IPVS: Enable connection tracking by default
[ipfire-2.x.git] / config / etc / sysctl.conf
1 net.ipv4.ip_forward = 1
2 net.ipv4.ip_dynaddr = 1
3
4 # Disable Path MTU Discovery
5 net.ipv4.ip_no_pmtu_disc = 1
6
7 net.ipv4.icmp_echo_ignore_broadcasts = 1
8 net.ipv4.icmp_ignore_bogus_error_responses = 1
9 net.ipv4.icmp_ratelimit = 1000
10 net.ipv4.icmp_ratemask = 6168
11
12 net.ipv4.tcp_syncookies = 1
13 net.ipv4.tcp_fin_timeout = 30
14 net.ipv4.tcp_syn_retries = 3
15 net.ipv4.tcp_synack_retries = 3
16
17 net.ipv4.conf.default.arp_filter = 1
18 net.ipv4.conf.default.rp_filter = 0
19 net.ipv4.conf.default.accept_redirects = 0
20 net.ipv4.conf.default.accept_source_route = 0
21 net.ipv4.conf.default.log_martians = 1
22
23 net.ipv4.conf.all.arp_filter = 1
24 net.ipv4.conf.all.rp_filter = 0
25 net.ipv4.conf.all.accept_redirects = 0
26 net.ipv4.conf.all.accept_source_route = 0
27 net.ipv4.conf.all.log_martians = 1
28
29 # Enable connection tracking for IPVS
30 net.ipv4.vs.conntrack = 1
31
32 kernel.printk = 1 4 1 7
33 vm.swappiness=1
34 vm.mmap_min_addr = 4096
35 vm.min_free_kbytes = 8192
36
37 # Disable IPv6 by default.
38 net.ipv6.conf.all.disable_ipv6 = 1
39 net.ipv6.conf.default.disable_ipv6 = 1
40
41 # Enable netfilter accounting
42 net.netfilter.nf_conntrack_acct=1
43
44 # Disable netfilter on bridges.
45 net.bridge.bridge-nf-call-ip6tables = 0
46 net.bridge.bridge-nf-call-iptables = 0
47 net.bridge.bridge-nf-call-arptables = 0
48
49 # Try to keep kernel address exposures out of various /proc files (kallsyms, modules, etc).
50 kernel.kptr_restrict = 2
51
52 # Avoid kernel memory address exposures via dmesg.
53 kernel.dmesg_restrict = 1