Hi Team, When the number of users exceeds, squid is not responding. The users getting "System returned: (110) connecion timed out " message. The following thing are done for troubleshooting. But getting the same result. 1) I have upgraded the squid version to 3.5.20. 2) Removed trendmicro antivirus, squidguard, squid_ldap_auth, cache disabled Server spec: Red Hat Enterprise Linux Server release 6.7 (Santiago) 2 GB RAM Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol05 7.8G 5.5G 2.0G 74% / tmpfs 935M 12K 935M 1% /dev/shm /dev/sda1 190M 103M 78M 57% /boot /dev/mapper/VolGroup00-LogVol01 976M 1.7M 924M 1% /home /dev/mapper/VolGroup00-LogVol02 3.9G 22M 3.6G 1% /opt /dev/mapper/VolGroup00-LogVol03 976M 332M 594M 36% /tmp /dev/mapper/VolGroup00-LogVol04 3.9G 1.5G 2.2G 41% /var The issue will not resolve even i restart the squid server. Once reboot the server i can access the internet. Whe the number of connection exceeds, the issue will start again -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Squid-is-not-responding-when-the-number-of-connection-exceeds-tp4680091.html Sent from the Squid - Users mailing list archive at Nabble.com. _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users