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How to Force the Cyren AV to Download Complete Update Subsets

03/26/2020 1,046 People found this article helpful 98,022 Views

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    Description

    You may want to download a complete new set of update files for the Cyren AV if you see any alerts relating to the Cyren Anti-Virus Solution (av_cy) under Manage| Server | Monitoring | View Alerts.

    Cause

    This can be caused by network issues, or by an incorrect update download file being pushed out to the ES Appliance.

    Resolution

    If you get a cyren alert as below,


    Cyren alert :


    ---------------------------------------------------------------- 
    ~~ SonicWALL Email Security Alert (9.0.5.2075) ~~ 
    ---------------------------------------------------------------- 

    [Summary: Anti-Virus engine (av_cy) Failed to download 
    Anti-Virus definitions files.] 

    Details: 
    Host Name: sonicwall.com
    Description: An attempt to fetch remote data 
    https://av.es.global.sonicwall.com/cyren/5-2/Linux/201805302150/antivir?sn=1234567890&version=9.0.5.2075 to local 
    storage 
    /opt/emailsecurity/PluginDefault/av_cy/dat/201805302150 
    failed. However, the Anti-Virus engine will continue 
    to provide virus protection with last known good DAT 
    (virus definitions) folder 
    /opt/emailsecurity/PluginDefault/av_cy/dat/201805292338. 

    Time Stamp: 
    Local Time: Thu May 31 08:07:31 2018 
    GMT: Thu May 31 05:07:31 2018


    Step 1 : Make sure you have sonicwall datacenter FQDN excluded on the firewall from all security services like GAV( Gateway Anti-Virus) , Anti-spywre , IPS , IDS on port 80.


    Below are the datacenter FQDN :


    eg-update.es.global.sonicwall.com 
    plugindefault.es.global.sonicwall.com 
    config.es.global.sonicwall.com 
    options.es.global.sonicwall.com 
    av.es.global.sonicwall.com 
    av-updates.mailfrontier.net 


    Step 2 : Force update cyren via putty


    ⦁ Open a SSH client. For example PUTTY
    ⦁ Input IP address of your SonicWall Email Security appliance , e.g.192.168.168.169
    ⦁ Press enter and you will see “login as”, login as “snwlcli”(screenshot below)
    ⦁ At Login prompt, type the Admin Username, e.g. admin, and press enter (Note: In some cases when the Admin username is changed, login will fail. In this case please change it back to admin, by going to Manage | Server | Administration page in the GUI)
    ⦁ At Password prompt, type the same password that you use for the GUI login and press enter
    ⦁ Now run the following command: Snwlcli> forcecyrenupdate

    Image

    NOTE: Please give the appliance time to complete the download of the .dat file, this can vary depending on factors such as connection speed.

     

    Related Articles

    • SonicWall HES IP address blocklisted by UCEProtect or Backscatter
    • How to add O365 connector for domain specific routing
    • SonicWall Email Security on Hyper-V Platform

    Categories

    • Email Security > Email Security Appliance
    • Email Security > Email Security Software
    • Email Security > Hosted Email Security

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