SANGFOR Updater Cannot connect to VDC

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Issue Description

SANGFOR Updater Cannot connect to VDC

Handling Process

1. PC can ping the management IP of VDC normally.
2. PC can login VDC WebUI.
3. The PC cannot access the 51111 port of the VDC (With the telnet command)

Root Cause

VDC closed port 51111 by default.

Solution

Go to System>Control Options enable maintenance.

Suggestions

The port 51111 will be automatically closed after the maintenance mode is enabled for a period of time. When we need to upgrade, we need to disable and then enable maintenance.
Faisal Posted 09 Dec 2020 08:54
  
Thank you very much for the information ...
Faisal Posted 09 Dec 2020 08:55
  
Nice article ...
Faisal Posted 09 Dec 2020 08:56
  
Great info ...
Ellechar Lv4Posted 07 Jan 2021 09:15
  
Very nice information
Muhammad Bilal Lv4Posted 16 Jan 2021 02:21
  
Thanks for sharing information
Ellechar Lv4Posted 15 Feb 2021 09:51
  
Very Nice Infooooooooooooo
Faisal Posted 02 Mar 2021 10:21
  
Very informative …
Faisal Posted 19 May 2021 10:49
  
Nice guidance ...
Raza Islam Lv3Posted 01 Aug 2022 20:39
  
Very informative

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Doc ID: 4160
Author: sangfor40480
Updated: 2020-12-07 19:11
Version: