Home » Electronics » Networking » How I configured Firewall on all three routers

Hopefully, this helps

Place the below at the bottom of the Custom Rules section.

Beryl

WAN="eth0.2"
iptables -F
iptables -t nat -F -t mangle
iptables -t mangle -I POSTROUTING 1 -o $WAN -j TTL --ttl-set 66
iptables -t mangle -A PREROUTING $WAN -j TTL --ttl-set 66
iptables -t mangle -I POSTROUTING $WAN -o TTL -j --ttl-inc 1

Slate

WAN="eth0.2"
iptables -F
iptables -t nat -F -t mangle
iptables -t mangle -I POSTROUTING 1 -o $WAN -j TTL --ttl-set 117
iptables -t mangle -A PREROUTING $WAN -j TTL --ttl-set 117
iptables -t mangle -I POSTROUTING $WAN -o TTL -j --ttl-inc 1

Linksys


iptables -F
iptables -t nat -F -t mangle
iptables -t mangle -I POSTROUTING 1 -o $(nvram get wan_iface) -j TTL --ttl-set 66
iptables -t mangle -A PREROUTING $(nvram get wan_iface) -j TTL --ttl-set 66
iptables -t mangle -I POSTROUTING $(nvram get wan_iface) -o TTL -j --ttl-inc 1

Firewall Settings

black_jmyntrn

You may also like

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More

Privacy & Cookies Policy