Forum Discussion

bsm1970

Nimbostratus

Sep 09, 2019

Restrict access to virtual server during specified time

I'm wondering if there is a way in the F5 to restrict access to a virtual server during certain hours. For instance, if I wanted to only allow access during work hours (say, from 7am to 6pm on weekd...

Sep 10, 2019

try this:

when RULE_INIT {
    array set static::timerange {
        Sunday {"07:00" "18:00"}
        Monday {"07:00" "18:00"}
        Tuesday {"07:00" "18:00"}
        Wednesday {"07:00" "18:00"}
        Thursday {"07:00" "18:00"}
        Friday {}
        Saturday {}
    }
}
 
when HTTP_REQUEST {
    set now [clock seconds]
    set current_day [clock format $now -format {%A}]
    set start [lindex $static::timerange($current_day) 0]
    set end [lindex $static::timerange($current_day) 1]
    if {($start ne "") && ($end ne "") && ($now >= [clock scan $start]) && ($now < [clock scan $end])} {
        set denied 0
    } else {set denied 1}
    unset start end
 
    if { $denied } {
        HTTP::respond 200 content "<html><head><title>Not Authorised! Contact Administrator</title></head><body>Not Authorised! Contact Administrator...</body></html>"
    } else {pool POOL_443}
    unset denied
}

bsm1970

Nimbostratus

Help me understand this. Because it looks like you're telling it to allow traffic from 7am to 6pm on Saturday and Sunday, but maybe I'm reading it wrong.