Re: Pragma: no-cache and Squid

From: Henrik Nordstrom <>
Date: Thu, 30 Apr 1998 23:06:38 +0200

Vladimir Litovka wrote:

> Why there are documents in cache, which has 'Pragma: no-cache' header?

'Pragma: no-cache' is only defined for requests, not responses.

Here is a short code segment that adds Pragma: no-cache parsing on
responses, but it should really be solved at the HTTP server by sending
proper Expires: and/or Cache-Control: headers.


        } else if (!strncasecmp(t, "Pragma:", 7)) {
            for (t += 7; isspace(*t); t++);
            if (!strncasecmp(t, "no-cache", 8)) {
                EBIT_SET(reply->cache_control, SCC_NOCACHE);
        } else if (!strncasecmp(t, "Cache-Control:", 14)) {

I's left as a excersise to the reader how to add this piece of code at
the right place.

Henrik Nordström
Sparetime Squid Hacker
Received on Thu Apr 30 1998 - 15:00:29 MDT

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