Orly,
> I used "strict firewalling" on install, and everything's locked down: you
> even have to MANUALLY specify outgoing connections (in this case port 123
> tcp/udp for NTP). anyway, it's sufficiently strict that NMAP gets to do
> nothing. =)
Funny you should mention this just when one of my junior sysadmins was
having a problem with a new RH7.1 box. He customized the install and only
specified certain package groups (as in Development and Kernel Development,
etc.) during the install. He also chose the "No firewall" option. Upon
reboot he couldn't get sendmail to accept remote connections and suspected
the firewall. He ran setup and found out that the firewalling option was
set to high. He reset it to No Firewall and rebooted. He did this about 4
times and each time he ran setup, the firewall option was again in Strict
mode. I wonder why it insists on doing so and if any of you encountered the
same behaviour.
BTW, the problem was not in the firewall it was in the sendmail config and
was detailed in RH's 7.1 Gotchas page under Support and Docs. We finally
got it working after that but the firewall option being set to always Strict
persisted. What gives?
M. Yu
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