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uln-yum-mirror - missing sni

in Linux Operating System (MOSC) 1 commentQuestion

Hi.

Trying to set up a yum-mirror on oel8.

As the network team uses a webProxy I have got a SSL-Bypass rule to have the original TLS connection and sertificates used. The webProxy uses SNI to determine what connections may bypass the proxy. Using tcpdump it looks like the SNI is missing and the webproxy is terminating the ssl-traffic and using itself as a CA creates a certificate. The uln-yum-mirror scripts then gives the following error

OpenSSL.SSL.Error: [('SSL routines', 'tls_process_server_certificate', 'certificate verify failed')]

In the tcpdump i see a message "Unknown CA" leading me to believe this is the issue.

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