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m-labs-intl.com VPS setup information

Co-authored-by: Egor Savkin <es@m-labs.hk>
Co-committed-by: Egor Savkin <es@m-labs.hk>
This commit is contained in:
Egor Savkin 2024-10-21 15:48:17 +08:00 committed by sb10q
parent 14e9d63ab7
commit d27ee750a2
11 changed files with 357 additions and 0 deletions

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network:
version: 2
renderer: networkd
ethernets:
eth0:
addresses:
- 5.78.86.156/32
- 2a01:4ff:1f0:83de::2/64
- 2a01:4ff:1f0:83de::3/64
- 2a01:4ff:1f0:83de::4/64
tunnels:
gre1:
mode: gre
local: 5.78.86.156
remote: 94.190.212.123
addresses:
- 10.47.3.0/31

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[Unit]
Description=GRE tunnel to the main host
After=network.target
[Service]
Type=simple
User=root
ExecStart=/root/gretun.sh
ExecStop=/root/gretun_down.sh
Restart=on-failure
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target

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m-labs-intl/gretun.sh Executable file
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#!/bin/bash
/usr/sbin/iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 25 -j DNAT --to-destination 10.47.3.1:25
/usr/sbin/iptables -A FORWARD -p tcp -d 10.47.3.1/31 --dport 25 -j ACCEPT
/usr/sbin/iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 587 -j DNAT --to-destination 10.47.3.1:587
/usr/sbin/iptables -A FORWARD -p tcp -d 10.47.3.1/31 --dport 587 -j ACCEPT
/usr/sbin/iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
/usr/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

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m-labs-intl/gretun_down.sh Executable file
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#!/bin/bash
/usr/sbin/iptables -t nat -D PREROUTING -p tcp -i eth0 --dport 25 -j DNAT --to-destination 10.47.3.1:25
/usr/sbin/iptables -D FORWARD -p tcp -d 10.47.3.1/31 --dport 25 -j ACCEPT
/usr/sbin/iptables -t nat -D PREROUTING -p tcp -i eth0 --dport 587 -j DNAT --to-destination 10.47.3.1:587
/usr/sbin/iptables -D FORWARD -p tcp -d 10.47.3.1/31 --dport 587 -j ACCEPT
/usr/sbin/iptables -D FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
/usr/sbin/iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE

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upstream rfq_server {
server 127.0.0.1:5000;
}
server {
limit_conn addr 5;
root /var/www/m-labs-intl.com/html;
index index.html index.htm index.nginx-debian.html;
server_name m-labs-intl.com;
location / {
try_files $uri $uri/ =404;
}
listen [::]:443 ssl ipv6only=on; # managed by Certbot
listen 443 ssl; # managed by Certbot
ssl_certificate /etc/letsencrypt/live/m-labs-intl.com/fullchain.pem; # managed by Certbot
ssl_certificate_key /etc/letsencrypt/live/m-labs-intl.com/privkey.pem; # managed by Certbot
include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
server {
server_name www.m-labs-intl.com;
return 301 https://m-labs-intl.com$request_uri;
listen [::]:443 ssl; # managed by Certbot
listen 443 ssl; # managed by Certbot
ssl_certificate /etc/letsencrypt/live/m-labs-intl.com/fullchain.pem; # managed by Certbot
ssl_certificate_key /etc/letsencrypt/live/m-labs-intl.com/privkey.pem; # managed by Certbot
include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
server {
server_name hooks.m-labs-intl.com;
limit_conn addr 5;
location /rfq {
proxy_pass http://rfq_server/rfq;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_read_timeout 30;
proxy_connect_timeout 30;
proxy_send_timeout 30;
}
location / {
return 418;
}
listen [::]:443 ssl; # managed by Certbot
listen 443 ssl; # managed by Certbot
ssl_certificate /etc/letsencrypt/live/m-labs-intl.com/fullchain.pem; # managed by Certbot
ssl_certificate_key /etc/letsencrypt/live/m-labs-intl.com/privkey.pem; # managed by Certbot
include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
server {
limit_conn addr 5;
if ($host = m-labs-intl.com) {
return 301 https://$host$request_uri;
} # managed by Certbot
if ($host = www.m-labs-intl.com) {
return 301 https://m-labs-intl.com$request_uri;
} # managed by Certbot
listen 80;
listen [::]:80;
server_name m-labs-intl.com www.m-labs-intl.com hooks.m-labs-intl.com;
return 301 https://$host$request_uri;
}

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connections {
m_labs {
version = 2
encap = no
mobike = no
send_certreq = no
proposals = aes128gcm128-sha256-prfsha256-curve25519,aes128gcm128-sha256-prfsha256-ecp256
local_addrs = 5.78.86.156
remote_addrs = 94.190.212.123
local {
auth = pubkey
id = fqdn:m-labs-intl.com
pubkeys = m-labs-intl.com
}
remote {
auth = pubkey
id = fqdn:m-labs.hk
pubkeys = m-labs.hk
}
children {
con1 {
mode = transport
ah_proposals = sha256-curve25519,sha256-ecp256
esp_proposals =
local_ts = 5.78.86.156[gre]
remote_ts = 94.190.212.123[gre]
start_action = start
close_action = none
}
}
}
}

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m-labs-intl/mail.secret Normal file
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m-labs-intl/nginx.conf Normal file
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user www-data;
worker_processes auto;
pid /run/nginx.pid;
error_log /var/log/nginx/error.log;
include /etc/nginx/modules-enabled/*.conf;
events {
worker_connections 768;
# multi_accept on;
}
http {
##
# Basic Settings
##
sendfile on;
tcp_nopush on;
types_hash_max_size 2048;
# server_tokens off;
server_names_hash_bucket_size 64;
# server_name_in_redirect off;
include /etc/nginx/mime.types;
default_type application/octet-stream;
##
# SSL Settings
##
ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; # Dropping SSLv3, ref: POODLE
ssl_prefer_server_ciphers on;
# Rate limiting
limit_conn_zone $binary_remote_addr zone=addr:10m;
##
# Logging Settings
##
access_log /var/log/nginx/access.log;
##
# Gzip Settings
##
gzip on;
# gzip_vary on;
# gzip_proxied any;
# gzip_comp_level 6;
# gzip_buffers 16 8k;
# gzip_http_version 1.1;
gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
##
# Virtual Host Configs
##
include /etc/nginx/conf.d/*.conf;
include /etc/nginx/sites-enabled/*;
}

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m-labs-intl/rfq.service Normal file
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[Unit]
Description=RFQ service
After=network.target
[Service]
Type=simple
User=rfqserver
ExecStart=/home/rfqserver/runrfq.sh
Restart=on-failure
[Install]
WantedBy=multi-user.target

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m-labs-intl/runrfq.sh Normal file
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#!/usr/bin/env bash
export FLASK_DEBUG=0
export FLASK_MAIL_SERVER=mail.m-labs.hk
export FLASK_MAIL_PORT=465
export FLASK_MAIL_USE_SSL=True
export FLASK_MAIL_USERNAME=sysop-intl@m-labs-intl.com
export FLASK_MAIL_PASSWORD_FILE=/home/rfqserver/mail.secret
export FLASK_MAIL_RECIPIENT=sales@m-labs.hk
export FLASK_MAIL_SENDER=sysop-intl@m-labs-intl.com
cd /home/rfqserver/web2019/server
source venv/bin/activate
python3 -m flask --app rfq run --port=5000

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m-labs-intl/setup.md Normal file
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# Setup m-labs-intl.com server
```shell
# Install required packages
apt install git nginx-full python3 python3.12-venv python3-pip iptables ufw \
strongswan strongswan-swanctl strongswan-pki strongswan-libcharon
snap install --classic certbot
ln -s /snap/bin/certbot /usr/bin/certbot
# Set up networks (includes GRE)
cp 60-tunnels.yaml /etc/netplan/
netplan apply
# set up IPsec-AH connection
cp m-labs.hk.conf /etc/swanctl/conf.d/
echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf
sysctl -p
cp m-labs.hk /etc/swanctl/pubkey/m-labs.hk # get pubkey from nixbld
pki --gen --type rsa --size 4096 --outform pem > /etc/swanctl/private/m-labs-intl.com
pki --pub --in /etc/swanctl/private/m-labs-intl.com --outform pem > /etc/swanctl/pubkey/m-labs-intl.com
cp /etc/swanctl/pubkey/m-labs-intl.com m-labs-intl.com # add it to the nixbld
systemctl enable strongswan --now
systemctl restart strongswan
# Set up website
cp m-labs-intl.com /etc/nginx/sites-available/
cp nginx.conf /etc/nginx/
ln -s /etc/nginx/sites-available/m-labs-intl.com /etc/nginx/sites-enabled/
systemctl enable nginx --now
service nginx restart
# Issue SSL certificate - website only, the mail is on the HK side
certbot --nginx
service nginx restart
# Create a user for automatic website deployment from nixbld
useradd -m zolaupd
mkdir -p /var/www/m-labs-intl.com/html
chown -R zolaupd /var/www/m-labs-intl.com/
sudo -u zolaupd sh -c '
cd /home/zolaupd;
mkdir /home/zolaupd/.ssh;
echo -n "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIP1OJJM8g/1ffxDjN31XKEfGmrYaW03lwpyTa1UGWqVx
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF6R6XK0IiuAKxVKvSABm4m9bfOlvfJcMvTpjenuXUPv" > /home/zolaupd/.ssh/authorized_keys
chmod 700 .ssh/
chmod 600 .ssh/authorized_keys
'
# Create a user for RFQ hooks service
useradd -m rfqserver
cp runrfq.sh /home/rfqserver/
cp mail.secret /home/rfqserver/
chown rfqserver /home/rfqserver/runrfq.sh
chmod +x /home/rfqserver/runrfq.sh
chown rfqserver /home/rfqserver/mail.secret
sudo -u rfqserver sh -c '
cd /home/rfqserver;
git clone https://git.m-labs.hk/M-Labs/web2019.git;
cd web2019;
python3 -m venv ./venv;
source venv/bin/activate;
pip install -r requirements.txt;
'
cp rfq.service /etc/systemd/system/
# Automate port forwarding rules creation
cp gretun.sh /root/gretun.sh
cp gretun_down.sh /root/gretun_down.sh
chmod u+x /root/gretun.sh
chmod u+x /root/gretun_down.sh
cp gretun.service /etc/systemd/system/
# Enable custom services
systemctl daemon-reload
systemctl enable rfq.service --now
systemctl enable gretun.service --now
# Setup basic firewall rules
ufw default deny
ufw default allow outgoing
ufw allow from 94.190.212.123
ufw allow from 2001:470:f891:1::/64
ufw allow from 202.77.7.238
ufw allow from 2001:470:18:390::2
ufw allow "Nginx HTTP"
ufw allow "Nginx HTTPS"
ufw limit OpenSSH
ufw allow 25/tcp
ufw allow 587/tcp
ufw limit 500,4500/udp
ufw route allow in on gre1 out on eth0
ufw allow from 10.47.3.0/31
ufw show added
ufw enable
```