[CentOS] Re: blocking outgoing ports with iptables

Tom Diehl tdiehl at rogueind.com
Sun Oct 30 22:43:58 UTC 2005

On Sat, 29 Oct 2005, Ajay Sharma wrote:

> Hi,
> I'm using the generic system-config-securitylevel-tui program on a remote 
> server to configure my firewall.  So far it's been fairly decent, allowing me 
> to open up ports and whatnot.  But I want to start blocking a couple of 
> outgoing ports on my machine.  I want to lock it down so the only traffic 
> going in our out of my machine is stuff that I specify.
> Is there a way to do this with the system-config-securitylevel program?  If

Not that I am aware of.

> not, what do you recommend I use to configure the firewall?

There are a couple of other programs available. I prefer firewall builder.
Others will suggest programs like shorewall, firestarter, gShield, etc..



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