Yikes! It was the 'Skip Lets Encrypt Check' that dunnit. I've had this before on another server. What fooled me was it had happily issued...
I have been installing sites on a new iISPConfig server. It has been installing Letsencrypt certs ok. I came to add another site. No cert issued....
Still puzzled by this. If it was just a case of finding open resolvers a few tests should suffice. If it was an attempted BSOD then a day's attack...
Till - from a previous thread because of the Dovecot 2.4 issue (which is important for me) you suggested that it was best to upgrade Bookworm to...
Worryingly because I have suppressed the syslog messages won't be stopping the attack continuing. Is there anything I can do to stop the feedback...
It did start again . Your suggestion appears tested and working ;-) Why millions of attempts from multiple servers is needed to probe for a bind...
Thanks Till. As if by magic the moment I posted the attack paused. It was expanding syslog by 5GB a day so it would have taken less than 5 days to...
Debian 12 ISPConfig server My syslog started growing at a spectacular rate in the past 5 days to a point is was filling the whole server disk....
If I read you right a forced ISPConfig upgrade doesn't give you the current OS config but the previous one. Hence, I guess I have no option but to...
This may be an issue with an old server that started out as Buster and upgraded through Bullseye to Bookworm. Hence the spamfilter is amavisd. I...
Yep, that sounds sensible. I''ll just update ISPConfig and wait.
As Dovecot is the major issue in transition what is the best strategy for a heavy email Bookworm ISPConfig server: * Upgrade ISPConfig to 3.3.1...
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