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--- advanced-firewall [2024/11/27 00:32] – [Firewall] -Condense, formatting hogwild
+++ advanced-firewall [2024/11/27 00:42] (current) – [Multicast] hogwild
@@ Line 41: / Line 41: @@
 ===== NAT =====
-**NAT loopback:** lets LAN devices access each other via the router's WAN interface. Also known as "Hairpinning", it's often used when connecting to the DDNS domain of your router via the LAN. These days, this setting is almost never needed. Also, it can create speed bottlenecks.
+**NAT loopback:** lets LAN devices access each other via the router's WAN interface.
+Also known as "Hairpinning", it's often used when connecting to the DDNS domain of your router via the LAN. These days, this setting is almost never needed. Also, it can create speed bottlenecks.
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@@ Line 55: / Line 57: @@
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-**NAT target: **defines how NAT is implemented in loopback situations. Masquerade is the default, but involves an additional lookup, and the mapping is done towards an interface. SNAT is minutely faster, as its NAT mapping points directly to the destination IP and thus bypasses the lookup stage. However, SNAT is less reliable than Masquerade.
+**NAT target: **defines how NAT is implemented in loopback situations.
+Masquerade is the default, but involves an additional lookup, and the mapping is done towards an interface. SNAT is minutely faster, as its NAT mapping points directly to the destination IP, thus bypassing the lookup stage. However, SNAT is less reliable than Masquerade.
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@@ Line 77: / Line 81: @@
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-**Enable quick leave:** this IGMPv2 feature lets the router stop multicasting to an IP when the device sends a "quick leave" packet.
+**Enable quick leave:** this IGMPv2 feature lets the router stop multicasting to an IP that has sent it a "quick leave" packet.
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-**Custom Configuration:** lets you set advanced parameters for the IGMP proxy daemon. Consult official documentation first.\\   \\
+**Custom Configuration:** lets you configure advanced settings for the IGMP proxy daemon. Consult official documentation.\\   \\
  \\ {{:pasted:20220118-190050.png}}\\  \\
-**Enable Udpxy: **like IGMP proxy, Udpxy lets devices on different VLANs to do multicast communications. Since they are similar, use one or the other, but not both at once.
+**Enable Udpxy: **like IGMP proxy, this lets devices on different VLANs do multicast communications.
+Since they are similar, use one or the other, but not both at the same time.
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-**Upstream interface** - here, enter the expected stream source location. (Default: blank).
+**Upstream interface: **here, enter the expected stream source location.
+(Default: blank).
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-**LAN0/LAN1/LAN2/LAN3** - specifies the location streaming clients are expected to be found.
+**LAN0/LAN1/LAN2/LAN3** - specifies the location streaming clients should be found.
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-**Enable client statistics** -causes FreshTomato to collect statistics about Udpxy clients.
+**Enable client statistics:** causes FreshTomato to collect statistics about Udpxy clients.
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-**Max clients: **the maximum number of simultaneous Udpxy clients. Since Udpxy is is a lightweight protocol, it works well for a limited number of clients. Therefore, you might want to impose a maximum limit.
+**Max clients: **the maximum number of simultaneous Udpxy clients.
+Udpxy is is a lightweight protocol, so it works well for a limited number of clients. You might want to set a maximum limit.
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@@ Line 117: / Line 127: @@
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-**Force IGMPv2** - IGMPv2 enhances IGMP with additional messages/behavior to optimize end-to-end client-server communication. Probably the most important one is the "Leave Group" message. When a host wants to stop listening to a multicast group address, it reports to the router that it has stopped listening. In v1, the host simply stopped listening, without informing the router.
+**Force IGMPv2: **forces IGMPv2 to be used on the network.
+IGMPv2 enhances IGMP with additional messages/behavior to optimize end-to-end client-server communication. Probably the most important one is the "Leave Group" message. When a host wants to stop listening to a multicast group address, it reports to the router that it has stopped listening. In v1, the host simply stopped listening, without informing the router.
  \\

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