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advanced-firewall [2022/01/21 02:54] – clarity, grammar hogwild | advanced-firewall [2023/05/28 04:13] – [NAT] -resize "advanced-firewall-NAT.jpg" to 454x113 hogwild | ||
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- | ===== Firewall ===== | + | ====== Firewall |
- | The Firewall page allows you to configure options to protect/facilitate | + | The Firewall page allows you to configure options to protect |
- | {{: | ||
- | **Limit communication to **- Specifies the maximum number of requests per second to which the Firewall | + | ===== Firewall |
- | \\ | + | {{: |
- | {{: | + | **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** - This enables a workaround for a well-known issue related to DSCP (packet marking) | + | **Enable DCSP Fix: |
- | **IPv6 IPSec Passthrough** - FIXME\\ \\ | + | **Allow DHCP Spoofing: |
- | \\ | + | **Smart MTU black hole detection: |
- | {{: | ||
- | **NAT loopback** | + | ===== NAT ===== |
+ | |||
+ | **NAT loopback:** This technique allows LAN devices to access | ||
* All | * All | ||
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* Disabled | * Disabled | ||
- | **NAT target** - Defines | + | \\ |
+ | |||
+ | {{:: | ||
+ | |||
+ | **NAT target** - This defines | ||
\\ | \\ | ||
- | Multicast\\ {{: | ||
- | **Enable IGMP proxy** - Runs the IGMP (Internet Group Management Protocol) service on the router. | + | ===== Multicast ===== |
- | **LAN0/ | + | \\ \\ {{: |
+ | |||
+ | **Enable IGMP proxy** - Checking this enables the IGMP (Internet Group Management Protocol) service. | ||
+ | |||
+ | LAN0 - LAN3 Specifies which bridges will be participate | ||
+ | |||
+ | * LAN0 - Checking this specifies the LAN0 bridge will participate in IGMP. | ||
+ | * LAN1 - Checking this specifies the LAN1 bridge will participate in IGMP. | ||
+ | * LAN2 - Checking this specifies the LAN2 bridge will participate in IGMP | ||
+ | * LAN3 - Checking this specifies the LAN3 bridge will participate in IGMP | ||
+ | |||
+ | \\ | ||
**Enable quick leave** - This is a feature of IGMP v2. This allows the router to stop the streaming of a multicast to an IP address as soon as that end device sends the quick leave IGMP packet. | **Enable quick leave** - This is a feature of IGMP v2. This allows the router to stop the streaming of a multicast to an IP address as soon as that end device sends the quick leave IGMP packet. | ||
- | **Custom Configuration** - This option allows you to set up advanced parameters for the IGMP proxy daemon. Please consult the official IGMP documentation before finalizing these settings.\\ | + | **Custom Configuration** - This option allows you to set up advanced parameters for the IGMP proxy daemon. Please consult the official IGMP documentation before finalizing these settings.\\ \\ |
\\ {{: | \\ {{: | ||
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**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 the maximum number of simultaneous Udpxy clients. | **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 the maximum number of simultaneous Udpxy clients. | ||
- | **Udpxy port**- This is where you can consult the Udpxy information on your router.\\ | + | **Udpxy port**- This is where you can consult the Udpxy information on your router.\\ |
- | + | ||
- | {{: | + | |
- | **Efficient Multicast Forwarding (IGMP Snooping) -** IGMP snooping is a way to have the switch (router) facilitating the discovery of multicast (IGMP) clients. Beware | + | **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' |
- | **Force IGMPv2** - IGMPv2 enhances the IGMP communication supporting additional messages/ | + | **Force IGMPv2** - IGMPv2 enhances the IGMP communication supporting additional messages/ |