Limit connections and redirect www to canonical
Signed-off-by: Egor Savkin <es@m-labs.hk>
This commit is contained in:
parent
164c0f021c
commit
4bbf162a87
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@ -3,13 +3,15 @@ upstream rfq_server {
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}
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server {
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limit_conn addr 5;
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root /var/www/m-labs-intl.com/html;
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index index.html index.htm index.nginx-debian.html;
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server_name m-labs-intl.com www.m-labs-intl.com;
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server_name m-labs-intl.com;
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location / {
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try_files $uri $uri/ =404;
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try_files $uri $uri/ =404;
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}
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listen [::]:443 ssl ipv6only=on; # managed by Certbot
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@ -20,8 +22,22 @@ server {
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ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
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}
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server {
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server_name www.m-labs-intl.com;
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return 301 https://m-labs-intl.com$request_uri;
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listen [::]:443 ssl; # managed by Certbot
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listen 443 ssl; # managed by Certbot
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ssl_certificate /etc/letsencrypt/live/m-labs-intl.com/fullchain.pem; # managed by Certbot
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ssl_certificate_key /etc/letsencrypt/live/m-labs-intl.com/privkey.pem; # managed by Certbot
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include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
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ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
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}
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server {
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server_name hooks.m-labs-intl.com;
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limit_conn addr 1;
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limit_req zone=rfq;
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location /rfq {
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proxy_pass http://rfq_server/rfq;
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@ -35,9 +51,10 @@ server {
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}
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location / {
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return 404;
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return 418;
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}
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listen [::]:443 ssl; # managed by Certbot
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listen 443 ssl; # managed by Certbot
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ssl_certificate /etc/letsencrypt/live/m-labs-intl.com/fullchain.pem; # managed by Certbot
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ssl_certificate_key /etc/letsencrypt/live/m-labs-intl.com/privkey.pem; # managed by Certbot
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@ -46,15 +63,20 @@ server {
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}
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server {
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if ($host = www.m-labs-intl.com) {
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limit_conn addr 1;
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if ($host = m-labs-intl.com) {
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return 301 https://$host$request_uri;
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} # managed by Certbot
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if ($host = www.m-labs-intl.com) {
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return 301 https://m-labs-intl.com$request_uri;
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} # managed by Certbot
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listen 80;
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listen [::]:80;
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server_name m-labs-intl.com www.m-labs-intl.com;
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server_name m-labs-intl.com www.m-labs-intl.com hooks.m-labs-intl.com;
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return 301 https://$host$request_uri;
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#return 404; # managed by Certbot
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}
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@ -33,6 +33,10 @@ http {
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ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; # Dropping SSLv3, ref: POODLE
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ssl_prefer_server_ciphers on;
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# Rate limiting
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limit_conn_zone $binary_remote_addr zone=addr:10m;
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limit_req_zone $binary_remote_addr zone=rfq:10m rate=5r/m;
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##
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# Logging Settings
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##
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@ -59,3 +63,32 @@ http {
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include /etc/nginx/conf.d/*.conf;
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include /etc/nginx/sites-enabled/*;
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}
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stream {
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limit_conn_zone $binary_remote_addr zone=mail:10m;
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# Upstream mail servers
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upstream smtp_backend {
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server mail.m-labs.hk:25;
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}
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upstream submission_backend {
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server mail.m-labs.hk:587;
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}
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# SMTP
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server {
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listen 25;
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proxy_pass smtp_backend;
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proxy_protocol on;
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limit_conn mail 5;
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}
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# Submission (Authenticated SMTP)
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server {
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listen 587;
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proxy_pass submission_backend;
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proxy_protocol on;
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limit_conn mail 5;
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}
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}
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@ -1,7 +1,7 @@
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# Setup m-labs-intl.com server
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```shell
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apt install git nginx-full python3 python3.12-venv python3-pip postfix opendkim opendkim-tools
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apt install git nginx-full python3 python3.12-venv python3-pip
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snap install --classic certbot
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ln -s /snap/bin/certbot /usr/bin/certbot
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useradd -m rfqserver
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@ -51,14 +51,17 @@ certbot --nginx
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service nginx restart
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cp main.cf /etc/postfix/main.cf
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cp virtual /etc/postfix/virtual
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postmap /etc/postfix/virtual
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cp opendkim /etc/default/opendkim
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cp opendkim.conf /etc/opendkim.conf
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opendkim-genkey -t -s mail -d m-labs-intl.com
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cp mail.private /etc/postfix/dkim.key
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service opendkim restart
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service postfix restart
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ufw default deny
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ufw allow from 94.190.212.123
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ufw allow from 2001:470:f891:1:5999:5529:5d:f71d
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ufw allow from 202.77.7.238
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ufw allow from 2001:470:18:390::2
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ufw allow "Nginx HTTP"
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ufw allow "Nginx HTTPS"
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ufw limit OpenSSH
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ufw default allow outgoing
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ufw limit 25/tcp
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ufw limit 587/tcp
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ufw show added
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ufw enable
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```
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