RB2011UiAS-2HnD —— Default firewall and nat rules (v6.42.12)

角色

The following are the default firewall and nat rules for the version of 6.42.12 using the following commands:

For exporting the filter rules:

1. ip firewall filter export

複製代碼

.

For example the nat rules

1. ip firewall nat export

複製代碼

.

filter rules:

1. /ip firewall filter
   
2. add action=accept chain=input comment=\
   
3.     "defconf: accept established,related,untracked" connection-state=\
   
4.     established,related,untracked
   
5. add action=drop chain=input comment="defconf: drop invalid" connection-state=\
   
6.     invalid
   
7. add action=accept chain=input comment="defconf: accept ICMP" protocol=icmp
   
8. add action=drop chain=input comment="defconf: drop all not coming from LAN" \
   
9.     in-interface-list=!LAN
   
10. add action=accept chain=forward comment="defconf: accept in ipsec policy" \
    
11.     ipsec-policy=in,ipsec
    
12. add action=accept chain=forward comment="defconf: accept out ipsec policy" \
    
13.     ipsec-policy=out,ipsec
    
14. add action=fasttrack-connection chain=forward comment="defconf: fasttrack" \
    
15.     connection-state=established,related
    
16. add action=accept chain=forward comment=\
    
17.     "defconf: accept established,related, untracked" connection-state=\
    
18.     established,related,untracked
    
19. add action=drop chain=forward comment="defconf: drop invalid" connection-state=\
    
20.     invalid
    
21. add action=drop chain=forward comment=\
    
22.     "defconf:  drop all from WAN not DSTNATed" connection-nat-state=!dstnat \
    
23.     connection-state=new in-interface-list=WAN

複製代碼

.

nat rules:

1. /ip firewall nat
   
2. add action=masquerade chain=srcnat comment="defconf: masquerade" ipsec-policy=\
   
3.     out,none out-interface-list=WAN

複製代碼

.

There are no rules for mangle and raw.

vpn-learner

是否不同型号的Mikrotik router 的 default firewall rules 都不同的？我改了我以前的default rules 所以都不知是否一样？！

角色

真的不知道，估计应该差不多。

如果你要reset，建议你要在router附近做，不然reset完你就连不回去你的router。

CCR series default是没有rules的。

vpn-learner

回復 3# 角色


    我在官网找到以下 的default rules， 但是不了解跟楼上的default rules 功能上有什么不同？！

four basic firewall rules for mikrotik ros

[admin@MikroTik] /ip firewall filter> print
Flags: X - disabled, I - invalid, D - dynamic
0   ;;; default configuration
     chain=input action=accept protocol=icmp

1   ;;; default configuration
     chain=input action=accept connection-state=established

2   ;;; default configuration
     chain=input action=accept connection-state=related

3   ;;; default configuration
     chain=input action=drop in-interface=sfp1-gateway

4   ;;; default configuration
     chain=input action=drop in-interface=ether1-gateway

5   ;;; default configuration
     chain=input action=drop in-interface=ether2-gateway

[admin@MikroTik]

角色

你上面的default settings是很久以前的rules，基本功能都是一样的，但是多了一些东西，如fasttrack and ipsec，还有网络优化。