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advanced-ctnf [2023/05/08 00:33] – [TCP Timeout] -formatting hogwild | advanced-ctnf [2023/05/24 22:02] (current) – [Miscellaneous] -formatting hogwild | ||
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====== Conntrack / Netfilter ====== | ====== Conntrack / Netfilter ====== | ||
- | The settings | + | |
+ | The settings | ||
===== Connections ===== | ===== Connections ===== | ||
- | The Connections menu contains some limited conntrack configuration settings. //Conntrack //is a Linux utility that provides an interface to the //netfilter // | + | The Connections menu contains some limited conntrack configuration settings. //Conntrack //is a Linux utility that provides an interface to the //netfilter // |
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+ | In general, conntrack can be used to search, list, inspect and maintain the Linux kernel' | ||
Clicking on the [// Count current ... //] link gives you a real-time view of the current demand for oconnections. | Clicking on the [// Count current ... //] link gives you a real-time view of the current demand for oconnections. | ||
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The UDP Timeout table defines the timeouts of UDP packets to and from the router. | The UDP Timeout table defines the timeouts of UDP packets to and from the router. | ||
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{{: | {{: | ||
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===== Other Timeouts ===== | ===== Other Timeouts ===== | ||
Other Timeouts allows further adjustments to the router' | Other Timeouts allows further adjustments to the router' | ||
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{{: | {{: | ||
- | ===== Tracking/ | ||
- | Some protocols are well-known for not being designed to work well with NAT. Some workarounds (Helpers) have been developed to allow these protocols to operate in a NAT environment. Enabling the option will enable the helper procedure. Be advised that on networks where VoIP is in use, the use of the SIP helper is //not// recommended. While this may seem counterintuitive, | + | ===== Tracking/ |
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+ | Some protocols are well-known for being poorly | ||
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+ | Be advised that on networks where VoIP is in use, the use of the SIP helper is //not// recommended. While this may seem counterintuitive, | ||
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{{: | {{: | ||
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===== Miscellaneous ===== | ===== Miscellaneous ===== | ||
- | **TCP/UDP Buffers**: This settings | + | **TCP/UDP Buffers**: This setting |
**TTL Adjust**: This option increases or decreases the packet Time-To-Live value crossing the router. | **TTL Adjust**: This option increases or decreases the packet Time-To-Live value crossing the router. | ||
- | **Inbound Layer 7**: This enables | + | **Inbound Layer 7**: This enables |
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{{: | {{: | ||
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+ | \\ \\ | ||