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I have set up a squid proxy on EC2, and I'm trying to use it from behind a corporate firewall. After configuring firefox to use my proxy, I tried to surf to yahoo.com. The browser seems to hang as if handling an extremely long running request. Checking the squid logs I see:
1431354246.891 11645 xxx.0.xx.xxx TCP_MISS/200 7150 CONNECT www.yahoo.com:443 username HIER_DIRECT/xx.xxx.XX.xx-
So far, I don't have a good explanation of most of these entries , but from http://wiki.squid-cache.org/SquidFaq/SquidLogs#access.log , I've found that:
MISS = The response object delivered was the network response object.
What does this mean? Is anything I can do to connect to the outside internet?
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TCP_MISS. Indicates that the requested object was not in the cache and that the proxy retrieved the object from the origin server or from a parent proxy and sent it to the client. TCP_REFRESH_HIT. Indicates that the object was in the cache but was stale.
TCP_NC_MISS - The request was made for an object that can't be cached. TCP_REFRESH_MISS - Appliance had the object in cache, but a check with the OCS (GET with the If-modified-since) indicated that the object was stale. Object was downloaded from the OCS and the new object was placed in cache.
Squid supports caching of many different kinds of Web objects, including those accessed through HTTP and FTP. Caching frequently requested Web pages, media files and other content accelerates response time and reduces bandwidth congestion.
Screen squid is web-based interface for viewing reports based on Squid proxy server log files. It can be accessed from web-browser through more than 20 reports.
This has been asked a long time ago, but maybe someone can still use this...
This means you connected to squid and the request was made to yahoo using the TCP protocol that HTTP uses. Furthermore, the MISS means it's a cache miss, squid doesn't have this page stored.
The reason for the hanging might be caused by the response being caught somewhere along the line (corporate firewall, maybe? local firewall?) or even misconfiguration of the proxy.
For more, perhaps you should search on https://serverfault.com, for example this is a good starting point, then you can narrow down the problem: https://serverfault.com/questions/514716/whats-the-minimum-required-squid-config-to-make-a-public-proxy-server
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