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Updated config

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This commit is contained in:
Eduard Urbach 2025-06-26 15:20:16 +02:00
parent 6d7312c465
commit c04af12b8e
Signed by: akyoto
GPG key ID: 49226B848C78F6C8
6 changed files with 98 additions and 0 deletions
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24
.config/etc/sysctl.d/20-security.conf Normal file
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# Reduce timeout for stale connections
net.ipv4.tcp_fin_timeout = 10
# Reduce keep alive time
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_keepalive_probes = 5
net.ipv4.tcp_keepalive_intvl = 60
# Reduce connection time to fail
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_synack_retries = 1
# Prevent simple DoS attacks
net.ipv4.tcp_max_tw_buckets = 1048576
# Disable ICMP redirects
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.all.secure_redirects = 0
net.ipv4.conf.default.secure_redirects = 0
net.ipv6.conf.all.accept_redirects = 0
net.ipv6.conf.default.accept_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0