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How do use an SSL certificate for syslog over TLS?

Hello,

 

We'd like to receive logs from Palo Alto Cortex, which requires syslog over TLS. It won't work with a self signed cert, so after obtaining a cert signed by a CA, I followed this guide (skipping the 1st step) and sniffing the traffic, it seems the receiver now sends the correct cert, but the other side still won't trust it. Reading Palo Alto's guide, I believe it's because the intermediate CA cert is missing from the receiver, but while I have that as well, I've no idea what to do with it.

 

Can anyone here help?

We're using ESM version 10.3.4.

 

Thanks!

3 Replies
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Re: How do use an SSL certificate for syslog over TLS?

is everything under the same domain? make sure CN matches that you have on ERC, ip or actual hostname. 

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Re: How do use an SSL certificate for syslog over TLS?

The receiver hostname and PTR are both the same as the domain in the cert.

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Re: How do use an SSL certificate for syslog over TLS?

Cool. Is it working, if not, any error from the client side that's trying to send syslog over tls?

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