John Howard <******@****.***> 1676588060 -0800

The DNS servers would tell the browser to use some specific **IP address**. That would be the public IP address used by your server, that you configured in the DNS servers.

<img src="/img/deployment/https/https01.svg">

### TLS Handshake Start

The browser would then communicate with that IP address on **port 443** (the HTTPS port).

你可能拥有一个云服务器（虚拟机）或类似的东西，并且它会有一个<abbr title="That isn't Change">固定</abbr> **公共IP地址**。

在 DNS 服务器中，你可以配置一条记录（“A 记录”）以将 **你的域名** 指向你服务器的公共 **IP 地址**。

这个操作一般只需要在最开始执行一次。

!!! tip
     域名这部分发生在 HTTPS 之前，由于这一切都依赖于域名和 IP 地址，所以先在这里提一下。

### DNS

现在让我们关注真正的 HTTPS 部分。

首先，浏览器将通过 **DNS 服务器** 查询**域名的IP** 是什么，在本例中为 `someapp.example.com`。

DNS 服务器会告诉浏览器使用某个特定的 **IP 地址**。 这将是你在 DNS 服务器中为你的服务器配置的公共 IP 地址。

<img src="/img/deployment/https/https01.svg">

	for _, configuredPodIPs := range addCmd.IPs {
		// net.ip is implicitly convertible to netip as slice
		ip, _ := netip.AddrFromSlice(configuredPodIPs.Address.IP)
		// We ignore the mask of the IPNet - it's fine if the IPNet defines
		// a block grant of addresses, we just need one for checking routes.
		podIps = append(podIps, ip)
	}

		Comment:  comment,
		IP:       net.IP(ip.AsSlice()),
		Protocol: &ipProto,
		Replace:  replace,
	})
	if err != nil {
		return fmt.Errorf("failed to add IP %s with and proto %d to ipset %s: %w", ip, ipProto, name, err)
	}
	return nil
}

func (m *realDeps) deleteIP(name string, ip netip.Addr, ipProto uint8) error {
	err := netlink.IpsetDel(name, &netlink.IPSetEntry{
		IP:       net.IP(ip.AsSlice()),

	HostProbeSNATIP   = netip.MustParseAddr(env.RegisterStringVar("HOST_PROBE_SNAT_IP", DefaultHostProbeSNATIP, "").Get())
	HostProbeSNATIPV6 = netip.MustParseAddr(env.RegisterStringVar("HOST_PROBE_SNAT_IPV6", DefaultHostProbeSNATIPV6, "").Get())
)

const (
	// to reliably identify kubelet healthprobes from inside the pod (versus standard kube-proxy traffic,
	// since the IP is normally the same), we SNAT identified host probes in the host netns to a fixed

   * such as "::c000:201". The output does not include a Scope ID.
   *
   * @param ip {@link InetAddress} to be converted to an address string
   * @return {@code String} containing the text-formatted IP address
   * @since 10.0
   */
  public static String toAddrString(InetAddress ip) {
    checkNotNull(ip);
    if (ip instanceof Inet4Address) {
      // For IPv4, Java's formatting is good enough.

      InetAddress ip = InetAddresses.forString(validIsatapAddress);
      assertTrue(InetAddresses.isIsatapAddress((Inet6Address) ip));
      assertEquals(
          "checking '" + validIsatapAddress + "'",
          ipv4,
          InetAddresses.getIsatapIPv4Address((Inet6Address) ip));
    }
    for (String nonIsatapAddress : nonIsatapAddresses) {
      InetAddress ip = InetAddresses.forString(nonIsatapAddress);

      InetAddress ip = InetAddresses.forString(validIsatapAddress);
      assertTrue(InetAddresses.isIsatapAddress((Inet6Address) ip));
      assertEquals(
          "checking '" + validIsatapAddress + "'",
          ipv4,
          InetAddresses.getIsatapIPv4Address((Inet6Address) ip));
    }
    for (String nonIsatapAddress : nonIsatapAddresses) {
      InetAddress ip = InetAddresses.forString(nonIsatapAddress);

    C2_SVC_CIDR=$(KUBECONFIG="${C2_KUBECONFIG}" kubectl cluster-info dump | sed -n 's/^.*--service-cluster-ip-range=\([^"]*\).*$/\1/p' | head -n 1)
    docker exec "${C1_NODE}" ip route add "${C2_POD_CIDR}" via "${C2_DOCKER_IP}"
    docker exec "${C1_NODE}" ip route add "${C2_SVC_CIDR}" via "${C2_DOCKER_IP}"