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[DeleGate-En] Re: delegated reload very slow most of time.
09 Jun 2008 07:49:08 GMT (Yutaka Sato)
The DeleGate Project


In message <003d01c8c052$7e13feb0$7a3bfc10$> on 05/28/08(08:36:24)
you "David Wang" <> wrote:
 |As for parameter RES_VRFY="", normally where should I add it to? Command
 |line like the below or config file?
 |/home/delegate/dgroot/bin/delegated -P443 SERVER=https RES_VRFY=""
 |Also I checked the manual, it says this parameter default is none, what does
 |it mean "none"? Does it mean by default reverse DNS lookup verification is
 |enabled? So we need to disable it via RES_VRFY=""?

No, it is disabled by default.

The value of the RES_VRFY is not yet defined (I think maybe I thought it
should be a list of addresses to be verified) so just the existence of
RES_VRFY= indicates enabling the verification.

On 05/13/08(13:06) I wrote in <_A3975@delegate-en.ML_>
 |In this case, the parameter RES_VRFY="" should be added to verify the
 |reverse resolution to avoid spoofing by DNS for "http.clients" domain.

When you use host-names or domain-names of clients for access control, it
should be verifyed by DeleGate because it can be easily spoofed by the
DNS server at client side.

  9 9   Yutaka Sato <>
 ( ~ )  National Institute of Advanced Industrial Science and Technology
_<   >_ 1-1-4 Umezono, Tsukuba, Ibaraki, 305-8568 Japan
Do the more with the less -- B. Fuller

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