nat-t
另外就是IPSec（IP Security）的環境，如果想在這樣的網路環境中使用NAT穿透技術，需要在防火牆上實作IKE（Internet Key Exchange）或ESP（Encapsulating Security Payload），或者使用IPSec NAT-T技術。IKE技術使用UDP編號為500的埠，ESP則使用IP編號為50的埠，而IPSec NAT-T採用UDP編號為4500的埠。,IPsec VPN客戶普遍使用NAT-T來達到使ESP包通過NAT的目的。 儘管有許多穿越NAT的技術，但沒有一項是完美的，這是因為NAT的行為是非標準化的。這些技術中的大多數都要求有一個公共伺服器，而且這個伺服器使用的是一個眾所周知的、從全球任何地方都能訪問得到的IP位址。一些方法僅在建立連接時需要使用這個伺服器，而 ... ,Network address translator traversal is a computer networking technique of establishing and maintaining Internet protocol connections across gateways that implement network address translation (NAT). NAT traversal techniques are required for many network , 除了手機與手機之間的溝通，另一個應用就是物聯網(IOT)的概念，讓Device 與Device 互相溝通，或是手機與Device 互相溝通。但是隨著端點(End Device)的種類越來越多，而端與端之間所處的網路環境也越來越複雜，這時就會遇到許多問題，其中NAT Traversal與穿越防火牆的問題，就是其中之一，還好再此之前傳統 ..., This document describes details on how NAT-T works. Background: ESP encrypts all critical information, encapsulating the entire inner TCP/UDP datagram within an ESP header. ESP is an IP protocol in the same sense that TCP and UDP are IP protocols (OSI Ne,Solved: NAT Traversal performs two tasks: it detects if both ends support NAT-T and NAT-Discovery that detects NAT devices along the transmission path. NAT-D payload is a hash of the original IP and port. Devices exchange two NAT-D packets, one. ,NAT-T (NAT Traversal). Nat Traversal also known as UDP encapsulation allows traffic to get to the specified destination when a device does not have a public address. This is usually the case if your ISP is doing NAT, or the external interface of your fire,SRX Series,vSRX. Network Address Translation-Traversal (NAT-T) is a method for getting around IP address translation issues encountered when data protected by IPsec passes through a NAT device for address translation. Any changes to the IP addressing, whi,CCNP SC 300-209 SIMOS Join our expert instructor, Cristian Matei, with real-world extensive ... , Traditionally, IPSec does not work when traversing across a device doing NAT/PAT(Network Address Translation and Port Address Translation), meaning if either one of the devices or both the devices terminating IPSEC is behind a NAT device, IPSEC will not
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 nat-t 相關參考資料
NAT穿透技術從外部直接溝通私有IP - 技術專欄- 網管人NetAdmin
另外就是IPSec（IP Security）的環境，如果想在這樣的網路環境中使用NAT穿透技術，需要在防火牆上實作IKE（Internet Key Exchange）或ESP（Encapsulating Security Payload），或者使用IPSec NAT-T技術。IKE技術使用UDP編號為500的埠，ESP則使用IP編號為50的埠，而IPSec NAT-T採用UDP編號為4500的埠... http://www.netadmin.com.tw NAT穿透- 維基百科，自由的百科全書 - Wikipedia
IPsec VPN客戶普遍使用NAT-T來達到使ESP包通過NAT的目的。 儘管有許多穿越NAT的技術，但沒有一項是完美的，這是因為NAT的行為是非標準化的。這些技術中的大多數都要求有一個公共伺服器，而且這個伺服器使用的是一個眾所周知的、從全球任何地方都能訪問得到的IP位址。一些方法僅在建立連接時需要使用這個伺服器，而 ... https://zh.wikipedia.org NAT traversal - Wikipedia
Network address translator traversal is a computer networking technique of establishing and maintaining Internet protocol connections across gateways that implement network address translation (NAT). ... https://en.wikipedia.org [筆記] NAT Traversal and Peer to Peer - 阿貝好威的實驗室
除了手機與手機之間的溝通，另一個應用就是物聯網(IOT)的概念，讓Device 與Device 互相溝通，或是手機與Device 互相溝通。但是隨著端點(End Device)的種類越來越多，而端與端之間所處的網路環境也越來越複雜，這時就會遇到許多問題，其中NAT Traversal與穿越防火牆的問題，就是其中之一，還好再此之前傳統 ... http://lab.howie.tw How Does NAT-T work with IPSec? - Cisco Support Community
This document describes details on how NAT-T works. Background: ESP encrypts all critical information, encapsulating the entire inner TCP/UDP datagram within an ESP header. ESP is an IP protocol in t... https://supportforums.cisco.co Solved: How NAT-T works with IPSec? - Cisco Support Community
Solved: NAT Traversal performs two tasks: it detects if both ends support NAT-T and NAT-Discovery that detects NAT devices along the transmission path. NAT-D payload is a hash of the original IP and p... https://supportforums.cisco.co NAT Traversal tutorial - IPSec over NAT
NAT-T (NAT Traversal). Nat Traversal also known as UDP encapsulation allows traffic to get to the specified destination when a device does not have a public address. This is usually the case if your I... http://www.internet-computer-s Understanding NAT-T - Technical Documentation - Support - Juniper ...
SRX Series,vSRX. Network Address Translation-Traversal (NAT-T) is a method for getting around IP address translation issues encountered when data protected by IPsec passes through a NAT device for add... https://www.juniper.net CCNP Security: NAT-T Overview - YouTube
CCNP SC 300-209 SIMOS Join our expert instructor, Cristian Matei, with real-world extensive ... https://www.youtube.com How to disableenable NAT traversal in VPN settings. | Knowledge ...
Traditionally, IPSec does not work when traversing across a device doing NAT/PAT(Network Address Translation and Port Address Translation), meaning if either one of the devices or both the devices te... https://www.sonicwall.com |