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Diffstat (limited to 'net/netfilter/Kconfig')
| -rw-r--r-- | net/netfilter/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 21025c2c605b..d59742408d9b 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -651,6 +651,17 @@ config NFT_TPROXY help This makes transparent proxy support available in nftables. +config NFT_SYNPROXY + tristate "Netfilter nf_tables SYNPROXY expression support" + depends on NF_CONNTRACK && NETFILTER_ADVANCED + select NETFILTER_SYNPROXY + select SYN_COOKIES + help + The SYNPROXY expression allows you to intercept TCP connections and + establish them using syncookies before they are passed on to the + server. This allows to avoid conntrack and server resource usage + during SYN-flood attacks. + if NF_TABLES_NETDEV config NF_DUP_NETDEV |