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HTTP/2 Bomb — Remote DoS Exploit Hits nginx, Apache, IIS, Envoy, and Cloudflare

Started by Starburst, June 03, 2026, 02:33:34 PM

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Starburst

Would be useful either way to find out what mod_http2 the system is running.

cyberspace

I think the only way to find the version of mod_http2 is to check the log of the webserver:
/usr/local/apache/logs/error_log


grep 'mod_http2' /usr/local/apache/logs/error_log



Starburst

Quote from: cyberspace on June 08, 2026, 10:52:58 PM
I think the only way to find the version of mod_http2 is to check the log of the webserver:
/usr/local/apache/logs/error_log


grep 'mod_http2' /usr/local/apache/logs/error_log


You da man @cyberspace...

Shows the version for both mod_http2 and nghttp2  :)

6Sense

Thanks for the apache update cheatsheet @Starburst

Perfect as usual & always appreciated  :)
6Sense - Web Design, Development & Web Hosting