Forum Discussion

neeeewbie's avatar
neeeewbie
Icon for MVP rankMVP
Dec 16, 2022

Is it possible to block a specific log with words in local log?

Is it possible to block a specific log with words in local log? After API communication connection, certain logs are being generated without service ID. Is it possible to block log creation even wi...
application delivery
  • Josiah's avatar
    Josiah
    Dec 17, 2022

    If you are talking about logs which use syslog, then yes, you can, just use a syslog filter

    e.g.

    filter remove_a_line{ not match("MATCH-STRING-TO-DROP"); }; 
log { source(src); filter(remove_a_line); destination(/var/log/messages); };

    There are other types of logs in F5 products, so if you are talking about something else you might need to be more specific.

Josiah's avatar
Josiah
Icon for Employee rankEmployee
Dec 17, 2022

If you are talking about logs which use syslog, then yes, you can, just use a syslog filter

e.g.

filter remove_a_line{ not match("MATCH-STRING-TO-DROP"); }; 
log { source(src); filter(remove_a_line); destination(/var/log/messages); };

There are other types of logs in F5 products, so if you are talking about something else you might need to be more specific.