Wireless Joint

Something I have been experimenting with that @slacker shared is custom firewall below: #start naive newb fw iptables -t mangle -I POSTROUTING -o wwan0 -j TTL --ttl-set 65 iptables -t mangle -I PREROUTING -i wwan0 -j TTL --ttl-set 65 ip6tables -t mangle -A POSTROUTING -o wwan0 -j HL --hl-set 65 ip6t...

When you say IPv4 address, do you men the LAN side address? As for the external IP, cellular providers use carrier-grade NAT. You are being given a private IP address on the WAN side of that modem -- Private inside T-mobile's network. When you get your external IP by going to a website that tells yo...