Re: source_ping

From: Henrik Nordstrom <>
Date: Thu, 14 Jan 1999 09:09:40 +0100

Ettore De Simone wrote:
> What happened to the source_ping parameter in 2.x version ? Was it
> removed, renamed or what ?

I think it was removed.

Why source_ping is bad:
* It is unreliable. Many sites do not provide a echo port
* It makes people upset as UDP ECHO is not normally used for contacting
WWW servers..
* It adds a considerable amount of network traffic to your cache and the
origin sites.

The code is still there if you define ALLOW_SOURCE_PING in src/squid.h,
but I can't guarantee that it works (not tested at all in squid 2, as
far as I know).

A alternative which shares some but not all of the drawbacks is

Henrik Nordstrom
Spare time Squid hacker
Received on Thu Jan 14 1999 - 01:31:20 MST

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