Avamar：如何使用 edit-firewall-rules.sh 添加或删除自定义 Avamar 防火墙规则（v7.3 及更高版本）

• 是随 v7.3 提供的标准 Avamar 防火墙 RPM 的一部分。
• 用户可以添加或删除自己的自定义 iptables 规则。
• 自定义规则在 Avamar 版本升级后仍然存在。
• 自定义规则在防火墙软件包更新后仍然存在。

• edit-firewall-rules.sh。
• manage-custom-rules.sh。
• avfwb_custom_config.txt。

• 此文件是一个交互式脚本，它接受用户输入并将其格式化为 iptables 格式。
• 此文件以客户友好的方式列出信息。

• 此文件是 edit-firewall-rules.sh 交互式脚本背后的引擎。
• 此文件基于配置文件中保存的自定义规则集创建 iptables 规则和命令。
• 此文件将重新启动 avfirewall 服务以应用新规则。

Choose an Action
----------------
1) Add a custom rule
2) Remove a custom rule
3) List Current Custom Rules
4) Exit
5) Save & Exit
Enter desired action:

Add a Custom Rule
The user can make selections for iptables fields to construct the rule they wish to add.

• 规则类型：IPv4 或 IPv6。
• 链：Output、Input、Logdrop 或 Forward。
• Protocol：TCP、UDP、ICMP。
• 源 IP。
• 源端口。
• 目标 IP。
• 目标端口。
• 目标：Accept、Reject、Drop、Reject。
• 节点类型：全部、数据、实用程序。

10.10.10.10||10.10.10.11||tcp||ACCEPT|OUTPUT|ALL

Add Rule Example

Select the type of firewall rule to add

Firewall Rule Types
-------------------
1) IPv4 Rule
2) IPv6 Rule
Enter Firewall Rule Type:

Protocol
--------
1) TCP
2) UDP
3) ICMP
Enter Protocol:
Select the desired CHAIN

Firewall Chains
---------------
1) OUTPUT
2) INPUT
3) LOGDROP
4) FORWARD
Select Chain:
Select the Protocol type to be used

Protocol
--------
1) TCP
2) UDP
3) ICMP
Enter Protocol:

Enter source IP (leave blank for none):
Enter source port (leave blank for none):
Enter destination IP (leave blank for none):
Enter destination port (leave blank for none):
Select the desired target action

Targets
-------
1) ACCEPT
2) REJECT
3) DROP
4) LOGDROP
Select Target:

Select which type of node this new rule will be applied to

Node Types
----------
1) ALL
2) DATA
3) UTILITY
Select node type to apply rule to:

The script will ask you to confirm that you want to add the new rule to the avfwb_custom_config.txt file

Add rule ||||tcp||ACCEPT|OUTPUT|ALL to file? (Y/N): y
Adding ||||tcp||ACCEPT|OUTPUT|ALL to file...

The script asks if you wish to add another rule or return to the main menu

Add another rule? (Y/N):
Return to main menu? (Y/N):

Saving and applying rules

Choose an Action
----------------
1) Add a custom rule
2) Remove a custom rule
3) List Current Custom Rules
4) Exit
5) Save & Exit
Enter desired action: 5

Rules have been saved to /usr/local/avamar/lib/admin/security/avfwb_custom_config.txt
Save and execute rules now? (Y/N):

Choosing Y when asked to save and execute will propagate the config file to all 
nodes, applies the rules accordingly and restarts the avfirewall service.



Removing a rule 

 Choose an Action
----------------
1) Add a custom rule
2) Remove a custom rule
3) List Current Custom Rules
4) Exit
5) Save & Exit
Enter desired action: 2


Select the rule to remove.  The script will confirm "Line xxx has been removed from configuration file"

Return to the main menu.  If we select option 3 "List Current Custom Rules" we will see the list of rules and a list of 'Changes Pending'.



Pending changes will be executed when exiting the script and selecting Y to "Save and execute rules now".

 Rules have been saved to /usr/local/avamar/lib/admin/security/avfwb_custom_config.txt
Save and execute rules now? (Y/N):

admin@util:~/>: ssh-add -l
Could not open a connection to your authentication agent.   <-- keys not loaded
admin@util:~/>: ssh-agent bash
admin@util:~/>: ssh-add ~/.ssh/dpnid
Identity added: .ssh/dpnid (.ssh/dpnid)
admin@util:~/>: ssh-add -l
1024 1b:af:88:95:7a:d8:a9:16:fb:cb:9e:0e:49:32:a3:cd [MD5] .ssh/dpnid (DSA)  <-- keys loaded