[Shorewall-newbies] firewall setup error help! please! asap
oilfield123 at hotmail.com
Sat Dec 6 21:26:43 PST 2003
Help! i'm a newbie at this firewall stuff and my system was hacked and i
need to get this fixed asap.... i am using the leaf shorewall firewall
program on disk... kinda scary if you ask me ( i didn't set it up) the guy
that set it up originally is gone... can someone please tell me how to set
up the rules file to block all access to my mail servers & gateways at the
firewall and send all incoming mail to one of the gateways ... i use postfix
and amdvisa , spammassin etc on a primary and backup mail gateway that
forwards the mail ( after it has been cleaned up) to a seperate mail server
box with imail on it...
my webserver got hacked and i want ( i NEED is more like it :) to block all
access to that server except for SSL, http and some ftp can you tell me how
to "code" that rule ... i was reading the docs (which is greek to me) but
everything seems to point to allowing things in ...not blocking ..is that
one last question.... i see it has allow ping to server by "default" ...
isn't that something you'd want turned off? not allowed... what useful
purpose does that serve... i was going to turn it off but wasn't sure what
effect that may have on the operation of my system.... can i turn that off
without hurting anything...
thanks GREATLY in advance!
i await your speedy reply ............
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