[p4] Trigger scripts (Update)

[Arnt Gulbrandsen]

Xianzhou Guo writes:
> I guess it's partially my fault.
>
> I found if I use an internal IP, it's fast. If I use the external IP 
> (even I am on lan), it's slow. As I work on my laptop a lot, I want 
> to make sure it's always accessible, so I set it as external IP.
>
> Not sure why the external IP/internal IP make such a big difference.

Try investigating the difference in DNS lookups.

Arnt