<html><body> <DIV> </DIV> <DIV> </DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid"> -------------- Original message -------------- From: Rick Stevens <rstevens@vitalstream.com> > On Thu, 2005-12-15 at 21:03 +0000, jlopes151@comcast.net wrote: > > > > I have RHEL 4 installed and want to open ports for an Oracle 10g > > > > install. Does any one know were I can find information on how this > > is > > > > done? > > > > > > I'm not certain which ports Oracle uses for network communication. > > It's > > > undoubtedly buried in the system documentation somewhere. > > > > > > Once you find those, you'll need to have them "-j ACCEPT" in your > > > iptables configuration. > > > > > > If you're not familiar with iptables config files, I recommend you > > use > > > either "redhat-config-securitylevel" (Desktop->System > > Settings->Secur! ity > > > Level) or something like Firestarter, available for free from > > > http://firestarter.sourceforge.net. > > > > > > > Thanks Rick > > > > Some of the ports ex:HTTP have a range 5500-5540 > > Ah, then some of your config lines would have something like: > > -A INPUT -p tcp -s 0.0.0.0/0 --dport 5500:5540 -j ACCEPT > > You might want to restrict the "-s 0.0.0.0/0" to a more reasonable > range for the machines you want to have access. The one above opens > you up to connections coming from anywhere. > > > Thanks for the help > > No worries, mate! > So to set the range for say the local machine and the next in the range I would do I would -s 1.2.3.4/5? </BLOCKQUOTE></body></html>