Look up how to set up a local mirror.

Lyle Giese

On 6/11/25 10:58, Shulist, Victor (SSC/SPC) via clamav-users wrote:

Unclassified | Non classifié


Unclassified | Non classifié

Hello ClamAV support !

I was trying to download (using Edge browser) the *.cvd files from your site.  That failed, so I tried using power shell’s ‘invoke webrequest’  method.  That seemed to have trigged a security alert on your side.

Below is the command I issued.

After I tried using just Chrome browser, I saw a stackoverflow page that suggested you have to give a unique value for UserAgent.  Perhaps that is what triggered the alert?

We’re in a closed (air gapped) network here, which is why I had to try this method.

thanks

PS C:\Users\ShulistV> Invoke-WebRequest -Uri https://database.clamav.net/main.cvd -UserAgent 'CVDUPDATE/0 (43fde49b-905f-43c6-a51be1324cd23280)'

Invoke-WebRequest :

Please enable cookies.

Sorry, you have been blocked

You are unable to access clamav.net

Why have I been blocked?

This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. What can I do to resolve this?  You can email the site owner to let them know you were blocked. Please include what you were doing when this page came up and the Cloudflare Ray ID found

at the bottom of this page.

Cloudflare Ray ID: 94e236b5fb9aa2ab • Your IP: Click to reveal 198.103.167.20 •  Performance & security by Cloudflare

(function(){function d(){var b=a.getElementById("cf-footer-item-ip"),c=a.getElementById("cf-footer-ip-reveal");b&&"classList"in b&&(b.classList.remove("hidden"),c.addEventListener("click",function(){c.classList.add("hidden");a.getElementById("cf-footer-ip").classList.remove("hidden")}))}var a=document;document.addEventListener&&a.addEventListener("DOMContentLoaded",d)})(); window._cf_translation = {};

At line:1 char:1

+ Invoke-WebRequest -Uri https://database.clamav.net/main.cvd -UserAgen ...

+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

+ CategoryInfo          : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-WebRequest], WebException

+ FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommand

PS C:\Users\ShulistV>

Victor Shulist*(Consultant)*

Specialized Security Services

Connectivity and Security Services Branch (CSSB)

Shared Services Canada | Government of Canada

[email protected] <mailto:[email protected]>| Tel: 613-227-1600

Titre Consultant, Services de sécurité spécialisés

Direction générale des services de connectivité et de sécurité (DGSCS)

Services partagés Canada | Gouvernement du Canada

[email protected] <mailto:[email protected]>  | Tél: 613-227-1600

Victor Shulist*(Consultant)*

Specialized Security Services

Connectivity and Security Services Branch (CSSB)

Shared Services Canada | Government of Canada

[email protected] <mailto:[email protected]>| Tel: 613-227-1600

Titre Consultant, Services de sécurité spécialisés

Direction générale des services de connectivité et de sécurité (DGSCS)

Services partagés Canada | Gouvernement du Canada

[email protected] <mailto:[email protected]>  | Tél: 613-227-1600


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