brillo emulatorで中を覗いてみよう iptable編

前回 psの結果を見てみましたので、IOTというのもあり、iptableの中を見てみましょう

iptable --listの結果

# iptables --list                                                              
Chain INPUT (policy DROP)
target     prot opt source               destination         
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:https
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:http
ACCEPT     udp  --  anywhere             anywhere             udp spts:bootps:bootpc dpts:bootps:bootpc
ACCEPT     all  --  anywhere             anywhere             state RELATED,ESTABLISHED
ACCEPT     all  --  anywhere             anywhere            
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:5555
ACCEPT     icmp --  anywhere             anywhere            
ACCEPT     udp  --  anywhere             224.0.0.251          udp dpt:mdns

Chain FORWARD (policy DROP)
target     prot opt source               destination         

Chain OUTPUT (policy DROP)
target     prot opt source               destination         
ACCEPT     udp  --  anywhere             anywhere             udp spts:bootps:bootpc dpts:bootps:bootpc
ACCEPT     all  --  anywhere             anywhere             state NEW,RELATED,ESTABLISHED
ACCEPT     all  --  anywhere             anywhere            

つづく。