Download websites that use IBM HTTP Server

About IBM HTTP Server

A web server is usually a decision. IBM HTTP Server is usually a consequence, arriving with a middleware purchase rather than being chosen by the team that runs the site. Our index credits IBM, records a Proprietary license, dates the product to 1998 and lists C as the implementation language, which together describe a piece of infrastructure old enough to have outlived several generations of the applications it fronts.

Age shows up directly in the version data. The version string we record for it is 1.3.28.1, and across the detected sites we hold only 3 distinct version strings. A spread that narrow, attached to a numbering line belonging to an earlier era of web server releases, is not what an actively upgraded fleet looks like. Long lived installations patched under a support contract instead of being rolled forward produce exactly this pattern, and a banner is a claim the server makes about itself rather than a verified build, so the string should be read as what the deployment reports, not as proof of what is installed.

Scale needs the same care. As of October 2026 we detect it on 15 sites. Enterprises running this class of software routinely suppress server tokens, terminate traffic at a content delivery network or a reverse proxy, and keep most of their estate on internal networks no crawler will ever reach. The public figure is therefore a small and biased sample of a much larger installed base, weighted towards deployments whose default headers were never touched.

Used carefully, the version fact is still a practical part of the record. A server banner can be matched against the middleware generation it shipped with, which lets a researcher date an estate without asking anyone inside it, and dating an estate is usually the question behind the question. An organisation running a web tier from an earlier platform generation is telling you something about its upgrade appetite, its support spend and how much of its architecture predates the current team.

What survives all that caveating is a strong inference. Presence of this server on a public host suggests an organisation that standardised on one vendor's application stack, kept it through the years when the industry moved elsewhere, and still carries the operational habits and support relationships that go with it. Banking, insurance, government, healthcare and manufacturing are where a profile like that concentrates, and the web tier is one of the few parts of such an estate visible from outside.

The people who want the full list are specific. Migration and modernisation practices sell into exactly this population. Security researchers mapping legacy attack surface need the domains rather than a sample of them. Vendors of application servers, monitoring and identity products use the signal to find accounts where a long standing platform decision might finally be in play.

None of those uses is served by checking one domain at a time, because the value lies in the population and its overlaps. The downloadable list gives every matched host with the rest of its detected stack in the same row, so the estate can be cut by co-installed technology, by country, by domain suffix or by whatever else defines the account you are actually looking for.