Questions tagged [mod-security]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
77 views

Modsecurity Nginx breaks Wordpress's Woocommerce checkout page. Need help finding working rule exclusions

I am running an Ubuntu 20.04 based LEMP server on a Raspberry Pi 4. I am working on a Wordpress Woocommerce website at https://www.mcmo.is. Currently on iOS using Safari or Google Chrome, I can't get ...
DanRan's user avatar
  • 101
1 vote
0 answers
989 views

.htaccess security headers for IONOS

I need to implement security headers for a website hosted by IONOS. I've used the following code, which works on sites hosted elsewhere, but not here. <IfModule mod_headers.c> Header set ...
Andrew's user avatar
  • 119
4 votes
0 answers
221 views

When Bing requests a sitemap or a robots.txt, why do I see Apache reject the 1st request with a 403, followed immediately by a 2nd successful request?

This is a small issue that has been ongoing for quite some time. When I check my Apache server log for 403's, all entries are related to Bing, and all from when it requests a robots.txt, sitemap.txt, ...
Displayname71's user avatar
2 votes
1 answer
132 views

Can mod_security run in a “permissive” mode?

SELinux has a "permissive" mode where violations are logged but not enforced, thus allowing for debugging and troubleshooting before locking the system down. Is there such a feature in ...
slightly_toasted's user avatar
3 votes
1 answer
357 views

cloudflare free vs ModSecurity on Linux shared hosting

On my shared Linux hosting from Hostgator, I had ModSecurity enabled. My website is a Wordpress site, where the Google login redirection URL after successful authentication was being blocked by ...
Wiltordd's user avatar
0 votes
0 answers
137 views

buckaroo return url flagged by mod_security

Mod security flagged this buckaroo return url as a possible SQL injection attack Short of excluding /you/pay/buckaroo from mod security rules all together from protections with SecRule ...
Tschallacka's user avatar
1 vote
1 answer
58 views

Researching .htaccess Syntax

In my template .htaccess file I have been copying and pasteing alot of rules and researching .htaccess for around 2 weeks in an attempt to try and better understand the syntax, different modules & ...
Ryan Stone's user avatar
3 votes
1 answer
2k views

Request Missing a User Agent Header

I activated ModSecurity on a cheap web hosting but I have no control over it: that is, the only thing the service provider lets you do is reading logs but, unfortunately, you can't really configure ...
user avatar
1 vote
1 answer
834 views

how can file content affect whether its uploading gets a 403 error

I use ajax (POST) in javascript to send text data to be saved as a file on the server by a php program (which simply does an fopen, fwrite and fclose). This generally works OK. However recently I ...
Peter Cooper's user avatar
1 vote
1 answer
1k views

Handling requests to server's IP address

I have an Apache Web Server running some virtual hosts, site1.com and site2.com. What do I do with requests to the server's IP address? Is it safe to allow requests by IP or do I need block, ...
MagicHat's user avatar
  • 119
3 votes
0 answers
283 views

Why am I seeing "*QUERYSTRINGPII_REMOVED*" in the query string of a lot of requests

I regularly see URIs like the following that contain *QUERYSTRINGPII_REMOVED* and the IDS blows them away without further examination. I could just allow the asterisk character but it isn't legitimate ...
nutcase's user avatar
  • 41
8 votes
0 answers
419 views

Installing Comodo software on an Apache-based Modsecurity module [closed]

I am very new to the VPS world and I want to install Modsecurity on my new VPS (Ubuntu 16, Apache, Webmin) after getting many recommendations to do so (already installed CSF-LFD but had many voices to ...
user avatar
6 votes
1 answer
1k views

Block IP requesting xmlrpc.php

We have a firewall with modsecurity installed. I would like to write a rule to block any IP address for 24 hours if that IP requests xmlrpc.php. Please note that we do not use WordPress on our ...
Marcus's user avatar
  • 163
1 vote
0 answers
1k views

rotating mod_security logs with rotatelog

I would like to rotate mod_security logs with rotatelogs, as this does not need a restart of the httpd, like logrotate does. However, it seems like mod_security does not want to work together with ...
Isaac's user avatar
  • 111
2 votes
2 answers
671 views

Prevent request via IP address of server

I'm pretty sure there's a way to prevent access to a website through the server IP address and to force the user to enter the domain name instead. so that http://156.56.75.87 should trigger a 403 and ...
Sam's user avatar
  • 464
1 vote
2 answers
731 views

Filtering content from response body HTML (mod_security or other WAFs)

We have Apache on Linux with mod_security as the Web App Firewall (WAF) layer. To prevent content injections, we have some rules that basically disable a page containing some text patterns from ...
Bingo Star's user avatar
1 vote
0 answers
45 views

Regex isn't honored in mod_security2

SecRule REQUEST_URI "^/(|(.*)/)(lpt1|lpt2|lpt3|lpt4)(/|\.|\?|$)" "t:none,t:htmlEntityDecode,t:lowercase,t:removeWhitespace,block,msg:'X',id:'1000'" SecRule REQUEST_URI "^(.*)//(.*)$" "t:none,t:...
Krey's user avatar
  • 11