Re: [SQU] Refreshing problem

The problem is that you are running a transparent proxy and thereby
confuses things (both the proxy and the browser is technically working
correctly according to specifications, but ...)

Attached is a small hack you can use to make the reload button work when
running a transparent proxy and your users are using Microsoft IE
browsers, but please note that this will have a quite negative effect on
your hit ratio if many of your users are using IE browsers.

The best fix is to not run the proxy "transparently".

--
Henrik Nordstrom
Squid hacker
Mehmet Nuri ELMA wrote:
> 
> Hi gurus,
> 
> 
> I use squid 2.3 Stable 4. I have problem about refreshing site that is
> updating every day, like newspapers.
> I use Internet Explorer and I get always get old web pages. I refresh
> using CTRL+refresh or shift+refresh, but it doesn't work.
> When I use Netscape, I refresh the web pages using shift+reload, new
> pages come,
> 
> What is the problem, can you help me?
> 
> thank you for your considerations,
> 
> 
> Mehmet Nuri ELMA
>

--- squid-2.2.STABLE5.orig/src/client_side.c Wed Sep 22 19:06:53 1999
+++ squid-2.2.STABLE5/src/client_side.c Mon Aug 14 21:20:58 2000
@@ -58,7 +58,7 @@
 #endif
 #endif
 
-
+static const char* str;
 
 #if LINGERING_CLOSE
 #define comm_close comm_lingering_close
@@ -770,6 +770,14 @@
     if (request->cache_control)
         if (EBIT_TEST(request->cache_control->mask, CC_NO_CACHE))
             no_cache++;
+ /* Work around for supporting the Reload button in IE browsers
+ * when Squid is used as an accelerator or transparent proxy,
+ * by turning accelerated IMS request to no-cache requests.
+ */
+ if (http->flags.accel && request->flags.ims)
+ if (str = httpHeaderGetStr(req_hdr, HDR_USER_AGENT))
+ if (strstr(str, "MSIE") != NULL)
+ no_cache++;
     if (no_cache) {
 #if HTTP_VIOLATIONS
         if (Config.onoff.reload_into_ims)

--
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