我的实例的VPC已启用DNS主机名,但该实例没有公共DNS主机名。我需要在IPv6-only环境中测试主机名解析,但实例似乎没有分配公共DNS主机名。 我用ipv6-only创建了一个EC2实例。它被分配了一个ipv6地址,但没有主机名。当我执行DNS-reverse查找时,查找失败。 私有DNS主机名有什么用?是否可以从其他实例或机器访问/ping...
the EC2 instance IDis included in the hostname of the instance. The resource-based name exists for the life of the EC2 instance. When you use RBN as the Private DNS hostname for an IPv6-only instance, it returns the IPv6 Global Unicast...
Private IP DNS name (IPv4 only)(私有 IP DNS 名称(仅 IPv4)):将始终解析为实例的私有 IPv4 地址的 IP 名称。 Private resource DNS name(私有资源 DNS 名称):解析为为此实例选择的 DNS 记录的资源名称。 Answer private resource DNS name(回答私有资源 DNS 名称):资源名称解析为 IPv4(A)、IPv6(AAAA)或...
[IPv6 only] Specifies an egress-only internet gateway for your VPC. An egress-only internet gateway is used to enable outbound communication over IPv6 from instances in your VPC to the internet, and prevents hosts outside of your VPC from initiating an IPv6 connection with your instance...
Also set private_dns_name_options_on_launch. For IPv6-only subnets, this is automatically enabled, however for dual-stack the default is not, which means they will get an IPv4 internal DNS name but not IPv6. Note this only applies to internal DNS names. ...
Application Load Balancer launches IPv6 only support for internet clients –Application Load Balancer now allows customers to provision load balancers without IPv4s for clients that can connect using just IPv6s. To connect, clients can resolve AAAA...
Peer.ipv4('10.0.0.0/16'); peer = ec2.Peer.anyIpv4(); peer = ec2.Peer.ipv6('::0/0'); peer = ec2.Peer.anyIpv6(); peer = ec2.Peer.prefixList('pl-12345'); appFleet.connections.allowTo(peer, ec2.Port.tcp(443), 'Allow outbound HTTPS');...
+ instance_type = "t3.medium"+ipv6_address_count = (known after apply)+ipv6_addresses = (known after apply) + key_name = (known after apply)+outpost_arn = (known after apply) + password_data = (known after apply)+placement_group = (known after apply) ...
EBS backed instaces only No charge for stopped instances EBS volume remain attached(chargeable) Data in RAM is list instance is migrated to different host Private IPv4 adresses and ipv6 addresses retained ; public ipv4 released Elastic ip retained ...
Security groups only contain allow rules Security groups rules can reference by IP or by security group Security Groups Deeper Dive Security groups are acting as a "firewall" on EC2 instances They regulate:Access to PortsAuthorised IP ranges - IPv4 and IPv6Control of inbound network (from other...