Match packet's metainformation. Value must be in decimal format, except for the "l4proto" option. For l4proto it can be a lower case string, for example: tcp udp icmp, etc If the value is decimal for protocol or lproto, it'll use it as the code of that protocol.
None
Match packet's metainformation.
Value must be in decimal format, except for the "l4proto" option.
For l4proto it can be a lower case string, for example:
tcp
udp
icmp,
etc
If the value is decimal for protocol or lproto, it'll use it as the code of
that protocol.
符合封包的附加資訊。
值必須使用十進位格式，唯獨 "l4proto" 選項除外。
對於 l4proto，它可以是小寫字串，例如：
tcp
udp
icmp
等等
如果協議或 lproto 的值為十進位，它將用作該協議的代碼。