{"type":"doc","content":[{"type":"orderedList","attrs":{"order":1},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Set ","type":"text"},{"text":"SELinux","type":"text","marks":[{"type":"strong"}]},{"text":" to ","type":"text"},{"text":"permissive","type":"text","marks":[{"type":"code"}]},{"text":" mode in the ","type":"text"},{"text":"/etc/selinux/config","type":"text","marks":[{"type":"code"}]},{"text":" file.","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"# This file controls the state of SELinux on the system.\n# SELINUX= can take one of these three values:\n# enforcing - SELinux security policy is enforced.\n# permissive - SELinux prints warnings instead of enforcing.\n# disabled - No SELinux policy is loaded.\nSELINUX=permissive\n# SELINUXTYPE= can take one of three values:\n# targeted - Targeted processes are protected,\n# minimum - Modification of targeted policy. Only selected processes are protected.\n# mls - Multi Level Security protection.\nSELINUXTYPE=targeted","type":"text"}]},{"type":"orderedList","attrs":{"order":2},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Change SELinux to permissive mode from the command line:","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"setenforce 0","type":"text"}]},{"type":"orderedList","attrs":{"order":3},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Create a log directory for Squid:","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"mkdir /var/log/squid\nchmod 777 /var/log/squid","type":"text"}]},{"type":"orderedList","attrs":{"order":4},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Create the ","type":"text"},{"text":"/etc/squid","type":"text","marks":[{"type":"code"}]},{"text":" and ","type":"text"},{"text":"/var/spool/squid","type":"text","marks":[{"type":"code"}]},{"text":" directories:","type":"text"}]}]}]},{"type":"codeBlock","content":[{"text":"mkdir /etc/squid\nmkdir /var/spool/squid/cache -p","type":"text"}]},{"type":"orderedList","attrs":{"order":5},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Create the ","type":"text"},{"text":"/etc/squid/squid.conf","type":"text","marks":[{"type":"code"}]},{"text":" file and configure it as needed.","type":"text"}]}]}]},{"type":"bulletList","content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"cache_peer connect to parent proxy server","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Update local storage network subnet","type":"text"}]}]}]},{"type":"paragraph","marks":[{"type":"indentation","attrs":{"level":1}}],"content":[{"text":"Note:","type":"text","marks":[{"type":"strong"}]},{"text":" If the password contains characters have special meanings in URLs (like ‘","type":"text"},{"text":"#","type":"text","marks":[{"type":"code"}]},{"text":"', '","type":"text"},{"text":"&","type":"text","marks":[{"type":"code"}]},{"text":"', '","type":"text"},{"text":"?","type":"text","marks":[{"type":"code"}]},{"text":"', etc.), ensure the special characters are URL-encoded and must be encoded to be represented correctly.","type":"text"}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"#\n# Recommended minimum configuration:\n#\n\n# Define your parent Squid proxy\n# cache_peer 172.16.33.250 parent 3128 7 no-query login=csadmin:caringo no-digest no-netdb-exchange prefer_direct off never_direct allow all # tls sslcert=/etc/squid/ssl/parent_rootCA1.pem\n# cache_peer 172.16.33.250 parent 3128 0 no-query login=admin:datacore no-digest no-netdb-exchange prefer_direct off never_direct allow all\ncache_peer 172.16.33.250 parent 3128 7 no-query login=admin:datacore prefer_direct off ssl sslflags=DONT_VERIFY_PEER # ssl sslcert=/etc/squid/root-CA.pem\nnever_direct allow all\n\n# Example rule allowing access from your local networks.\n# Adapt to list your (internal) IP networks from where browsing\n# should be allowed\nacl localnet src 10.0.0.0/8\t\t # RFC 1918 local private network (LAN)\nacl localnet src 172.16.0.0/16\t\t# RFC 1918 local storage network (LAN)\n\nacl SSL_ports port 443\nacl Safe_ports port 80\t\t# http\nacl Safe_ports port 21\t\t# ftp\nacl Safe_ports port 443\t\t# https\nacl Safe_ports port 70\t\t# gopher\nacl Safe_ports port 210\t\t# wais\nacl Safe_ports port 1025-65535\t# unregistered ports\nacl Safe_ports port 280\t\t# http-mgmt\nacl Safe_ports port 488\t\t# gss-http\nacl Safe_ports port 591\t\t# filemaker\nacl Safe_ports port 777\t\t# multiling http\n\n#\n# Recommended minimum Access Permission configuration:\n#\n# Deny requests to certain unsafe ports\n# http_access deny !Safe_ports\n\n# Deny CONNECT to other than secure SSL ports\n# http_access deny CONNECT !SSL_ports\n\n# Only allow cachemgr access from localhost\nhttp_access allow localhost manager\nhttp_access deny manager\n\n# This default configuration only allows localhost requests because a more\n# permissive Squid installation could introduce new attack vectors into the\n# network by proxying external TCP connections to unprotected services.