0
votes
1answer
832 views

Is using iptables to rate limit on port 80 considered wasteful?

I was thinking of adding the following rule to my IP tables: -A INPUT -p tcp -m state --state NEW -m recent --update --dport 80 --seconds 5 --hitcount 10 -j DROP -A INPUT -p tcp -m state --state NEW ...
2
votes
1answer
368 views

Reasonable rate limiting settings with PF firewall

I have the following settings in my pf.conf to dissuade abusive clients (I get a few a day that are obviously just scraping content indiscriminately and slow everything down): pass in on $ext_if ...
6
votes
3answers
3k views

Rate limiting with UFW: setting limits

UFW's man page mentions that it can setup iptables rate limiting for me: ufw supports connection rate limiting, which is useful for protecting against brute-force login attacks. ufw ...
3
votes
2answers
5k views

Should I rate-limit packets with iptables?

I'm using iptables on Ubuntu Server. It's a web server on a VPS. I'd like to know if I should rate-limit packets. If so, what should I rate-limit? And should I do so globally or per IP address? ...
0
votes
2answers
2k views

Cisco ASA 5510 - limit bandwidth for outgoing SMTP traffic?

Is there an easy way to throttle outgoing SMTP traffic? Some of our users continue to send large attachments to a large group of people - as a result the bandwidth is almost completely consumed, and ...