The file charmm36-jul2022.ff.tgz cannot be downloaded

GROMACS version: 2022.5-Ubuntu_2022.5_2ubuntu1
GROMACS modification: No

I’ve attempted to download charmm36-jul2022.ff.tgz from mackerell.umaryland.edu, but the connection to the page is failing:

–2024-08-23 08:01:46-- (try: 3) https://mackerell.umaryland.edu/download.php?filename=CHARMM_ff_params_files/charmm36-jul2022.ff.tgz
Connecting to mackerell.umaryland.edu (mackerell.umaryland.edu)|134.192.35.52|:443…

It works from here. So, there might be something on your local network or theirs that is blocking you.