\nhttp_access allow localhost\n\n# The two deny rules below are unnecessary in this default configuration\n# because they are followed by a \"deny all\" rule. However, they may become\n# critically important when you start allowing external requests below them.\n\n# Protect web applications running on the same server as Squid. They often\n# assume that only local users can access them at \"localhost\" ports.\n# http_access deny to_localhost\n\n# Protect cloud servers that provide local users with sensitive info about\n# their server via certain well-known link-local (a.k.a. APIPA) addresses.\n# http_access deny to_linklocal\n\n#\n# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS\n#\n\n# For example, to allow access from your local networks, you may uncomment the\n# following rule (and/or add rules that match your definition of \"local\"):\n# http_access allow localnet\n\n# And finally deny all other access to this proxy\n# http_access deny all\n# http_access allow all\nhttp_access allow localnet\nhttp_access allow localhost\nhttp_access deny all\n\n# Squid normally listens to port 3128\nhttp_port 3128\n\n# Uncomment and adjust the following to add a disk cache directory.\n#cache_dir ufs /var/cache/squid 100 16 256\n\n# Leave coredumps in the first cache dir\ncoredump_dir /var/cache/squid\n\n#\n# Add any of your own refresh_pattern entries above these.\n#\nrefresh_pattern ^ftp:\t\t1440\t20%\t10080\nrefresh_pattern -i (/cgi-bin/|\\?) 0\t0%\t0\nrefresh_pattern .\t\t0\t20%\t4320","type":"text"}]},{"type":"orderedList","attrs":{"order":6},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Run the following command to download the Squid container and run it using Podman:","type":"text"}]}]}]},{"type":"codeBlock","content":[{"text":"podman run -d --name squid-container --restart on-failure --rm --security-opt seccomp=unconfined -e TZ=UTC -p 3128:3128 -v /etc/squid/squid.conf:/etc/squid/squid.conf -v /var/spool/squid/cache:/var/spool/squid -v /var/log/squid:/var/log/squid/ -v /etc/squid/root-CA.pem:/etc/squid/root-CA.pem ubuntu/squid:4.10-20.04_beta","type":"text"}]},{"type":"orderedList","attrs":{"order":7},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Update ","type":"text"},{"text":"/etc/firewalld/zones/swarm_site.xml","type":"text","marks":[{"type":"code"}]},{"text":" to allow access Squid on SCS Storage network on port ","type":"text"},{"text":"3128","type":"text","marks":[{"type":"code"}]}]}]}]},{"type":"codeBlock","attrs":{"language":"xml"},"content":[{"text":"\n\n \n \n \n \n \n \n \n \n \n \n \n","type":"text"}]},{"type":"orderedList","attrs":{"order":8},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Reload Firewall rules","type":"text"}]}]}]},{"type":"codeBlock","content":[{"text":"firewall-cmd --reload","type":"text"}]},{"type":"orderedList","attrs":{"order":9},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Test Squid’s internet access by running a curl command:","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"curl -iLv -x \"http://:3128\" https://swarm.phonehome.datacore.com:443/castor/report","type":"text"}]},{"type":"paragraph"},{"type":"heading","attrs":{"level":2},"content":[{"text":"Offline Installation of Ubuntu/Squid","type":"text"}]},{"type":"orderedList","attrs":{"order":1},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Export the ","type":"text"},{"text":"ubuntu.squid.4.10.tar","type":"text","marks":[{"type":"code"}]},{"text":" container tarball:","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"podman save -o ubuntu.squid.4.10.tar docker.io/ubuntu/squid:4.10-20.04_beta","type":"text"}]},{"type":"orderedList","attrs":{"order":2},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Copy the tarball to SCS (e.g. ","type":"text"},{"text":"/root/dist/ubuntu.squid.4.10.tar","type":"text","marks":[{"type":"code"}]},{"text":")","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Set SELinux to permissive mode in ","type":"text"},{"text":"/etc/selinux/config","type":"text","marks":[{"type":"code"}]},{"text":" file (it not already done).","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"# This file controls the state of SELinux on the system.\n# SELINUX= can take one of these three values:\n# enforcing - SELinux security policy is enforced.\n# permissive - SELinux prints warnings instead of enforcing.