Recettes informatiques

Linux Router

Posted by on 09 Jul 2025 in Debian

Wlan configuration

Shell

echo >>/etc/network/interfaces <<EOF
# wifi
rename wlx14cc201f73d3=wlan0
auto wlan0
allow-hotplug wlan0
iface wlan0 inet dhcp
    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
EOF
wpa_passphrase Softndesign2 P455W0rd >>/etc/wpa_supplicant/wpa_supplicant.conf

Kernel configuration

Shell

sysctl -w net.ipv4.ip_forward=1
sysctl -w net.ipv6.conf.all.forwarding=1

Firewalling rules

Shell

iptables -P FORWARD ACCEPT
iptables --table nat -A POSTROUTING -o wlan0 -j MASQUERADE
iptables-save >/var/lib/iptables/active

DHCP configuration

Shell

sed -i 's/^\(option routers 192.168.0\)\..*/\1.3;/' /etc/dhcp/dhcpd.conf
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