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wanadoo
2008 Jul 28
2
limiting the per-time connections from one single IP address
Hi every
we had a havy pop3 attach yesterday morning: about 400'000 connects in
three hours from one single IP address within wandadoo.fr.
the easiest way, to protect the dovecot server against such attacks
would be to limit the number of connections anyone can open from one
single IP address to the server in a certain time.
this feature is available in newer versions of postfix, where i have
limited the number of SMTP connec...