\n# disabled - No SELinux policy is loaded.\nSELINUX=permissive\n# SELINUXTYPE= can take one of three values:\n# targeted - Targeted processes are protected,\n# minimum - Modification of targeted policy. Only selected processes are protected.\n# mls - Multi Level Security protection.\nSELINUXTYPE=targeted","type":"text"}]},{"type":"orderedList","attrs":{"order":4},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Change SELinux to permissive mode from the command line (if not already done):","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"setenforce 0","type":"text"}]},{"type":"orderedList","attrs":{"order":5},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Load the ubuntu/squid container image to Podman:","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"podman image load -i /root/datacore/ubuntu.squid.4.10.tar","type":"text"}]},{"type":"orderedList","attrs":{"order":6},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Create the necessary directories on SCS:","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"mkdir /etc/squid\nmkdir /var/log/squid\nmkdir /var/spool/squid/cache -p","type":"text"}]},{"type":"orderedList","attrs":{"order":7},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Grant permissions for Squid to output logs to ","type":"text"},{"text":"/var/log/squid/access.log","type":"text","marks":[{"type":"code"}]},{"text":":","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"chmod -R 777 /var/log/squid","type":"text"}]},{"type":"orderedList","attrs":{"order":8},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Create or update the ","type":"text"},{"text":"/etc/squid/squid.conf","type":"text","marks":[{"type":"code"}]},{"text":" file as needed.","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Update /etc/squid/squid.conf with Parent Proxy IP, Port and correct storage subnet.","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Update ","type":"text"},{"text":"/etc/firewalld/zones/swarm_site.xml","type":"text","marks":[{"type":"code"}]},{"text":" to allow access Squid on SCS Storage network on port ","type":"text"},{"text":"3128","type":"text","marks":[{"type":"code"}]}]}]}]},{"type":"codeBlock","attrs":{"language":"xml"},"content":[{"text":"\n\n \n \n \n \n \n \n \n \n \n \n \n","type":"text"}]},{"type":"orderedList","attrs":{"order":8},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Reload Firewall rules","type":"text"}]}]}]},{"type":"codeBlock","content":[{"text":"firewall-cmd --reload","type":"text"}]},{"type":"orderedList","attrs":{"order":11},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Run the following command to start the Squid container:","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"podman run -d --name squid-container --restart on-failure --rm --security-opt seccomp=unconfined -e TZ=UTC -p 3128:3128 -v /etc/squid/squid.conf:/etc/squid/squid.conf -v /var/spool/squid/cache:/var/spool/squid -v /var/log/squid:/var/log/squid/ ubuntu/squid:4.10-20.04_beta","type":"text"}]},{"type":"paragraph"},{"type":"heading","attrs":{"level":3},"content":[{"text":"Adding Squid Container to systemd to ensure start on system boot","type":"text"}]},{"type":"orderedList","attrs":{"order":1},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"To create a ","type":"text"},{"text":"systemd","type":"text","marks":[{"type":"code"}]},{"text":" service for Squid container (","type":"text"},{"text":"/etc/systemd/system/squid-container.service","type":"text","marks":[{"type":"code"}]},{"text":"), use the ","type":"text"},{"text":"podman generate systemd","type":"text","marks":[{"type":"code"}]},{"text":" command:","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"podman generate systemd --new --name squid-container > /etc/systemd/system/squid-container.service","type":"text"}]},{"type":"orderedList","attrs":{"order":2},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Stop Squid container from Podman","type":"text"}]}]}]},{"type":"codeBlock","attrs":{"language":"shell"},"content":[{"text":"podman stop squid-container","type":"text"}]},{"type":"orderedList","attrs":{"order":3},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Enable and start the service:","type":"text"}]}]}]},{"type":"codeBlock","content":[{"text":"systemctl enable --now squid-container","type":"text"}]},{"type":"orderedList","attrs":{"order":4},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Verify the status of the Squid container service:","type":"text"}]}]}]},{"type":"codeBlock","content":[{"text":"systemctl status squid-container","type":"text"}]}],"version":1}

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