c:\vcpkg>vcpkg.exe install tiff
-- CURRENT_INSTALLED_DIR=C:/vcpkg/installed/x86-windows
-- DOWNLOADS=C:/vcpkg/downloads
-- CURRENT_PACKAGES_DIR=C:/vcpkg/packages/tiff_x86-windows
-- CURRENT_BUILDTREES_DIR=C:/vcpkg/buildtrees/tiff
-- CURRENT_PORT_DIR=c:/vcpkg/ports/tiff/.
-- Downloading ftp://ftp.remotesensing.org/pub/libtiff/tiff-4.0.6.tar.gz
CMake Error at scripts/cmake/vcpkg_download_distfile.cmake:17 (file):
file DOWNLOAD HASH mismatch

for file: [C:/vcpkg/downloads/tiff-4.0.6.tar.gz]
  expected hash: [d1d2e940dea0b5ad435f21f03d96dd72]
    actual hash: [d41d8cd98f00b204e9800998ecf8427e]
         status: [6;"Couldn't resolve host name"]

Call Stack (most recent call first):
ports/tiff/portfile.cmake:2 (vcpkg_download_distfile)
scripts/ports.cmake:84 (include)

Error: build command failed