[CentOS] iptables question

Robert Spangler mlists at zoominternet.net
Wed Aug 27 23:19:37 UTC 2008


On Tuesday 26 August 2008 16:17, Ned Slider wrote:

>  Joseph L. Casale wrote:
>  >> My understanding is that --dport can only specify a single port
>  >> (--dport 80) or port range (--dport 137:139) inclusive. Use of the
>  >> multiport module allows up to 15 ports (or port ranges) to be
>  >> specified.
>  >
>  > Ned,
>  > So to write --dport 5060,10000:60000 you need to write:
>  > -m multiport -p udp -dport 5060,10000:60000
>  > Correct?
>  >
>  > Thanks for the help!
>  > jlc
>
>  I've not used multiport so am unsure of the exact syntax, but that looks
>  reasonable.
>
>  I'd keep the -m multiport and --dports together though (also note it's
>  --dports, not -dport), so something like this:
>
>  iptables -A INPUT -p udp -m multiport --dports 5060,10000:60000 -j ACCEPT
>
>  would accept all UDP packets destined for ports 5060 and 10000-60000.

Some light reading on IPTABLES.  :)

http://iptables.rlworkman.net/chunkyhtml/index.html


-- 

Regards
Robert

Smile... it increases your face value!
Linux User #296285
http://counter.li.org


More information about the CentOS mailing list