sysctl.conf revision 1.5
1# $OpenBSD: sysctl.conf,v 1.5 2019/09/18 08:39:06 solene Exp $ 2# 3# This file contains a list of sysctl options the user wants set at 4# boot time. See sysctl(2) and sysctl(8) for more information on 5# the many available variables. 6# 7#net.inet.ip.forwarding=1 # 1=Permit forwarding (routing) of IPv4 packets 8#net.inet.ip.mforwarding=1 # 1=Permit forwarding (routing) of IPv4 multicast packets 9#net.inet.ip.multipath=1 # 1=Enable IP multipath routing 10#net.inet.icmp.rediraccept=1 # 1=Accept ICMP redirects 11#net.inet6.ip6.forwarding=1 # 1=Permit forwarding (routing) of IPv6 packets 12#net.inet6.ip6.mforwarding=1 # 1=Permit forwarding (routing) of IPv6 multicast packets 13#net.inet6.ip6.multipath=1 # 1=Enable IPv6 multipath routing 14#net.inet.tcp.always_keepalive=1 # 1=Keepalives for all connections (e.g. hotel/airport NAT) 15#net.inet.tcp.keepidle=100 # 100=send TCP keepalives every 50 seconds 16#net.inet.esp.enable=0 # 0=Disable the ESP IPsec protocol 17#net.inet.ah.enable=0 # 0=Disable the AH IPsec protocol 18#net.inet.esp.udpencap=0 # 0=Disable ESP-in-UDP encapsulation 19#net.inet.ipcomp.enable=1 # 1=Enable the IPCOMP protocol 20#net.inet.etherip.allow=1 # 1=Enable the Ethernet-over-IP protocol 21#net.inet.tcp.ecn=1 # 1=Enable the TCP ECN extension 22#net.inet.carp.preempt=1 # 1=Enable carp(4) preemption 23#net.inet.carp.log=3 # log level of carp(4) info, default 2 24#net.pipex.enable=1 # 1=Enable pipex(4) for npppd(8) 25#ddb.panic=0 # 0=Do not drop into ddb on a kernel panic 26#ddb.console=1 # 1=Permit entry of ddb from the console 27#ddb.log=1 # 1=Log ddb output in kernel message buffer 28#fs.posix.setuid=0 # 0=Traditional BSD chown() semantics 29#vm.swapencrypt.enable=0 # 0=Do not encrypt pages that go to swap 30#vfs.nfs.iothreads=4 # Number of nfsio kernel threads 31#net.inet.ip.mtudisc=0 # 0=Disable tcp mtu discovery 32#kern.splassert=2 # 2=Enable with verbose error messages 33#kern.nosuidcoredump=3 # 3=Put suid coredumps in /var/crash/progname 34#kern.watchdog.period=32 # >0=Enable hardware watchdog(4) timer if available 35#kern.watchdog.auto=0 # 0=Disable automatic watchdog(4) retriggering 36#hw.allowpowerdown=0 # 0=Disable power button shutdown 37