Random 500 errors

Dave Wreski <dwreski@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> · Mon, 19 Apr 2021 22:02:35 -0400

Hi,

I have an apache-2.4.46 system on fedora33 and having weird 500 errors 

that I can't explain.

72.70.38.104 - - [19/Apr/2021:21:38:56 -0400] "GET 

/advisories/debian/debian-dsa-2944-1-gnutls26-security-update HTTP/1.1" 

500 12704 "-" "Mozilla/5.0 (compatible; bingbot/2.0; 

+http://www.bing.com/bingbot.htm)" 2/2408334 915/21235/12704

Going to this page directly loads the page just fine.

I've also just started to notice the following entries in 

/var/log/httpd/modsec_audit.log:

--47be4126-F--
HTTP/1.1 500 Internal Server Error
X-LiteSpeed-Purge: *
Cache-Control: no-cache
Pragma: no-cache

Set-Cookie: 5eae87e0f12142efcb88fb03b93e82b2=qil7ieh6m1tcnrj8dn0vkfc4s5; 

path=/; secure; HttpOnly

Set-Cookie: ct_timestamp=1618882240; path=/

Set-Cookie: 

ct_prev_referer=https%3A%2F%2Flinuxsecurity.com%2Fcontact-us; path=/

Set-Cookie: 

ct_cookies_test=%7B%22cookies_names%22%3A%5B%22ct_timestamp%22%2C%22ct_prev_referer%22%5D%2C%22check_value%22%3A%22d4c4a7a2546fbe6

12cba4c38dc2c8949%22%7D; path=/
Strict-Transport-Security: max-age=15768000
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Vary: User-Agent
Cache-Control: public
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

What does this mean? Is this just reporting the error or something 

related to mod_sec causing the error?

Thanks,
Dave

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