Kerberos
THEORY
CLOCK ERROR
[-] Got error while trying to request TGT: Kerberos SessionError: KRB_AP_ERR_SKEW(Clock skew too great)
It's very common (at least in HTB Boxes) error because of time zone difference timestamp header in authentication packets is getting to big. So the fix is time sync with server
Stop default automatic time sync
sudo systemctl stop systemd-timesyncd
Sync time with server
sudo ntpdate 13.13.13.13
Change time back
timedatectl set-ntp 1
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