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Firewall set up / general BSD questions
From: Dave Beckstrom (dbeck
atving.com)
Date: Wed Dec 01 2004 - 11:17:51 CST
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Hi all,
I just joined the list. I've done a bunch of reading (forums, web sites,
manuals) this morning and last night and I've not had much luck finding
some answers to my questions. I'm hoping you folks can help get me going.
I installed OpenBSD 3.6 on a new server yesterday. I'm setting it up as a
transparent bridged firewall with no IP address on the server. Its only job
is packet filtering.
When I log in as root I see a message saying I have mail. I'm not a 'nix
person. I'd appreciate if someone can tell me how I view the mail messages
and delete them? Apparently it's not email but rather messages about the
server.
Is there any reason why I should not disable sendmail on this box? To
disable it, I update the rc.cfonf file and set sendmail_flags=NO, correct?
This box has identd running on it. Given its purpose in life, is there any
reason I can't disable identd? I do have an IRC server sitting behind the
firewall but as I understand it identd on the firewall (bridged) has nothing
to do with anything correct?
My server has one gig of ram on it. I have these notes from when I
installed my 3.3 openbsd server a year or so ago.
# config -e -o bsd.new /bsd
OpenBSD 3.3 (GENERIC) #44: Sat Mar 29 13:22:05 MST 2003
deraadt
i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
Enter 'help' for information
ukc> nmbclust
nmbclusters = 2048
ukc> nmbclust 8192
nmbclusters = 8192
ukc> quit
Saving modified kernel.
Is there still a need, or would you recommend, that I increase the nmbclust
on this 3.6 server too?
Thanks for any advice you can offer.
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