47 lines
1.5 KiB
Plaintext
47 lines
1.5 KiB
Plaintext
#
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# Configuration file for setting network variables. Please note these settings
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# override /etc/sysctl.conf and /etc/sysctl.d. If you prefer to use
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# /etc/sysctl.conf, please adjust IPT_SYSCTL in /etc/default/ufw. See
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# Documentation/networking/ip-sysctl.txt in the kernel source code for more
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# information.
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#
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# Uncomment this to allow this host to route packets between interfaces
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net/ipv4/ip_forward=1
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#net/ipv6/conf/default/forwarding=1
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#net/ipv6/conf/all/forwarding=1
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# Disable ICMP redirects. ICMP redirects are rarely used but can be used in
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# MITM (man-in-the-middle) attacks. Disabling ICMP may disrupt legitimate
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# traffic to those sites.
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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/ipv6/conf/all/accept_redirects=0
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net/ipv6/conf/default/accept_redirects=0
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# Ignore bogus ICMP errors
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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/icmp_echo_ignore_all=0
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# Don't log Martian Packets (impossible addresses)
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# packets
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net/ipv4/conf/all/log_martians=0
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net/ipv4/conf/default/log_martians=0
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#net/ipv4/tcp_fin_timeout=30
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#net/ipv4/tcp_keepalive_intvl=1800
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# Uncomment this to turn off ipv6 autoconfiguration
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#net/ipv6/conf/default/autoconf=1
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#net/ipv6/conf/all/autoconf=1
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# Uncomment this to enable ipv6 privacy addressing
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#net/ipv6/conf/default/use_tempaddr=2
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#net/ipv6/conf/all/use_tempaddr=2
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# Do not send ICMP redirects (we are not a router)
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# Add the following lines
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net/ipv4/conf/all/send_redirects=0
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net/ipv4/ip_no_pmtu_disc=1
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