D. master router setting and 401 networking

## D. general router settings and 401 Connected to the Internet
The goal is ：（ General manager Ding VPN3080ti The server is changed to VPN2080 On the server computer ）

see 2080 On the server IP Address

1. see VPN2080 The server on the virtual machine of the server computer ip
command ：

ip a

perhaps

ipconfig

（ Use ipconfig This command looks at the computer ip when , You need to use the following command to install net-tools Tools can only be used after ipconfig see ip）

sudo yum install net-tools

2. This is 2080 The of this computer ip

Router main interface

One 、 Firewall configuration

（1） A firewall ： Port forwarding

1. Enter router configuration changes IP Address ：192.168.1.1（ Changchun knows the password of the router ）

2. Port forwarding main interface ：

3. find “ A firewall ”, Jump to “ Port forwarding ”.

4. Click Modify , All three files need to be modified .

5. Modify the first one

6. Choose here 2080 Virtual machine on this computer ip, Finally, click “ preservation & application ”

7. Modify the second

8. It is the same operation as modifying the first one

9. Modify the third

10. It is the same operation as modifying the first one

11.forward Other settings ：

12.Forward1701 Other settings ：

13.Forward4500 Other settings ：

（2） General Settings ：

1. General setting main interface

2.lan Set up


3.wan Set up

（3） Traffic rules

1. Main interface of traffic rules

2.Allow-DHCP-Renew


3.Allow-Ping


4.Allow-IGMP


5.Allow-DHCPv6

6.Allow-MLD


7.Allow-ICMPv6-Input


8.Allow-ICMPv6-Forward

9.Allow-IPSec-ESP

10.Allow-ISAKMP

（4） Custom rule

# This file is interpreted as shell script.
# Put your custom iptables rules here, they will
# be executed with each firewall (re-)start.

# Internal uci firewall chains are flushed and recreated on reload, so
# put custom rules into the root chains e.g. INPUT or FORWARD or into the
# special user chains, e.g. input_wan_rule or postrouting_lan_rule.