Actually this also caught my attention on this 10 nodes from 188.214.30/24: https://atlas.torproject.org/#search/188.214.30 All from Romania, relays, ports 443/9030, good bandwidth 17-26MiB, uptime almost identical, and no family member set. One is even named CIA :) Contact is set to none also. welcome!

Interesting to see. I have similar stats. 10 connections from 188.214.30.0/24, second up 8 connections from 178.16.208.0/24. Thanks!

On Tue, Dec 5, 2017 at 4:27 PM, x9p <tor@x9p.org> wrote:

...

first measure on a good day how many connection per /24 your exit/relay have, excluding these with 1 2 or just 3 connections:

# netstat -tupan | grep ESTABLISHED | grep /tor | awk '{print $5}' | awk -F: '{print $1}' | awk -F. '{print $1"."$2"."$3}' | sort | uniq -c | sort | egrep -v ' 1 | 2 | 3 '

with this information in hand, double the max of it (mine was 10 connections from 188.214.30.0/24):

10 188.214.30

iptables -A INPUT -i eth0 -p tcp -m connlimit --connlimit-above 20 --connlimit-mask 24 -j REJECT --reject-with tcp-reset

cheers.

x9p

...

...

connlimit per /24. it does more good than evil.

Any guidance on the specifics? Like how many concurrent connections to allow per /24? Not sure what's expected from legitimate user traffic through the relay... don't want to make things worse. _______________________________________________ tor-relays mailing list tor-relays@lists.torproject.org https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays

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-- Regardless, I hope you're well and happy - Aneesh _______________________________________________ tor-relays mailing list tor-relays@lists.torproject.org https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays