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DarkSideOfTheQ_'s avatar
DarkSideOfTheQ_
Icon for Nimbostratus rankNimbostratus
Nov 20, 2008

Virtual Server multiple service ports

Hello,     I am new to F5 devices and load balancers in general, only having limited exposure to some Foundry devices until now. I am curious about what I've read and seen thus far about cr...
config
design
nitass's avatar
nitass
Icon for Employee rankEmployee
Aug 31, 2014

is it source port (client port) or destination port (virtual server port)? if it is destination, it is TCP::local_port.

when CLIENT_ACCEPTED { 
   Check if requested port is outside 18000 - 20999, 30000 - 30999 
  if { not ( [TCP::local_port] >= 18000 and [TCP::local_port] <= 20999 ) and 
       not ( [TCP::local_port] >= 30000 and [TCP::local_port] <= 30999 ) } {
     Drop request 
    drop 
  } 
}

TCP::local_port

https://devcentral.f5.com/wiki/iRules.tcp__local_port.ashx