我认为这似乎与Varnish有关。
我退出后，用户状态应该更改。但事实并非如此。我使用“CTRL + F5”来强制缓存刷新。
所以我有点困惑。我强制刷新浏览器缓存或Varnish缓存。
如果Varnish正在缓存正确的页面（用户未登录），为什么浏览器不会显示它，而是在用户仍然登录时它仍然保留旧页面。
有任何线索吗？
VCL
backend testserver {
.host = "127.0.0.1";
.port = "8080";
}
acl purge {
"localhost";
"127.0.0.1";
"192.168.3.0"/24;
}
sub vcl_recv {
if (req.request == "PURGE") {
if (!client.ip ~ purge) {
error 405 "Not allowed.";
}
return(lookup);
}
remove req.http.X-Forwarded-For;
set req.http.X-Forwarded-For = client.ip;
// Remove has_js and Google Analytics cookies
set req.http.Cookie = regsuball(req.http.Cookie, "(^|;\s*)(_[_a-z]+|has_js)=[^;]*","");
// remove a ";" prefix, if present
set req.http.Cookie = regsub(req.http.Cookie, "^;\s*", "");
// remove empty cookies.
if (req.http.Cookie ~ "^\s*$") {
unset req.http.Cookie;
}
// Skip the Vanish cache for install, update, and cron
if (req.url ~ "install\.php|update\.php|cron\.php") {
return (pass);
}
# Normalize Accept-Encoding to get better cache coherency
if (req.http.Accept-Encoding) {
# No point in compressing media that is already compressed
if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") {
remove req.http.Accept-Encoding;
# MSIE 6 JS bug workaround
} elsif(req.http.User-Agent ~ "MSIE 6") {
unset req.http.Accept-Encoding;
} elsif (req.http.Accept-Encoding ~ "gzip") {
set req.http.Accept-Encoding = "gzip";
} elsif (req.http.Accept-Encoding ~ "deflate") {
set req.http.Accept-Encoding = "deflate";
} else {
# unkown algorithm
remove req.http.Accept-Encoding;
}
}
# ... other vcl_recv rules here ...
# Don't serve cached content to logged-in users
# Don't cache Drupal logged-in user sessions
# LOGGED_IN is the cookie that earlier version of Pressflow sets
# VARNISH is the cookie which the varnish.module sets
if (req.http.Cookie ~ "(VARNISH|DRUPAL_UID|LOGGED_IN)") {
return (pass);
}
// Let's have a little grace
// When backend cannot generate refreshed content
// this time will allow expired content to stay longer in grace
set req.grace = 0s;
if (req.http.host ~ "^www.test.com") {
set req.backend = testserver;
if (req.request != "GET" && req.request != "HEAD") {
return(pipe);
}
else {
return(lookup);
}
}elsif (req.http.host ~ "^www.test2.com") {
set req.backend = testserver;
if (req.request != "GET" && req.request != "HEAD") {
return(pipe);
}
else {
return(lookup);
}
}
else {
error 404 "test Cache Server IS Out of Order";
return(lookup);
}
# Drupal js/css doesn't need cookies, cache them
if (req.url ~ "^/modules/.*\.(js|css)\?") {
unset req.http.Cookie;
}
## Pass cron jobs and server-status
if (req.url ~ "cron.php") {
return (pass);
}
if (req.url ~ ".*/server-status$") {
return (pass);
}
}
sub vcl_hit {
if (req.request == "PURGE") {
set obj.ttl = 0s;
error 200 "Purged.";
}
}
sub vcl_miss {
if (req.request == "PURGE") {
error 404 "Not in cache.";
}
}
sub vcl_fetch {
if (req.url ~ "\.(png|gif|jpg|swf|css|js)$") {
unset beresp.http.set-cookie;
}
#if (beresp.http.Pragma ~ "nocache") {
# return(pass);
#}
if (req.request == "GET" && req.url ~ "\.(txt|js)$") {
set beresp.ttl = 3600s;
}
else {
set beresp.ttl = 30d;
}
}
sub vcl_error {
set obj.http.Content-Type = "text/html; charset=utf-8";
set obj.http.Retry-After = "5";
synthetic {"<?xml version="1.0" encoding="utf-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html><head><title>"} obj.status " " obj.response {"</title></head><body><h1>Error "} obj.status " " obj.response {"</h1><p>"} obj.response {"</p><h3>Guru Meditation:</h3><p>XID: "} req.xid {"</p><hr><p>Varnish cache server</p></body></html>"};
return (deliver);
