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Amr_Ali's avatar
Amr_Ali
Icon for MVP rankMVP
Sep 15, 2023
Solved

configure custom log profile for F5 WAF

dears, I configured a custom log profile on F5 WAF, to send the logs for waf policy to Siem solution, but I have an issue as still no logs appear on Seim solution, how can I solve this issue 
F5 WAF
security
  • Daniel_Wolf's avatar
    Daniel_Wolf
    Sep 18, 2023

    Hi Amr_Ali,

    try this (replace the IP with the IP of your SIEM solution):

     

    tcpdump -nni 0.0:nnnp host 192.168.100.100 and udp port 514

     

    If something goes from your BIG-IP to your SIEM, you will see it with the tcpdump. And you can confirm the issue is not on your side.

    KR
    Daniel

    btw. telnet is TCP, syslog is UDP. telnet is not a good test.

Amr_Ali's avatar
Amr_Ali
Icon for MVP rankMVP

sure Mohamed, i checked the route and made telnet on port 514 to check the connectivity, but still there was no log appearance on Siem solution, 

I just need to confirm that the issue is not From the F5 waf side, 

 

Daniel_Wolf's avatar
Daniel_Wolf
Icon for MVP rankMVP
Sep 18, 2023

Hi Amr_Ali,

try this (replace the IP with the IP of your SIEM solution):

 

tcpdump -nni 0.0:nnnp host 192.168.100.100 and udp port 514

 

If something goes from your BIG-IP to your SIEM, you will see it with the tcpdump. And you can confirm the issue is not on your side.

KR
Daniel

btw. telnet is TCP, syslog is UDP. telnet is not a good test.