.
:
http://www.sonicle.com
Music:
http://www.gabrielebulfon.com
Quantum Mechanics :
http://www.cdbaby.com/cd/gabrielebulfon
--
Da: Wietse Venema
A: Postfix users
Data: 11 settembre 2020 2.08.01 CEST
Oggetto: Re: syn flood gene
Gabriele Bulfon:
> Thanks so much for the deep explanation :)
Considering the questions asked, I must keep the conversation at a
basic level.
> Kernel is illumos, I exclude it can be a bug in the kernel stack.
> I will check Postfix config, but I don't think there is any huge
> limit as you sugge
---
Da: Wietse Venema
A: Postfix users
Cc: postfix-users@postfix.org u...@porcupine.org
Data: 10 settembre 2020 15.52.39 CEST
Oggetto: Re: syn flood generated by a postfix transaction
Gabriele Bulfon:
Hello,
we recently had some situation of full bandwidth usage through our
fir
Gabriele Bulfon:
> Hello,
> we recently had some situation of full bandwidth usage through our
> firewall, and by investigation we discovered that this was caused
> by a specific mail to a specific destination sent via Postifx 3.1.6.
> We found an ACK SYN DUP flood during the problem, many many pac
Hello,
we recently had some situation of full bandwidth usage through our firewall,
and by investigation we discovered that this was caused by a specific mail to a
specific destination sent via Postifx 3.1.6.
We found an ACK SYN DUP flood during the problem, many many packets sent, and
this on