Disabling TCP windows scaling indeed did the trick. I would recommend disabling this by default since it seems to cause these kinds of obscure bugs with various configurations. Even if it's not Ubuntu's fault, we can't fix every server out there, or hope they ever will get fixed anyway.
Thanks for your help! -- skge driver causes TCP download failure https://bugs.launchpad.net/bugs/121423 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs