[clamav-users] freshclam error - ^downloadFile: Unexpected response (502) ...Can't Download CVD

[Micah Snyder (micasnyd)]

An HTTP 502 error is a "bad gateway error" or "proxy error". I suspect either the proxy settings are misconfigured, or the proxy settings in freshclam.conf are misconfigured.

Ganesh, did you say you're using a proxy and a private mirror?  What sort of proxy are you using?  Maybe if you could share some (anonymized) configuration options (at least the freshclam.conf options) someone can spot what is wrong.

Regards,
Micah

Micah Snyder
ClamAV Development
Talos
Cisco Systems, Inc.
________________________________
From: clamav-users <clamav-users-bounces at lists.clamav.net> on behalf of Ganesh Kachare, Vodafone (External) via clamav-users <clamav-users at lists.clamav.net>
Sent: Monday, August 8, 2022 3:51 AM
To: ClamAV users ML <clamav-users at lists.clamav.net>
Cc: Ganesh Kachare, Vodafone (External) <ganesh.kachare at vodafone.com>
Subject: [clamav-users] freshclam error - ^downloadFile: Unexpected response (502) ...Can't Download CVD


Hi Team,



I am trying to download the clamav updates from private local mirror on my custom clamav alpine docker image and  I am keep getting ^downloadFile: Unexpected response (502) error from freshclam.



Its not able to download main.cvd, daily.cvd, bytecode.cvd and eventually my pod fails after maximum retry. I did tried increasing timeouts and disabling it in freshclam.conf file but it did not work.



I have validated my proxy and private mirror server and they are able to connect with alpine clamav docker image.



Does anyone face similar issue.. I am using clamav and freshclam v0.104.3-r0 on alpine 3.16



Logs ---



Host: localmirror.clamavdatabase.com

user-agent: ClamAV/0.104.3 (OS: Linux, ARCH: x86_64, CPU: x86_64, UUID: a37614fe-f1f8-4c49-a7a5-e0330ea8b945)

accept: */*

connection: close



* old SSL session ID is stale, removing

< HTTP/2 502

< content-type: text/html; charset=UTF-8

< referrer-policy: no-referrer

< content-length: 332

< date: Mon, 08 Aug 2022 10:16:27 GMT

< alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000

<

Time:    9.0s, ETA:    0.0s [========================>]       332B/332B

* Connection #0 to host localmirror.clamavdatabase.com.com left intact

Mon Aug  8 10:16:27 2022 -> ^downloadFile: Unexpected response (502) from https://localmirror.clamavdatabase.com/daily.cvd

Mon Aug  8 10:16:27 2022 -> ^Can't download daily.cvd from https:// localmirror.clamavdatabase.com/daily.cvd<https://%20localmirror.clamavdatabase.com/daily.cvd>

Mon Aug  8 10:16:27 2022 -> Trying again in 5 secs...



Regards,

Ganesh




C2 General
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