Wireshark · Wireshark-users: [Wireshark-users] Capture filter question

[Marco Zuppone <msz@xxxxxx>]

Hello,

I have a question about capture filters.
I noticed that the basic capture filter predefined in Wireshark to do not capture arp and DNS requests is defined in this way:
not arp and port not 53

What is the difference with: not arp and not port 53?

Thanks in advance
 Marco - StockTrader