preseed error when contacting security.debian.org

[Kash <melbogia@gmail.com>]

Hi, I am installing debian using preseed and I get this error duriing
apt configuration stage

 âââââââââââââââââ⤠[!!] Configure the package manager âââââââââââââââââââ
   â                                                                       â
  ââ                       Cannot access repository                        â
  ââ The repository on security.debian.org couldn't be accessed, so its    â
  ââ updates will not be made available to you at this time. You should    â
  ââ investigate this later.                                               â
  ââ                                                                       â
  ââ Commented out entries for security.debian.org have been added to the  â
  ââ /etc/apt/sources.list file.                                           â
  ââ                                                                       â
  ââ     <Go Back>                                          <Continue>     â
   â                                                                       â
   âââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ


However, I can ping security.debian.org from another terminal

chroot /target
ping security.debian.org
#PING security.debian.org (128.101.240.212) 56(84) bytes of data
64 bytes from saens.debian.org (128.101.240.212): icmp_req=1 ttyl=47
time=47.1 ms
64 bytes from saens.debian.org (128.101.240.212): icmp_req=2 ttyl=47
time=48.3 ms

What could be the problem and how can I fix this error?