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37 lines
991 B
Plaintext
37 lines
991 B
Plaintext
## Copyright (C) 2019 - 2019 ENCRYPTED SUPPORT LP <adrelanos@riseup.net>
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## See the file COPYING for copying conditions.
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#### meta start
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#### project Whonix
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#### category networking and security
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#### description
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## TCP/IP stack hardening
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## Protects against time-wait assassination.
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## It drops RST packets for sockets in the time-wait state.
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net.ipv4.tcp_rfc1337=1
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## Disables ICMP redirect acceptance.
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net.ipv4.conf.all.accept_redirects=0
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net.ipv4.conf.default.accept_redirects=0
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net.ipv4.conf.all.secure_redirects=0
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net.ipv4.conf.default.secure_redirects=0
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net.ipv6.conf.all.accept_redirects=0
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net.ipv6.conf.default.accept_redirects=0
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## Disables ICMP redirect sending.
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net.ipv4.conf.all.send_redirects=0
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net.ipv4.conf.default.send_redirects=0
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## Ignores ICMP requests.
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net.ipv4.icmp_echo_ignore_all=1
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## Enables TCP syncookies.
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net.ipv4.tcp_syncookies=1
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## Disable source routing.
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net.ipv4.conf.all.accept_source_route=0
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net.ipv4.conf.default.accept_source_route=0
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#### meta end
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