Forum Discussion

jikky_ye_106175's avatar
jikky_ye_106175
Icon for Nimbostratus rankNimbostratus
Feb 14, 2007

If we modify one global variable at the same time, is it security?

I have a question about f5 global variable. If more connections modify one global variable at the same time, is it security in f5?Can we add protection in using it?

 

 

6 Replies

  • Colin_Walker_12's avatar
    Colin_Walker_12
    Historic F5 Account
    I'm not sure what you mean by "adding protection", but I would definitely recommend using different variables for your iRules if the variables need to be global. Having multiple rules reading/writing from the same variables can be tricky if they weren't designed to do so.

     

     

    Colin
  • If iRules is single threaded, would that mean global variable works in the context of the irule?
  • It get's more interesting when you deal with multiple TMM processes. :-)

     

     

  • global variables doesn't work then :'( , will be fixed in later release but don't ask me which ^^