input_network_security 插件

简介

input_network_security插件可以实现利用ebpf探针采集网络安全相关动作。

版本

Dev

版本说明

• 推荐版本：LoongCollector v3.1.4 及以上

配置参数

参数	类型	是否必填	默认值	说明
Type	string	是	/	插件类型。固定为input_network_security
ProbeConfig	object	否	ProbeConfig 包含默认为空的 Filter	ProbeConfig 内部包含 Filter，Filter 内部是或的关系
ProbeConfig.AddrFilter	object	否	/	网络地址过滤器
ProbeConfig.AddrFilter.DestAddrList	[]string	否	空	目的IP地址白名单，不填表示不进行过滤
ProbeConfig.AddrFilter.DestPortList	[]uint	否	空	目的端口白名单，不填表示不进行过滤
ProbeConfig.AddrFilter.DestAddrBlackList	[]string	否	空	目的IP地址黑名单，不填表示不进行过滤
ProbeConfig.AddrFilter.DestPortBlackList	[]uint	否	空	目的端口黑名单，不填表示不进行过滤
ProbeConfig.AddrFilter.SourceAddrList	[]string	否	空	源IP地址白名单，不填表示不进行过滤
ProbeConfig.AddrFilter.SourcePortList	[]uint	否	空	源端口白名单，不填表示不进行过滤
ProbeConfig.AddrFilter.SourceAddrBlackList	[]string	否	空	源IP地址黑名单，不填表示不进行过滤
ProbeConfig.AddrFilter.SourcePortBlackList	[]uint	否	空	源端口黑名单，不填表示不进行过滤

输出格式

字段	类型	说明
call_name	string	系统调用函数名。可选值：tcp_connect（连接建立）、tcp_close（连接断开）、tcp_sendmsg（发送数据）等
net.saddr	string	源IP
net.daddr	string	目标IP
net.sport	string	源port
net.dport	string	目标port
net.status	string	状态：TCP_SYN_SENT、TCP_ESTABLISHED
net.bytes	string	发送的真实的字节数，仅tcp_sendmsg有效
net.protocol	string	网络协议，如 TCP 或 UDP。

其他字段参见 input_process_security 插件。

样例

采集网络安全事件

• 输入

curl www.alibabacloud.com

• 采集配置

enable: true
inputs:
  - Type: input_network_security
    ProbeConfig:
      AddrFilter: 
        DestAddrList: 
          - "47.74.138.0/24"
          - "47.241.205.0/24"
        DestPortList: 
          - 80
          - 443
        SourceAddrBlackList: 
          - "127.0.0.1/8"
        SourcePortBlackList: 
          - 9300
flushers:
  - Type: flusher_stdout
    OnlyStdout: true
    Tags: true

• 输出

{
    "exec_id": "djQzYzExMjA0LnNxYS5uYTEzMTozNDY1MzQzNDQxMjM2MDI3MDo3NTQyNDU=",
    "pid": "754245",
    "uid": "3000",
    "user": "user",
    "binary": "/usr/bin/curl",
    "arguments": "www.alibabacloud.com",
    "cwd": "/workspace/loongcollector_community_test",
    "ktime": "34653434412360270",
    "cap.permitted": "",
    "cap.effective": "",
    "cap.inheritable": "",
    "parent.exec_id": "djQzYzExMjA0LnNxYS5uYTEzMTozNDYxODUyNzQ4MDAwMDAwMDozNDE2MTM2",
    "parent.pid": "3416136",
    "parent.uid": "3000",
    "parent.user": "user",
    "parent.binary": "/usr/bin/bash",
    "parent.arguments": "",
    "parent.cwd": "/workspace/loongcollector_community_test",
    "parent.ktime": "34618527480000000",
    "network.protocol": "TCP",
    "family": "AF_INET",
    "network.saddr": "100.82.116.88",
    "network.daddr": "47.74.138.67",
    "network.sport": "44332",
    "network.dport": "80",
    "netns": "4026532058",
    "call_name": "tcp_connect",
    "event_type": "kprobe",
    "__time__": "1758715178"
}

{
    "exec_id": "djQzYzExMjA0LnNxYS5uYTEzMTozNDY1MzQzNDQxMjM2MDI3MDo3NTQyNDU=",
    "pid": "754245",
    "uid": "3000",
    "user": "user",
    "binary": "/usr/bin/curl",
    "arguments": "www.alibabacloud.com",
    "cwd": "/workspace/loongcollector_community_test",
    "ktime": "34653434412360270",
    "cap.permitted": "",
    "cap.effective": "",
    "cap.inheritable": "",
    "parent.exec_id": "djQzYzExMjA0LnNxYS5uYTEzMTozNDYxODUyNzQ4MDAwMDAwMDozNDE2MTM2",
    "parent.pid": "3416136",
    "parent.uid": "3000",
    "parent.user": "user",
    "parent.binary": "/usr/bin/bash",
    "parent.arguments": "",
    "parent.cwd": "/workspace/loongcollector_community_test",
    "parent.ktime": "34618527480000000",
    "network.protocol": "TCP",
    "family": "AF_INET",
    "network.saddr": "100.82.116.88",
    "network.daddr": "47.74.138.67",
    "network.sport": "44332",
    "network.dport": "80",
    "netns": "4026532058",
    "call_name": "tcp_sendmsg",
    "event_type": "kprobe",
    "__time__": "1758715178"
}

{
    "exec_id": "djQzYzExMjA0LnNxYS5uYTEzMTozNDY1MzQzNDQxMjM2MDI3MDo3NTQyNDU=",
    "pid": "754245",
    "uid": "3000",
    "user": "user",
    "binary": "/usr/bin/curl",
    "arguments": "www.alibabacloud.com",
    "cwd": "/workspace/loongcollector_community_test",
    "ktime": "34653434412360270",
    "cap.permitted": "",
    "cap.effective": "",
    "cap.inheritable": "",
    "parent.exec_id": "djQzYzExMjA0LnNxYS5uYTEzMTozNDYxODUyNzQ4MDAwMDAwMDozNDE2MTM2",
    "parent.pid": "3416136",
    "parent.uid": "3000",
    "parent.user": "user",
    "parent.binary": "/usr/bin/bash",
    "parent.arguments": "",
    "parent.cwd": "/workspace/loongcollector_community_test",
    "parent.ktime": "34618527480000000",
    "network.protocol": "TCP",
    "family": "AF_INET",
    "network.saddr": "100.82.116.88",
    "network.daddr": "47.74.138.67",
    "network.sport": "44332",
    "network.dport": "80",
    "netns": "4026532058",
    "call_name": "tcp_close",
    "event_type": "kprobe",
    "__time__": "1758715178"
}