Where are log of accessing ?

jcpamart · Post by **jcpamart** » Fri Dec 10, 2021 11:51 am

Hi,
I'm using openvpn on a debian 11 installed on a VPS in France.
My open VPN have in DMZ all the ports for my mail server, cause the IP of the VPS is clean.
Since 2 days, I have a hacker try to get inside my mail server using brute force.
I have ban somes IP I found in /var/log/syslog
But it's look like not resolve my problem.

So the question is, where can I find the log file recording all IP's coming in the openvpn ?

Thanks for your help.
Best regards

TinCanTech · Post by **TinCanTech** » Fri Dec 10, 2021 2:57 pm

One of your VPN clients is trying to hack your mail server ?

jcpamart · Post by **jcpamart** » Fri Dec 10, 2021 4:10 pm

No, not a vpnclient, just another IP somewhere in the world....

TinCanTech · Post by **TinCanTech** » Fri Dec 10, 2021 4:38 pm

Openvpn is not a firewall.

jcpamart · Post by **jcpamart** » Fri Dec 10, 2021 4:40 pm

I understood, but is there a log file to see all connexions transit in this debian ?

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