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WireGuard server

  • 加密您的互联网连接以加强安全和隐私。
    • 防止客户端的数据泄露和流量欺骗。
  • 使用商业vpn服务绕过区域限制。
    • 规避客户端内容过滤和互联网审查。
  • 更方便地远程访问您的局域网服务(无需端口转发)。

Install the required packages. Specify the VPN server configuration parameters.

# Install packages
opkg update
opkg install wireguard-tools
 
# Configuration parameters
WG_IF="vpn"
WG_PORT="51820"
WG_ADDR="192.168.9.1/24"
WG_ADDR6="fdf1:e8a1:8d3f:9::1/64"

Generate and exchange keys between server and client.

# Generate keys
umask go=
wg genkey | tee wgserver.key | wg pubkey > wgserver.pub
wg genkey | tee wgclient.key | wg pubkey > wgclient.pub
wg genpsk > wgclient.psk
 
# Server private key
WG_KEY="$(cat wgserver.key)"
 
# Pre-shared key
WG_PSK="$(cat wgclient.psk)"
 
# Client public key
WG_PUB="$(cat wgclient.pub)"

Consider VPN network as private. Assign VPN interface to LAN zone to minimize firewall setup. Allow access to VPN server from WAN zone.

# Configure firewall
uci rename firewall.@zone[0]="lan"
uci rename firewall.@zone[1]="wan"
uci del_list firewall.lan.network="${WG_IF}"
uci add_list firewall.lan.network="${WG_IF}"
uci -q delete firewall.wg
uci set firewall.wg="rule"
uci set firewall.wg.name="Allow-WireGuard"
uci set firewall.wg.src="wan"
uci set firewall.wg.dest_port="${WG_PORT}"
uci set firewall.wg.proto="udp"
uci set firewall.wg.target="ACCEPT"
uci commit firewall
/etc/init.d/firewall restart

Configure VPN interface and peers.

# Configure network
uci -q delete network.${WG_IF}
uci set network.${WG_IF}="interface"
uci set network.${WG_IF}.proto="wireguard"
uci set network.${WG_IF}.private_key="${WG_KEY}"
uci set network.${WG_IF}.listen_port="${WG_PORT}"
uci add_list network.${WG_IF}.addresses="${WG_ADDR}"
uci add_list network.${WG_IF}.addresses="${WG_ADDR6}"
 
# Add VPN peers
uci -q delete network.wgclient
uci set network.wgclient="wireguard_${WG_IF}"
uci set network.wgclient.public_key="${WG_PUB}"
uci set network.wgclient.preshared_key="${WG_PSK}"
uci add_list network.wgclient.allowed_ips="${WG_ADDR%.*}.2/32"
uci add_list network.wgclient.allowed_ips="${WG_ADDR6%:*}:2/128"
uci commit network
/etc/init.d/network restart

建立 VPN 连接。 使用 traceroutetraceroute6 命令确认流量是否通过VPN网关.

traceroute openwrt.org
traceroute6 openwrt.org

检查客户端IP地址.

请确保客户端没有DNS泄露(DNS leak)发生。

如果使用IPv6,需将公共IPv6前缀委派给VPN网络作为默认配置。

Collect and analyze the following information.

# Restart services
/etc/init.d/log restart; /etc/init.d/network restart; sleep 10
 
# Log and status
logread -e vpn; netstat -l -n -p | grep -e "^udp\s.*\s-$"
 
# Runtime configuration
pgrep -f -a wg; wg show; wg showconf vpn
ip address show; ip route show table all
ip rule show; ip -6 rule show; nft list ruleset
 
# Persistent configuration
uci show network; uci show firewall; crontab -l
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  • Last modified: 2023/01/16 23:26
  • by vgaetera