On Tue, Nov 25, 2025 at 08:16:01PM +0000, Stuart Henderson wrote: > On 2025/11/25 14:36, Crystal Kolipe wrote: > > On Tue, Nov 25, 2025 at 11:55:13AM -0000, Stuart Henderson wrote: > > > On 2025-11-25, Crystal Kolipe <[email protected]> wrote: > > > > On Tue, Nov 25, 2025 at 06:17:59AM +0700, [email protected] > > > > wrote: > > > >> I sent the link of revision 1.4 of ed.c to someone else > > > >> and they confirmed they are redirected. > > > >> (others files and revisions of ed.c don't redirect me) > > > > > > > > The redirect usually happens when your browser doesn't supply a referer > > > > http > > > > header. > > > > > > > > It's an anti-scraping mechanism because automated bots were creating a > > > > heavy > > > > load on the server, (which runs a perl script to create each custom > > > > diff). > > > > > > the redirect to theannoyingsite wasn't a great joke in the first place > > > though and it would be better redirecting to something giving the poor > > > user some idea about what's going on. > > > > I think the expectation was that very few people would hit it, because just > > browsing the cvsweb interactively with a typical web browser you're usually > > providing the expected header for the diff script. But in practice people > > do > > things like bookmark a particular revision of a file for later review, or > > manually pass a link to a generated diff to another machine to download with > > the ftp client, etc, etc, and that breaks the expectation. > > Last time I tried, just clicking things on the pages was enough > to trigger it.
Well, have you been trying to hack the script? You can reliably get your IP address completely blocked by sending a single non-conformant value for one of the http post parameters, so very likely there either are or at least were other mechanisms in place.
