$ uname -a
Linux * 4.13.10-1-ARCH #1 SMP Fri Oct 27 19:00:27 MDT 2017 aarch64 GNU/Linux
$ ip addr
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether b8:27:eb:6a:7f:9c brd ff:ff:ff:ff:ff:ff
inet 192.168.1.108/24 brd 192.168.1.255 scope global dynamic eth0
valid_lft 35995252sec preferred_lft 35995252sec
inet6 fe80::ba27:ebff:fe6a:7f9c/64 scope link
valid_lft forever preferred_lft forever
4: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1492 qdisc fq_codel state UNKNOWN group default qlen 3
link/ppp
inet 114.*.*.* peer 168.95.98.254/32 scope global ppp0
valid_lft forever preferred_lft forever
$ iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination