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os:linux:set:kernel:etc_sysctl.conf.html



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os:linux:set:kernel:etc_sysctl.conf.html [2017/11/19 00:01]
kurihara ↷ Page moved from os:sysctl.conf.html to os:conf:sysctl.conf.html
os:linux:set:kernel:etc_sysctl.conf.html [2018/02/04 23:24]
kurihara ↷ Links adapted because of a move operation
Line 1: Line 1:
-[[os:index.html|]] +~~NOTOC~~ 
-====== Configuration of /etc/sysctl.conf ======+[[os:linux:set:index.html]] 
 +====== /etc/sysctl.conf======
  
  
Line 31: Line 32:
 # Network # Network
 #------------------------------------------------------------------------------ #------------------------------------------------------------------------------
-# keepalive+TCP keepalive
 net.ipv4.tcp_keepalive_time = 60  # defautl 7200 net.ipv4.tcp_keepalive_time = 60  # defautl 7200
 net.ipv4.tcp_keepalive_intvl = 3  # default 75 net.ipv4.tcp_keepalive_intvl = 3  # default 75
Line 38: Line 39:
 # 60sec + 3sec * 9 = 567sec = 9.56min # 60sec + 3sec * 9 = 567sec = 9.56min
  
- +tcp connection 
-disable IPv6 (CentOS7) +net.nf_conntrack_max 1048576
-net.ipv6.conf.all.disable_ipv6 = 1 +
-net.ipv6.conf.lo.disable_ipv6 = 1 +
-net.ipv6.conf.default.disable_ipv6 1+
  
 # port exhaustion # port exhaustion
Line 52: Line 50:
  
 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_tw_reuse = 1
 +
 +# disable IPv6 (CentOS7)
 +net.ipv6.conf.all.disable_ipv6 = 1
 +net.ipv6.conf.lo.disable_ipv6 = 1
 +net.ipv6.conf.default.disable_ipv6 = 1
  
  
Line 62: Line 65:
 </sxh> </sxh>
  
 +
 +\\
 +<WRAP box 90%>
 +<catlist ..: -noAddPageButton -smallHead>
 +</WRAP>
  
 \\ \\
 \\ \\
-[[os:index.html|]]+[[os:linux:set:index.html]]


os/linux/set/kernel/etc_sysctl.conf.html.txt · Last modified: 2018/02/17 01:43 by kurihara