Hi! I have some problem with squidclient. Please you look information below. # uname -a Linux ui-proxy 2.6.32-358.2.1.el6.x86_64 #1 SMP Wed Feb 20 12:17:37 EST 2013 x86_64 x86_64 x86_64 GNU/Linux # more /etc/redhat-release Red Hat Enterprise Linux Server release 6.4 (Santiago) # more /etc/hosts 192.168.177.134 ui-proxy.office.corp ui-proxy 127.0.0.1 localhost.localdomain localhost ui-proxy ::1 localhost.localdomain localhost ui-proxy # squid -v Squid Cache: Version 3.2.9 configure options: '--prefix=/usr' '--includedir=/usr/include' '--datadir=/usr/share' '--bindir=/usr/sbin' '--libexecdir=/usr/lib/squid' '--localstatedir=/var' '--sysconfdir=/etc/squid' '--with-default-user=root' '--disable-ipv6' --enable-ltdl-convenience # grep localhost squid.conf http_access allow localhost manager # grep webserver squid.conf acl webserver src 192.168.177.134/32 http_access allow webserver manager # squidclient -h 192.168.177.134 mgr:storedir HTTP/1.1 200 OK Server: squid Mime-Version: 1.0 Date: Wed, 17 Apr 2013 06:00:07 GMT Content-Type: text/plain Expires: Wed, 17 Apr 2013 06:00:07 GMT Last-Modified: Wed, 17 Apr 2013 06:00:07 GMT X-Cache: MISS from ui-proxy.office.corp Via: 1.1 ui-proxy.office.corp (squid) Connection: close Store Directory Statistics: Store Entries : 197801 Maximum Swap Size : 8192000 KB Current Store Swap Size: 5338420.00 KB Current Capacity : 65.17% used, 34.83% free Store Directory #0 (ufs): /var/spool/squid FS Block Size 4096 Bytes First level subdirectories: 32 Second level subdirectories: 64 Maximum Size: 8192000 KB Current Size: 5338420.00 KB Percent Used: 65.17% Filemap bits in use: 197735 of 262144 (75%) Filesystem Space in use: 24778608/73440504 KB (34%) Filesystem Inodes in use: 460976/4669440 (10%) Flags: SELECTED Removal policy: lru LRU reference age: 1.81 days # squidclient -h 127.0.0.1 mgr:storedir client: ERROR: Cannot connect to 127.0.0.1:3128: Connection refused # squidclient -h localhost mgr:storedir assert "false" at line 689 Ip::Address invalid? with IsIPv4()=F, IsIPv6()=T ADDRESS: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 squidclient: Address.cc:689: void Ip::Address::GetAddrInfo(addrinfo*&, int) const: Assertion `false' failed. Aborted Can you help me?