[root@cache ~]# iptables -t mangle -L
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination         
DIVERT     tcp  --  anywhere             anywhere            socket 
TPROXY     tcp  --  anywhere             anywhere            tcp dpt:http TPROXY redirect 0.0.0.0:3128 mark 0x1/0x1

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         

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination         

Chain DIVERT (1 references)
target     prot opt source               destination         
MARK       all  --  anywhere             anywhere            MARK set 0x1 
ACCEPT     all  --  anywhere             anywhere            
[root@cache ~]# iptables -t nat -L
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination         

Chain INPUT (policy ACCEPT)
target     prot opt source               destination         

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination         

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination         
[root@cache ~]# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination         
ACCEPT     all  --  anywhere             anywhere            
ACCEPT     gre  --  anywhere             anywhere            

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination