Brian Ghidinelli wrote:
> 
> A blanket ACCEPT rule on outgoing traffic doesn't seem very secure for a 
> firewall, though.

It isn't, and in my case there's a firewall in front of the LVS.

Outgoing FORWARDed traffic is not the one allowed though, it is the 
traffic originating on the LVS machine itself, the OUTPUT chain in the 
main table which is usually left open anyway.

Since then I have noticed the INPUT chain would have blocked the same 
packet in the same configuration, so both INPUT and OUTPUT need to have 
a stateless ACCEPT on that tcp port for the LVS to work.

--
Laurentiu

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