Zitat von mpachmann am 6. Oktober 2025, 10:45 Uhr

https://docs.sophos.com/nsg/sophos-firewall/19.0/Help/en-us/webhelp/onlinehelp/AdministratorHelp/Diagnostics/PacketCapture/DiagnosticsPacketCaptureFilterConfigure/index.html#bpf-string-parameters

 

BPF string parameters

Object	Example
Specific host	host 10.10.10.1
Specific source host	src host 10.10.10.1
Specific destination host	dst host 10.10.10.1
Specific network	net 10.10.10.0
Specific source network	src net 10.10.10.0
Specific destination network	dst net 10.10.10.0
Specific port	port 20 or port 21
Specific source port	src port 21
Specific destination port	dst port 21
Specific host for the particular port	host 10.10.10.1 and port 21
the specific host for all the ports except SSH	host 10.10.10.1 and port not 22
Specific protocol	proto ICMP, proto UDP, proto TCP