On Thu, 10 Jan 2008, Raphael Vallazza wrote:
i wrote a very simple patch for ipvs that enables a kernel config option that
allows to choose where IPVS intercepts incoming connections. These are the
- LOCAL_IN (default: works as usual)
- PRE_ROUTING (puts LVS input right after the mangle PREROUTING and before
the nat PREROUTING chain)
neat. I thought it was hard enough to move that it wouldn't
be just an option :-)
By selecting the PRE_ROUTING option transparent proxying is possible (i've
tried in DR and NAT mode), because packets are sent to real servers before
NAT, this way the realserver can do a DNAT/REDIRECT etc. to send the packets
to the proxy application. This also works for the localnode, because packets
go thru the PREROUTING after LVS, and ther could be DNATed/REDIRECTed.
what we'd really like is ipvs hooked into the FORWARD chain.
Can you do this too?
I tried it on some test boxes and it seems to work pretty well, i'll do some
stress testing in the next few days. I could send you a setup example if you
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
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