43 lines
1.1 KiB
Plaintext
43 lines
1.1 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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config NET_NAT
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bool "Network Address Translation (NAT)"
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default n
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depends on NET_IPFORWARD
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---help---
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Enable or disable Network Address Translation (NAT) function.
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config NET_NAT_TCP_EXPIRE_SEC
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int "TCP NAT entry expiration seconds"
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default 86400
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depends on NET_NAT
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---help---
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The expiration time for idle TCP entry in NAT.
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Note: The default value 86400 is suggested by RFC2663, Section 2.6,
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Page 5.
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config NET_NAT_UDP_EXPIRE_SEC
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int "UDP NAT entry expiration seconds"
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default 240
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depends on NET_NAT
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---help---
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The expiration time for idle UDP entry in NAT.
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Note: RFC2663 (Section 2.6, Page 5) suggests that non-TCP sessions
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that have not been used for a couple of minutes can be assumed to be
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terminated.
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config NET_NAT_ICMP_EXPIRE_SEC
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int "ICMP NAT entry expiration seconds"
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default 60
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depends on NET_NAT
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---help---
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The expiration time for idle ICMP entry in NAT.
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Note: The default value 60 is suggested by RFC5508, Section 3.2,
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Page 8.
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