Weird Firefox problem

Yesterday I replaced the DOCSIS 2.0 cable modem supplied by TWC for $10/mo with a DOCSIS 3.0 modem I purchased. After activating the modem, I suddenly have a weird problem accessing these forums in Firefox.

I have book-marked [forums.reprap.org] which works fine. If I click the "home" link at the upper left from any of the subforums, it takes me back to the home page as expected. If I click the large RepRap logo it takes me to [forums.reprap.org] and I get a "404 not found" error. Before I installed the new modem, it took me back to the home page.

I've tried it using Chrome and it works as expected- the RepRap logo link takes me back to the home page (and refreshes it).

Any ideas what Firefox does that's different? Maybe an IPV6 issue?

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Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]

No IPV6 for the forums... its all IPV4 (as far as I can tell, no AAAA records...)

Setup wireshark.
load the forum in firefox
start wireshark, set a host filter of 69.46.82.69 and start capturing

click on the reprap logo

Stop capture and examine the capture.

Edited 1 time(s). Last edit at 03/11/2016 07:28PM by Dust.

The second link has "ap_index" appended to it. A quick google shows people having that issue on different sites. Sounds like clearing caches etc in the browser should fix it.

Clearing the cache fixed it. Thanks!

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Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]