On 10/06/2014 03:08 PM, Eero Volotinen wrote:
2014-10-06 22:02 GMT+03:00 Steve Clark <scl...@netwolves.com>:

On 10/06/2014 02:00 PM, Eero Volotinen wrote:

Hi List,

Is there easy way to get klips ipsec stack into centos 6? As it makes
firewalling ipsec traffic much easier..

Eero

Hi Eero,

If you are only concerned about firewalling incoming traffic why would you
need more than:
-A INPUT -p udp -s peerip/32 --sport 500 -d yourip/32 --dport 500 -j ACCEPT
-A INPUT -p esp -s peerip/32 -d yourip/32 -j ACCEPT


Also need to filter outgoing ipsec traffic and it's a bit complex on netkey
stack?

--
Hi Eero,

We are using ipsec-tools which is based on netkey. I am not sure I see the 
issue. Why wouldn't the
above rules work with those below:

-A OUTPUT -o ethx -p udp -s yourip/32 --sport 500 -d peerip/32 --dport 500 -j 
ACCEPT
-A OUTPUT -o ethx -p esp -s yourip/32 -d peerip/32 -j ACCEPT

If you only want the rules against a certain interface.



--
Stephen Clark
*NetWolves Managed Services, LLC.*
Director of Technology
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.cl...@netwolves.com
http://www.netwolves.com
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