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advanced-firewall [2023/05/28 03:50] – [Firewall] -condense, fix subheads, formatting problems hogwild | advanced-firewall [2023/05/28 04:37] – [Firewall] -condense hogwild | ||
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===== Firewall ===== | ===== Firewall ===== | ||
- | {{: | + | {{: |
- | **Limit communication | + | |
- | | + | **Limit communication to: **This specifies the maximum number of requests per second to which the Firewall will reply. Setting a limit number is recommended to prevent DDoS attacks.\\ |
+ | |||
+ | \\ | ||
+ | |||
+ | **Enable TCP SYN cookies: | ||
**Enable DCSP Fix: **Checking this enables a workaround for packet marking, a well-known issue related to DSCP when connected to Comcast. | **Enable DCSP Fix: **Checking this enables a workaround for packet marking, a well-known issue related to DSCP when connected to Comcast. | ||
- | **Allow DHCP Spoofing:** | + | **Allow DHCP Spoofing: ** |
- | IPv6 IPSec Passthrough - Enabling this allow IPSec tunnels to pass through the firewall. It opens port 500 and the " | + | **Smart MTU black hole detection: |
===== NAT ===== | ===== NAT ===== | ||
- | NAT loopback | + | **NAT loopback:** This technique allows LAN devices to access |
* All | * All | ||
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* Disabled | * Disabled | ||
- | **NAT target** - Defines | + | \\ |
+ | |||
+ | {{:: | ||
+ | |||
+ | **NAT target** - This defines | ||
\\ | \\ | ||
- | \\ {{: | ||
- | **Enable IGMP proxy** - Runs the IGMP (Internet Group Management Protocol) service on the router. | + | ===== Multicast ===== |
- | **LAN0/ | + | \\ \\ {{: |
- | **Enable | + | **Enable |
- | **Custom Configuration** - This option allows you to set up advanced parameters for the IGMP proxy daemon. | + | LAN0 - LAN3 Specifies which bridges will participate in IGMP, with the router acting as a proxy between selected LANs. This allows IGMP to work between VLANs. |
+ | |||
+ | * LAN0 - Checking this means the LAN0 bridge will participate in IGMP proxy. | ||
+ | * LAN1 - Checking this means the LAN1 bridge will participate in IGMP proxy. | ||
+ | * LAN2 - Checking this means the LAN2 bridge will participate in IGMP proxy/ | ||
+ | * LAN3 - Checking this means the LAN3 bridge will participate in IGMP proxy. | ||
+ | |||
+ | \\ | ||
+ | |||
+ | **Enable quick leave** - This is a feature of IGMP v2 and later. Enabling this allows the router to stop streaming multicast to an IP address as soon as that device sends a "quick leave" IGMP packet. | ||
+ | |||
+ | **Custom Configuration** - This option allows you to set advanced parameters for the IGMP proxy daemon. | ||
\\ {{: | \\ {{: | ||
- | **Enable Udpxy** - Like IGMP proxy, Udpxy allows multicast communications between | + | **Enable Udpxy** - Like IGMP proxy, Udpxy allows multicast communications between |
+ | |||
+ | **Upstream interface** - Here, enter the stream source is expected to live. (Default: blank). | ||
- | **Upstream interface** - Defines where the stream source is expected to live. (Default: blank). | + | **LAN0/ |
- | **LAN0/ | + | **Enable client statistics** - Enabling this causes FreshTomato |
- | **Enable client statistics** - Enabling this causes FreshTomato to collect statistical information about Udpxy clients. | + | **Max clients - ** This represents the maximum number of simultaneous |
- | **Max clients -** Considering this is a lightwave protocol it works well for a limited number of clients, you might want to impose a maximum number.Specifies | + | **Udpxy port**- This specifies |
- | **Udpxy port**- This is where you can consult | + | **Efficient Multicast Forwarding (IGMP Snooping) -** IGMP snooping allows |
- | **Efficient Multicast Forwarding (IGMP Snooping) -** IGMP snooping is a way to have the switch (part of the router) facilitating the discovery of multicast (IGMP) clients. The idea is to only multicast traffic towards ethernet ports where there' | + | therefore, multicast network misconfiguration or other deficiencies can appear as UPnP issues rather than underlying network issues. If IGMP snooping is enabled on a switch, or more commonly a wireless router/ |
**Force IGMPv2** - IGMPv2 enhances the IGMP communication supporting additional messages/ | **Force IGMPv2** - IGMPv2 enhances the IGMP communication supporting additional messages/ | ||