port

Windows Check If Port is Listening

March 3, 2022

Here’s how to check if port is listening on a Windows Server.

netstat -ano | find "443" | find "LISTEN"
tasklist /fi "PID eq "443"

Powershell Test Network Connection

June 15, 2020

Here’s the command to test a network connection in Powershell.

C:> Test-NetConnection -ComputerName server -Port 443

Result:

ComputerName     : server
RemoteAddress    : 10.0.0.5
RemotePort       : 443
InterfaceAlias   : Ethernet 0
SourceAddress    : 10.1.1.34
TcpTestSucceeded : True

Splunk Search for Tanium Clients

February 24, 2020

Here’s the Splunk search for Tanium clients reporting to the Tanium server.

"data.jsonPayload.rule_details.direction"=EGRESS
"data.jsonPayload.connection.src_ip"="10.0.0.1"
"data.jsonPayload.connection.dest_port"=17472