change host header

Question

I have two share point VS on my LTM one a legacy one which is more internal to the network and one with a wildcard for external access as well. Recently a migration took place on the sharepoint and now i need to redirect my old requests to the new URL. I am seing a 302 redirect from the server as well. &nbsp;
I wanted to write an IRULE to change all the host headers to get response from the new servers.&nbsp;
How should the rule be made ? Any ideas?&nbsp;

souravkayal_287 · Answer

when HTTP_RESPONSE {
if {[HTTP::status] == "302" } 
{
HTTP::header replace Location [string map {"url1" "url2"} [HTTP::header Location]]
    }
}&nbsp;
Will this work ? I need it for absolute URI &nbsp;

bigd_300005 · Answer

Check out LTM Policies in the GUI over an iRule. They process faster and it is easier for people who do not know how to write iRules.&nbsp;
https://devcentral.f5.com/articles/what-is-http-part-ix-policies-and-irules-29141&nbsp;

souravkayal_287 · Answer

I think Irule makes it more simpler ?&nbsp;

only1masterbla1 · Answer

If old VS is no longer available after migration, you should redirect with HTTP request. If you need to change URI, replace old with new.

Code

When HTTP_REQUEST { 301 (Permanent Redirect) HTTP::respond 301 Location https://[HTTP::host][HTTP::uri] }

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change host header

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