Hi Harlan!

> This was exactly right! The firewalls were blocking the packets. I
> disabled them, and things now work correctly. Configuring the Linux
> firewalls to allow Amanda and Samba would be the next step. I'll ask Red
> Hat about that -- it didn't look obvious how to do that... Thanks!

Read the thread "Client behind a firewall" in this Mailinglist. I
suppose, you've got to recompile Amanda with the options
"--with-tcpportrange=X,Y" and "--with-udpportrange=xxx,yyy", so you
can define the portrange, for wich you should open your firewall.

Bye,
Simon

-- 
Simon Frettloeh
Institute AIFB
(Applied Computer Science and Formal Description Methods)
University of Karlsruhe
Engler Str. 11 - 76128 Karlsruhe - Germany