Web - Server

i got the bug in this challenge , and when i try to get the flag, i found the flag contains 30 characters , then i get :
flag is : moaz6*********7hw

when i try to use is as my answer , but failed ?
anybody could tell the the reason ?

Is that because contain the upper case and lower case ?

solved my problem

I have been stuck in this problem, any hints on how to solve it ?

Space at the end of your pass

Sorry, I meant i couldn’t solve the challenge to get the flag and needed a hint
thanks anyway

can any body give us a hint what should use obfuscate a URL or encoding ?