Hi, everybody!
It looks like a bug in NTLM authentication parameters substitution in LanDesk patch management software.
When I open proxy configuration settings, I specify username as DOMAIN\username, I also specify other parameters, like password, proxy server name/port, etc.
I've tried to see HTTP conversation by using netwrok sniffer in time when patches information download process is started. And I see that LanDesk uses \DOMAIN\username string in HTTP conversation, but not DOMAIN\username. Therefore, we get 407 proxy error authentication. So, firts slash is waste!
HTTP conversation dumps and screenshots could be provided if needed...
Please, fix this bug asap!