Need Assistance in Configuring Varnish to Retain and Ignore Unique Parameter in Request URL while caching

[Uday Kumar]

> Does it need to be unique? can't we just get away with
> "aaaaaaaaaaaaaaaaaaaa"?
>

Our Requirements:
1. New Parameter should be *appended *to already existing parameters in
Query String. (should not replace entire query string)
2. Parameter Value *Must be Unique for each request* (ideally unique
randomness is preferred)
3. Allowed Characters are Alphanumeric which are *URL safe* [can be
lowercase, uppercase in case of alphabets]
4. Characters can be repeated in parameter value EX: Gn4lT*Y*gBgpPaRi6hw6*Y*S
(here, Y is repeated) But as mentioned above the value must be unique as a
whole.

Ex: Parameter value for 1st request can be "Gn4lT*Y*gBgpPaRi6hw6*Y*S",
                                        2nd request can be
"G34lTYgBgpPaRi6hyaaF" and so on


Thanks & Regards
Uday Kumar
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