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Re: IP Masquerading & ipfwadm



Hi

To make this relevant to this newsgroup, I'm sure all servers mentioned
below are running Linux:


Forwarded message:
> 
> Rabbi Tarfon of Bet Shean said of Rabbi Shlomo ben Yechezkel of
> Tiverya:  It is said that in those days Rabbi Shlomo ben Yechezkel
> of Tiverya designed a web site for the mother of his father, Sarah
> the daughter of Pinchas, who begat Yechezkel, who begat Rabbi Shlomo
> ben Yechezkel of Tiverya. Thus Rabbi Shlomo ben Yechezkel of Tiverya
> performed the mitzvah of web site design.
> 
> Rabbi Michal ben Elkanah, who had only one eye, said: But is it
> not also said that in those days there was no web, only gopher?
> 
> Rabbi Shmaryahu of Hevron said:  It is true, but as it is written:
> "A web browser may also use the gopher protocol, in addition to
> the HTTP protocol."
> 
> Rabbi Eliezer asked:  Why does it specifically mention that the
> web browser may also use the gopher protocol, when it is written
> elsewhere that a web browser may use any protocol?  Because the
> gopher protocol is especially meritorious, since it enables support
> of legacy systems.
> 
> One time a poor man came into the home of Rabbi Shmaryahu of Hevron
> and asked for two megabytes of disk space on the web site of Rabbi
> Shmaryahu of Hevron.  Rabbi Shmaryahu of Hevron refused the man,
> but instead gave him a personal web server for his own use.  At
> this point Rabbi Yehudah ben Yerachmiel asked Rabbi Shmaryahu of
> Hevron: Why did you refuse this man's request, but instead give
> him a personal web server for his own use?
> 
> Rabbi Shmaryahu of Hevron replied:  It [the Mishnah] teaches: "When
> a poor man comes into your home and asks for disk space on your
> web site, first ascertain whether he is going to use it for his
> own purpose or for the purpose of idol worship.  If he is going to
> use it for his own purpose, grant him the space he asks, unless it
> exceeds twenty ephraot [one ephrah = 213 kilobytes], in which case
> you may refer him to a local Internet service provider, for as it
> is written:  It is not upon you to complete the task, but neither
> are you free to desist from it. If he  is going to use it for the
> purpose of idol worship, then do not give him the space, but instead
> rebuke him, that he might see the error of his ways and refrain
> from idol worship."
> 
> Rabbi Gideon of Shechem disagreed, saying:  It [the Mishnah] also
> teaches:  "When a poor man requests space on an FTP server, you
> must grant it without asking why he is going to use it."  Why would
> the Mishnah impose requirements on a web server but not an FTP
> server?
> 
> Rabbi Shmaryahu of Hevron said:  Rabbi Eliezer said:  Why does it
> specifically mention that the web browser may also use the gopher
> protocol when it is written elsewhere that a web browser may use
> any protocol? Because the gopher protocol is especially meritorious,
> since it enables support of legacy systems. Similarly, the FTP
> protocol is especially meritorious.  Therefore, it is unfair to
> deny a poor man access to FTP, whereas it is sometimes permitted
> to refrain from giving a poor man access to HTTP, because without
> HTTP he can still serve files using FTP, but without FTP he will
> be unable to put his files on the server, since the means for saving
> files over HTTP are unreliable.
>