}
sub vcl_pipe {
# http://www.varnish-cache.org/ticket/451
# This forces every pipe request to be the first one.
set bereq.http.connection = "close";
}
接头
登录后
Response Headers view source
Cache-Control store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection close
Content-Type text/html; charset=utf-8
Date Tue, 21 Feb 2012 04:09:09 GMT
Expires Sun, 11 Mar 1984 12:00:00 GMT
Last-Modified Tue, 21 Feb 2012 04:09:07 GMT
Location http://www.test.com/frontpage_empty
Server nginx/1.0.0
Set-Cookie SESSe3202baa92dbab78a8d1785ee17b05a0=deleted; expires=Mon, 21-Feb-2011 04:09:08 GMT; path=/ SESSe3202baa92dbab78a8d1785ee17b05a0=67d001b0720c9f5a74e5b671fae74d76; expires=Fri, 09-Mar-2012 12:49:09 GMT; path=/; domain=.test.com LOGGED_IN=Y; expires=Fri, 09-Mar-2012 12:49:07 GMT; path=/
Transfer-Encoding chunked
X-Powered-By PHP/5.2.17
Request Headers view source
Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding gzip, deflate
Accept-Language en-us,en;q=0.5
Authorization Basic amFtZXM6MTIzMTIz
Connection keep-alive
Cookie OAID=e171ed7b31967c95a09c70646433d7b1; has_js=1; SESSe3202baa92dbab78a8d1785ee17b05a0=054b6fa52ce9009198a2160800d04456; __utma=256091342.2121990614.1327109315.1329792135.1329797585.41; __utmz=256091342.1327109315.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); OAID=e171ed7b31967c95a09c70646433d7b1; SESSa395c7767e83fe1b8cd4bf8229e072c3=2bfb1adba208cf29bf17921ce9946bd5; has_js=1; __utmc=256091342; __utmb=256091342.1.10.1329797585
Host www.test.com
Referer http://www.test.com/user/login?destination=frontpage_empty
User-Agent Mozilla/5.0 (Windows NT 5.1; rv:10.0.2) Gecko/20100101 Firefox/10.0.2
Response Headers From Cache
Cache-Control store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection close
Content-Type text/html; charset=utf-8
Date Tue, 21 Feb 2012 04:09:09 GMT
Expires Sun, 11 Mar 1984 12:00:00 GMT
Last-Modified Tue, 21 Feb 2012 04:09:07 GMT
Location http://www.test.com/frontpage_empty
Server nginx/1.0.0
Set-Cookie SESSe3202baa92dbab78a8d1785ee17b05a0=deleted; expires=Mon, 21-Feb-2011 04:09:08 GMT; path=/ SESSe3202baa92dbab78a8d1785ee17b05a0=67d001b0720c9f5a74e5b671fae74d76; expires=Fri, 09-Mar-2012 12:49:09 GMT; path=/; domain=.test.com LOGGED_IN=Y; expires=Fri, 09-Mar-2012 12:49:07 GMT; path=/
Transfer-Encoding chunked
X-Powered-By PHP/5.2.17
Request Headers From Upload Stream
Content-Length 61
Content-Type application/x-www-form-urlencoded
退出后
Response Headers view source
Cache-Control store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection close
Content-Type text/html; charset=utf-8
Date Tue, 21 Feb 2012 09:10:29 GMT
Expires Sun, 11 Mar 1984 12:00:00 GMT
Last-Modified Tue, 21 Feb 2012 09:10:27 GMT
Location http://www.test.com/
Server nginx/1.0.0
Set-Cookie LOGGED_IN=deleted; expires=Mon, 21-Feb-2011 09:10:28 GMT; path=/
Transfer-Encoding chunked
X-Powered-By PHP/5.2.17
Request Headers view source
Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding gzip, deflate
Accept-Language en-us,en;q=0.5
Authorization Basic amFtZXM6MTIzMTIz
Connection keep-alive
Cookie SESSe3202baa92dbab78a8d1785ee17b05a0=67d001b0720c9f5a74e5b671fae74d76; __utma=256091342.2121990614.1327109315.1329792135.1329797585.41; __utmz=256091342.1327109315.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); OAID=e171ed7b31967c95a09c70646433d7b1; SESSa395c7767e83fe1b8cd4bf8229e072c3=2bfb1adba208cf29bf17921ce9946bd5; has_js=1; __utmc=256091342; LOGGED_IN=Y
Host www.test.com
If-Modified-Since Tue, 21 Feb 2012 03:32:36 GMT
Referer http://www.test.com/
User-Agent Mozilla/5.0 (Windows NT 5.1; rv:10.0.2) Gecko/20100101 Firefox/10.0.2
答案 0 :(得分：0)
您的VCL目前正在做的是从请求标头中删除Cookie并缓存所有请求。这会导致您描述的确切行为。