syncookies: remove Kconfig text line about disabled-by-default
syncookies default to on since
e994b7c901
(tcp: Don't make syn cookies initial setting depend on CONFIG_SYSCTL).
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
ca73948166
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@ -303,7 +303,7 @@ config ARPD
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If unsure, say N.
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If unsure, say N.
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config SYN_COOKIES
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config SYN_COOKIES
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bool "IP: TCP syncookie support (disabled per default)"
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bool "IP: TCP syncookie support"
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---help---
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---help---
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Normal TCP/IP networking is open to an attack known as "SYN
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Normal TCP/IP networking is open to an attack known as "SYN
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flooding". This denial-of-service attack prevents legitimate remote
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flooding". This denial-of-service attack prevents legitimate remote
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@ -328,13 +328,13 @@ config SYN_COOKIES
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server is really overloaded. If this happens frequently better turn
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server is really overloaded. If this happens frequently better turn
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them off.
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them off.
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If you say Y here, note that SYN cookies aren't enabled by default;
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If you say Y here, you can disable SYN cookies at run time by
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you can enable them by saying Y to "/proc file system support" and
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saying Y to "/proc file system support" and
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"Sysctl support" below and executing the command
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"Sysctl support" below and executing the command
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echo 1 >/proc/sys/net/ipv4/tcp_syncookies
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echo 0 > /proc/sys/net/ipv4/tcp_syncookies
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at boot time after the /proc file system has been mounted.
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after the /proc file system has been mounted.
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If unsure, say N.
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If unsure, say N.
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