# yum search --showduplicates squid
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: ftp.iij.ad.jp
* extras: ftp.iij.ad.jp
* updates: ftp.iij.ad.jp
================================================================= N/S matched: squid ==================================================================
7:squid-3.4.6-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.4.11-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.4.14-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.2-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.3-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.4-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.5-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.6-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.7-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.7-2.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.7-3.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.8-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.8-2.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.8-3.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.8-4.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.9-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.11-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.12-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.12-2.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.13-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.13-2.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.13-3.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.14-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.14-2.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.15-2.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.16-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.17-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.19-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.20-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.20-12.el7.x86_64 : The Squid proxy caching server
7:squid-3.5.20-12.el7_6.1.x86_64 : The Squid proxy caching server
7:squid-3.5.22-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.23-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.24-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.24-5.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.24-6.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.25-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.26-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.27-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.27-2.el7.x86_64 : The Squid proxy caching server
7:squid-3.5.27-3.el7.centos.x86_64 : The Squid proxy caching server
7:squid-3.5.28-1.el7.centos.x86_64 : The Squid proxy caching server
7:squid-4.2-1.el7.x86_64 : The Squid proxy caching server
7:squid-4.3-1.el7.x86_64 : The Squid proxy caching server
7:squid-4.4-1.el7.x86_64 : The Squid proxy caching server
7:squid-4.5-1.el7.x86_64 : The Squid proxy caching server
# yum install squid-3.5.28-1.el7.centos.x86_64