2023-08-30 21:13:08 +08:00
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# Inspiration: https://github.com/Tecnativa/docker-socket-proxy/blob/master/haproxy.cfg
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2023-08-24 20:09:21 +08:00
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defaults
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timeout connect 10s
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2023-08-30 20:59:08 +08:00
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timeout client 10s
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timeout server 10s
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2023-08-24 20:09:21 +08:00
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2023-08-30 20:59:08 +08:00
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frontend http
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mode http
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2023-08-24 20:09:21 +08:00
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bind :2375
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2023-08-30 21:23:40 +08:00
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http-request deny unless { src 127.0.0.1 } || { src ::1 } || { src NC_IPV4_PLACEHOLDER } || { src NC_IPV6_PLACEHOLDER }
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2023-08-30 21:16:35 +08:00
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/((json)|(start)|(stop)) } METH_GET
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+ } METH_DELETE
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# ACL to restrict container name to nc_app_[a-zA-Z0-9_.-]+
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acl nc_app_container_name url_param(name) -m reg -i "^nc_app_[a-zA-Z0-9_.-]+"
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# ACL to restrict the number of Mounts to 1
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acl one_mount_volume req.body -m reg -i "\"Mounts\"\s*:\s*\[\s*(?:(?!\"Mounts\"\s*:\s*\[)[^}]*)}[^}]*\]"
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# ACL to deny if there are any binds
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acl binds_present req.body -m reg -i "\"HostConfig\"\s*:.*\"Binds\"\s*:"
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# ACL to restrict the type of Mounts to volume
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acl type_not_volume req.body -m reg -i "\"Mounts\":\s*\[[^\]]*(\"Type\":\s*\"(?!volume\b)\w+\"[^\]]*)+\]"
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http-request deny if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/create } nc_app_container_name !one_mount_volume binds_present type_not_volume METH_POST
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# ACL to restrict container creation, that it has HostConfig.Privileged only set to false
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acl no_privileged_flag req.body -m reg -i "\"HostConfig\":\s?{[^}]*\"Privileged\":\s?false"
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# ACL to allow mount volume with strict pattern for name: nc_app_[a-zA-Z0-9_.-]+_data
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acl nc_app_volume_data_only req.body -m reg -i "\"Mounts\":\s?\[\s?{[^}]*\"Source\":\s?\"nc_app_[a-zA-Z0-9_.-]+_data\""
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/create } nc_app_container_name no_privileged_flag nc_app_volume_data_only METH_POST
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acl nc_app_volume_data req.body -m reg -i "\"Name\":\s?\"nc_app_[a-zA-Z0-9_.-]+_data\""
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/volumes/create } nc_app_volume_data METH_POST
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/volumes/nc_app_[a-zA-Z0-9_.-]+_data } METH_DELETE
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/images/create } METH_POST
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2023-08-24 20:09:21 +08:00
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http-request deny
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default_backend dockerbackend
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2023-08-30 20:59:08 +08:00
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backend dockerbackend
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mode http
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server dockersocket /var/run/docker.sock
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