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a30c7aa3be
It comes much more handy to compile in the IPv6 kernel module (because it is loading almost everywhere) and disable the IPv6 functionality when the system starts up. Therefore, IPv6 is not accidentially enabled at any time unless someone wants to use it and disables the systcl options.
31 lines
833 B
Plaintext
31 lines
833 B
Plaintext
net.ipv4.ip_forward = 1
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net.ipv4.ip_dynaddr = 1
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net.ipv4.icmp_echo_ignore_broadcasts = 1
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net.ipv4.icmp_ignore_bogus_error_responses = 1
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net.ipv4.tcp_syncookies = 1
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net.ipv4.tcp_fin_timeout = 30
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net.ipv4.tcp_syn_retries = 3
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net.ipv4.tcp_synack_retries = 3
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net.ipv4.conf.default.arp_filter = 1
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net.ipv4.conf.default.rp_filter = 0
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net.ipv4.conf.default.accept_redirects = 0
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net.ipv4.conf.default.accept_source_route = 0
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net.ipv4.conf.default.log_martians = 1
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net.ipv4.conf.all.arp_filter = 1
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net.ipv4.conf.all.rp_filter = 0
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net.ipv4.conf.all.accept_redirects = 0
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net.ipv4.conf.all.accept_source_route = 0
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net.ipv4.conf.all.log_martians = 1
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kernel.printk = 1 4 1 7
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vm.swappiness=0
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vm.mmap_min_addr = 4096
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vm.min_free_kbytes = 8192
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# Disable IPv6 by default.
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net.ipv6.conf.all.disable_ipv6 = 1
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net.ipv6.conf.default.disable_ipv6 = 1
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