Linux command
conntrack 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
List
conntrack -L
Example
conntrack -E
Example
conntrack -E -o timestamp
Example
conntrack -E -s ip_address
Delete
conntrack -D -s ip_address
说明
conntrack interacts with the Linux kernel's connection tracking system (conntrack). It allows viewing, searching, and modifying tracked network connections used by stateful firewalling.
参数
- -L, --dump
- List all currently tracked connections
- -E, --event
- Display real-time connection events
- -D, --delete
- Delete connections matching criteria
- -U, --update
- Update connections matching criteria
- -s, --orig-src _address_
- Filter by original source address
- -d, --orig-dst _address_
- Filter by original destination address
- -p, --proto _protocol_
- Filter by protocol (tcp, udp, icmp)
- -o, --output _type_
- Output format (extended, timestamp, xml)
- --src-nat
- Filter for SNAT connections
- --dst-nat
- Filter for DNAT connections
FAQ
What is the conntrack command used for?
conntrack interacts with the Linux kernel's connection tracking system (conntrack). It allows viewing, searching, and modifying tracked network connections used by stateful firewalling.
How do I run a basic conntrack example?
Run `conntrack -L` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -L, --dump do in conntrack?
List all currently tracked connections