F5 is upgrading its customer support chat feature on My.F5.com. Chat support will be unavailable from 6am-10am PST on 1/20/26. Refer to K000159584 for details.

Forum Discussion

grmanikantan's avatar
grmanikantan
Icon for Altostratus rankAltostratus
Aug 10, 2023

Need help on irule: External content for internal request in F5

I have a requirement and trying to achive through irule but some how not working as expected.. Requirement: Client to access Internal URL : https://www.abcd.com F5 to call the content from this e...
security
AubreyKingF5's avatar
AubreyKingF5
Icon for Moderator rankModerator
Aug 10, 2023

Have you used log statements to verify expected variable inputs in each section of the iRule? That is the first thing I'd do.

  • grmanikantan's avatar
    grmanikantan
    Icon for Altostratus rankAltostratus
    Aug 10, 2023

    Hi AubreyKing,

    Thanks for your response.

    While updating this irule, i got below messages...

    01070151:3: Rule [/Common/irule-test] error: /Common/irule-test:4: error: [undefined procedure: internal_call_and_respond][internal_call_and_respond]
    /Common/irule-test:7: error: [command is not valid in the current scope][proc internal_call_and_respond {} {
    set backend_response [HTTP::get "https://www.myexternal.com"]
    set response_status [HTTP::status]
    set response_headers [HTTP::header]
    }]

     

    • Paulius's avatar
      Paulius
      Icon for MVP rankMVP
      Aug 10, 2023

      grmanikantan Based on the log it seems like the subroutine isn't configured properly. Before we go any further with this, what's the requirement that is forcing you to have to take care of this on the F5?

      • grmanikantan's avatar
        grmanikantan
        Icon for Altostratus rankAltostratus
        Aug 11, 2023

        Hi Paul, My requirement is simple. There is one internal URL which is configured in F5 VS, if user hit that URL ( https://www.abcd.com ) F5 should be respond with external content (webpages) which is available in the outside of F5 (https://www.myexternal.com). I'm trying various methods subroutine is one of that...