[PDF] 5 Firewall und Masquerading

Masquerading is the Linux-specific form of NAT (network address translation). It can be used to connect a small LAN (where hosts use IP addresses from the  Autres questions
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  • What is firewall masquerading?

    Masquerading is a special case of Source Network Address Translation (SNAT) and allows you to masquerade an internal network (typically, your LAN Local Area Network with private address space) behind a single, official IP. address on a network interface (typically, your external interface connected to the Internet).

  • What is IP masquerading?

    IP masquerading is a form of source network address translation (SNAT) that performs many-to-one IP address translations. GKE can use IP masquerading to change the source IP addresses of packets sent from Pods.

  • What is masquerading rule?

    Masquerade rules are a special class of filtering rule. You can masquerade only datagrams that are received on one interface that will be routed to another interface.
  • Masquerading is a special form of Source NAT where the source address is unknown at the time the rule is added to the tables in the kernel. If you want to allow hosts with private address behind your firewall to access the Internet and the external address is variable (DHCP) this is what you need to use.
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This guide describes the firewall and NAT features on the Allied Telesis UTM to the AR-Series firewalls running AlliedWare Plus version 5.4.5 or later:.



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To permit IP access between devices on the network or management LAN click System > Firewall. Click on the. Forwarding & Masquerading tab



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One approach could be to define different sets of firewall and NAT rules for required Figure 5 – NSX-T edge gateway firewall rules to allow VPN traffic.