Forum OpenACS Q&A: hanging at login and logout (but doing it)

I use iptables and portforwarding to enable access to a web server
running openacs behind my firewall. Have ForceHostP set to 0.

External access hangs on login and logout, but the login and logout
get done. On login, get hang but if come back to web site, get "go
directly to ... workspace ..." and when I do, it does. When logout,
hangs. However, when come back, no "go directly to..." message.

After login hang and selection of "go directly...", have full access
(am administrator) and can do everything I have tried, including add