Azure对端口范围的策略支持
问题-所以我想阻止人们创建NSG,这些NSG会打开一些端口的Internet访问(223389等)。我可以创建一个策略来阻止特定端口,例如Azure对端口范围的策略支持,azure,azure-policy,Azure,Azure Policy,问题-所以我想阻止人们创建NSG,这些NSG会打开一些端口的Internet访问(223389等)。我可以创建一个策略来阻止特定端口,例如 { "allOf": [{ "field": "Microsoft.Network/networkSecurityGroups/securityRules/access", "equals": "Allow" }, { "field": "Microsoft.Network/networkSec
{
"allOf": [{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/access",
"equals": "Allow"
},
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/direction",
"equals": "Inbound"
},
{
"anyOf": [{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange",
"equals": "22"
},
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange",
"equals": "3389"
}
]
}
]
如果在安全规则中使用了特定端口,这将阻止NSG的创建。但是,如果有人创建允许端口范围(如3300-3400)的NSG规则,则可以绕过该规则
想知道政策是如何处理端口范围的,在这种情况下最好的方法是什么
我尝试了destinationPortRanges[*]数组,但它不起作用
{
"not": {
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]",
"Equals": "22"
}
}
当destinationPortRanges指定为“20-25”时,该规则仍然允许创建NSG。查看内置策略“”。 还有 老实说,读起来很痛苦,但它似乎完全涵盖了你需要的东西
{
"anyOf": [
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange",
"equals": "*"
},
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange",
"equals": "3389"
},
{
"value": "[if(and(not(empty(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange'))), contains(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange'),'-')), and(lessOrEquals(int(first(split(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange'), '-'))),3389),greaterOrEquals(int(last(split(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange'), '-'))),3389)), 'false')]",
"equals": "true"
},
{
"count": {
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]",
"where": {
"value": "[if(and(not(empty(first(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]')))), contains(first(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]')),'-')), and(lessOrEquals(int(first(split(first(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]')), '-'))),3389),greaterOrEquals(int(last(split(first(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]')), '-'))),3389)) , 'false')]",
"equals": "true"
}
},
"greater": 0
},
{
"not": {
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]",
"notEquals": "*"
}
},
{
"not": {
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]",
"notEquals": "3389"
}
}
]
},