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advanced-firewall [2022/01/21 02:49] – old revision restored (2022/01/21 02:45) 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: |
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- | **NAT loopback** | + | ===== NAT ===== |
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+ | **NAT loopback:** This technique allows LAN devices to access | ||
* All | * All | ||
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* Disabled | * Disabled | ||
- | **NAT target** - Defines | + | \\ |
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+ | {{:: | ||
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+ | **NAT target** - This defines | ||
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- | Multicast\\ {{: | ||
- | **Enable IGMP proxy** - Runs the IGMP (Internet Group Management Protocol) | + | ===== Multicast ===== |
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+ | \\ \\ {{: | ||
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+ | **Enable IGMP proxy** - Checking this enables | ||
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+ | LAN0 - LAN3 Specifies which bridges will be participate | ||
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\\ | \\ | ||
- | {{: | + | **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. |
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+ | **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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**Enable Udpxy** - Like IGMP proxy, Udpxy allows multicast communications between senders and receivers in different VLANs. Since their behavior is almost identical, it is recommended you use either Udpxy or IGMP proxy, but not both at the same time. | **Enable Udpxy** - Like IGMP proxy, Udpxy allows multicast communications between senders and receivers in different VLANs. Since their behavior is almost identical, it is recommended you use either Udpxy or IGMP proxy, but not both at the same time. | ||
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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.\\ |
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- | {{: | + | |
- | **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/ |