Step1 : Check Squid is running or not #ps –ef | grep squid This command should give you Five internal dns server running process Two squid demon(squid –D) One unlinked process.  If all the mentions process are running fine means, it indicates that your Squid server is running fine. ps -ef | grep squid root     31617     1  0 15:06 ?        00:00:00 /opt/squid/sbin/squid -D squid    31619 31617  0 15:06 ?        00:00:00 (squid) -D squid    31623 31619  0 15:06 ?        00:00:00 (dnsserver) squid    31624 31619  0 15:06 ?        00:00:00 (dnsserver) squid    31625 31619  0 15:06 ?        00:00:00 (dnsserver) squid    31626 31619  0 15:06 ?        00:00:00 (dnsserver) squid    31627 31619  0 15:06 ?        00:00:00 (dnsserver) squid    31628 31619  0 15:06 ?        00:00:00 (unlinkd)   Step2 : Check back end server is able to access from your reverse proxy or not? #links web425.example.co.in Step3 : Check system default logs for any suspected activity. #tail –f /var/log/messages Step4 : Check squid access logs, cache logs, store logs if you can able to find any issues #tail –f /opt/squid/var/logs/access.log #tail –f /opt/squid/var/logs/cache.log  #tail –f /opt/squid/var/logs/store.log   Step5 : Check whether your syntx in squid is fine or not with the following commands /opt/squid/sbin/squid -k check Please comment your thoughts regarding this post:-)  
/opt/squid/sbin/squid -k parse
Troubleshooting Squid Reverse Proxy Server
1/07/2010 08:15:00 AM Posted by Meghana M BhombhoreLabels: Proxy Servers, Server Troubleshooting
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