North American Network Operators Group|
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Re: Customer-facing ACLs
Frank Bulk wrote:
The last few spam incidents I measured an outflow of about 2 messages per
Judging by the hits on my firewall there's a fair amount of variation
between the scanners that are doing a couple login attempts per hour, and the bot that's making thousands of login attempts with 4 or 5 connection attempts going at a time. We don't filter them till they hit a threshold.
I don't even bother to log telnet attempts anymore so I can't say much about that.