RedHat security

[Wade Chandler]

Larry D Sorensen wrote:
> Is there a good reference somewhere on how to add iptable rules for
> someone who has never done it before?
> (I am talking step-by-step)
> 
> Larry
> 
> On Wed, 15 Dec 2004 14:33:32 -0500 "Kenneth Goodwin"
> <kgoodwin at datamarktech.com> writes:
> 
>>> -----Original Message-----
>>> From: redhat-list-bounces at redhat.com
>>> [mailto:redhat-list-bounces at redhat.com]On Behalf Of Larry
>>
>>D Sorensen
>>
>>> Sent: Wednesday, December 15, 2004 1:45 PM
>>> To: redhat-list at redhat.com
>>> Subject: Re: RedHat security
>>>
>>>
>>> Is there  a way to tell which part of the iptables is
>>
>>causing the
>>
>>> connection problem between the servers without turning
>>
>>the
>>
>>> whole thing
>>> off?
>>>
>>> Larry
>>> On Tue, 14 Dec 2004 09:21:47 -0600 "O'Neill, Donald (US -
>>
>>Deerfield)"
>>
>>> <dooneill at deloitte.com> writes:
>>> > Your firewall is on. Type 'service iptables stop' to
>>
>>disable it.
>>
>>> > Then
>>> > to prevent it from starting on reboot, type:
>>> >
>>> > chkconfig --level 2345 iptables off
>>> >
>>> > -----Original Message-----
>>> > From: redhat-list-bounces at redhat.com
>>> > [mailto:redhat-list-bounces at redhat.com] On Behalf Of
>>
>>Larry D
>>
>>> > Sorensen
>>> > Sent: Tuesday, December 14, 2004 9:02 AM
>>> > To: redhat-list at redhat.com
>>> > Subject: Re:RedHat security
>>> >
>>> >
>>> > I recently installed RedHat Workstation 3 on 2
>>
>>different servers
>>
>>> > using
>>> > medium security. Both boxes are internal, (so I
>>
>>question why I used
>>
>>> > medium), but I am now having trouble with the 2
>>
>>databases on them
>>
>>> > talking. I believe it to be a security issue, but I am
>>
>>not sure.
>>
>>> > What
>>> > steps would I have to go through, short if
>>
>>reinstalling,
>>
>>> to make the
>>> > security how it would be if it were low?
>>> >
>>> > Larry
>>
>>
>>You probably just need to add in iptable rules on both
>>servers
>>to allow the other server to connect on the PORT number(s)
>>that your database software is using..
>>
>>
>>-- 
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>>
>>
> 
> 

Found by the friendly neighbor hood google search of: iptables howto

All different documents

http://iptables-tutorial.frozentux.net/iptables-tutorial.html

http://www.linuxguruz.com/iptables/howto/iptables-HOWTO.html

This one is the man page as html....easier to read in my op.
http://www.linuxguruz.com/iptables/howto/maniptables.html

There were some other results.  Go for it.

Wade

Google is your friend ;-)