CVE-2024-3400: PAN-OS Command Injection Vulnerability in GlobalProtect Gateway. Learn More
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You can use the NETSTAT command to check the operation of local ports to see if they are configured properly and if they are receiving data.
You can access a wealth of helpful information about the NETSTAT utility from the Help utility on your Microsoft Windows workstation or server. This information can be found by clicking START | HELP | INDEX and by entering the keyword netstat.
Port
Protocol
NETSTAT - WinNT
NETSTAT - UNIX
21
FTP
netstat -an 1 | findstr 21
netstat -an 1 | grep 21
25
SMTP
netstat -an 1 | findstr 25
netstat -an 1 | grep 25
53
DNS (Note 1)
netstat -an 1 | findstr 53
Netstat -an 1 | grep 53
80
HTTP
netstat -an 1 | findstr 80
netstat -an 1 | grep 80
99
WebTrends Remote Reporting
netstat -an 1 | findstr 99
netstat -an 1 | grep 99
110
POP3
netstat -an 1 | findstr 110
netstat -an 1 | grep 110
137
WINS (Note 2)
netstat -an 1 | findstr 137
netstat -an 1 | grep 137
514
SYSLOG
netstat -an 1 | findstr 514
netstat -an 1 | grep 514
18184
OPSEC LEA
netstat -an 1 | findstr 18184
netstat -an 1 | grep 18184
Once you type the command, look for a response:
If the word "ESTABLISHED" appears, then the port is configured properly and it is receiving data.
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