[kimaldis]

I think I got it. Turn web sharing off, it all works. Turn it back on again, it fails. Which explains why a while back it was sometimes working for me, sometimes not. I was using MAMP, which doesn't run as a service; I was only using it when I needed it.

Omnifocus is being very naughty:-


May 13 18:45:24 MacBook Firewall[4214]: httpd is listening from ::ffff:0.0.0.0:61320 proto=6

it's not inconceivable that a Mac might be running a web server after all, is it..