Detect mod_jk
Mod_jk is an Apache module used to connect the Tomcat servlet container with web servers such as Apache, iPlanet, Sun ONE (formerly Netscape) and even IIS using the Apache JServ Protocol. A web server waits for client HTTP requests.
01
Websites using mod_jk
7 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| geonames.org | 8/3/2026 |
| wordhippo.com | 8/3/2026 |
| hkcsl.com | 8/5/2026 |
| ohs.org | 8/5/2026 |
| grioo.com | 8/5/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known mod_jk signature at the time of the scan.
- Does not establish
- A sitewide install of mod_jk, an active vendor contract, exclusive use, or that mod_jk is still in place today.
03
How to check a site for mod_jk
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest mod_jk signals.
- 2. PluginView reads only public responses and scores them against proprietary mod_jk fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for mod_jk on the results page.
04
Commonly implies
A confirmed mod_jk match also implies these technologies are present.
05
FAQ: detecting mod_jk
- Can PluginView detect mod_jk without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for mod_jk. It does not bypass authentication or paywalls.
- What category is mod_jk?
- mod_jk is classified under Web server extensions in the PluginView directory.
- Does PluginView publish mod_jk fingerprint rules?
- No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.
