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@ahmeti
Last active March 9, 2023 04:41
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Ubuntu Nginx Güvenlik Önlemleri
# To disable tunneled clear text passwords, change to no here!
PasswordAuthentication no
sudo ufw enable
sudo ufw status numbered
# Aşağıdaki kurallar haricindeki tüm kuralları siliyoruz.
# Diğer kuralları silmek için;
sudo ufw delete kural-numarasi
# Silme işlemlerinden sonra ufw status aşağıda görülmektedir.
To Action From
-- ------ ----
22/tcp LIMIT Anywhere
443/tcp ALLOW Anywhere
22/tcp (v6) LIMIT Anywhere (v6)
443/tcp (v6) ALLOW Anywhere (v6)
server {
server_name _;
listen 443 ssl http2 default_server;
listen [::]:443 ssl http2 default_server; # ip v6
ssl_reject_handshake on; # ssl doğrulamasını reddediyoruz v1.19.4+
return 444; # Bağlantıyı herhangi bir veri göndermeden kapatıyoruz.
}
http {
# Tüm IP adreslerine izin verir!!!
# set_real_ip_from 0.0.0.0/0;
# Cloudflare IPv4 Addresses (https://www.cloudflare.com/ips-v4)
set_real_ip_from 173.245.48.0/20;
set_real_ip_from 103.21.244.0/22;
set_real_ip_from 103.22.200.0/22;
set_real_ip_from 103.31.4.0/22;
set_real_ip_from 141.101.64.0/18;
set_real_ip_from 108.162.192.0/18;
set_real_ip_from 190.93.240.0/20;
set_real_ip_from 188.114.96.0/20;
set_real_ip_from 197.234.240.0/22;
set_real_ip_from 198.41.128.0/17;
set_real_ip_from 162.158.0.0/15;
set_real_ip_from 104.16.0.0/13;
set_real_ip_from 104.24.0.0/14;
set_real_ip_from 172.64.0.0/13;
set_real_ip_from 131.0.72.0/22;
# Cloudflare IPv6 Addresses (https://www.cloudflare.com/ips-v6)
set_real_ip_from 2400:cb00::/32;
set_real_ip_from 2606:4700::/32;
set_real_ip_from 2803:f800::/32;
set_real_ip_from 2405:b500::/32;
set_real_ip_from 2405:8100::/32;
set_real_ip_from 2a06:98c0::/29;
set_real_ip_from 2c0f:f248::/32;
real_ip_header CF-Connecting-IP;
server {
...
}
}
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