Re: closing ports on RH7.2

Thanks everyone for your responses.


i did go to grc.com and although i have many ports open - it reads them 
as stealth which according to the site it's a good thing. Would anyone 
know what stealth indicates? The ports which were open and not stealth 
were 21, 80, 110.

Here are a few ports which are open:

32768
1025
98
995
389
32774
9128
9130
3306
10443


How do i tell who's using what? And is it important?

Thanks again,

2003 AD

Also, i do see all the ports which are open but in order to close them 
(correct me if i'm wrong) is to disable the service, no? If this is so, 
how do i match the port to the service? There are way too many!
Michael Turner wrote:

> >>2003 AD writes:
>
> >> On my Red Hat box:
> >>
> >> How can i determine which ports are open? How can i close them.
>
> >Pls. Try 'netstat' and 'fuser -n'. See the man pages
> >for switches.
>
> >RGDS
>
> You can try-
>
> Prompt>  netstat -an | grep -i listen
>
> This will tell you all the ports that are listening(aka open).   Most 
> can be shutdown in the rc.d directory or the initd.d directory. There 
> are some, the Sun RPC processes, that I forget how to shut them down 
> but it is possible. I highly recommend shuting down anything you do 
> not use as it is a portal which leave your computer exposed. Anyway, I 
> hope this helps, if you need anything else, just ask.
>
> Mike
>
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