecRule REMOTE_ADDR "@pmFromFile /etc/asl/whitelist" "nolog,phase:1,allow"
</LocationMatch>
Step 3) Add IP to /etc/asl/whitelist
echo "10.11.12.13" >> /etc/asl/whitelist
Or:
If you want to create a special whitelist for just that application:
Step 1) edit the vhost/vhost_ssl.conf for the domain
vim /var/www/vhosts/<DOMAINNAME>/conf/vhost.conf
Step 2) Add the LocationMatch for the rule to exclude.
<LocationMatch /foo/bar.php>
SecRule REMOTE_ADDR "@pmFromFile /path/to/your/custom/whitelist_for_this_application" "nolog,phase:1,allow"
</LocationMatch>
Step 3) Create your custom whitelist and add IP to /etc/asl/whitelist
echo "10.11.12.13" >> /path/to/your/custom/whitelist_for_this_application
Keep in mind these custom lists are *not* managed by ASL, so if you want to add IPs to these lists you will need to do it from the command line.
