2 ms·
They do not appear to be ramping up on any of my VPS nodes. I see the same averages to my tarpit ports on all my nodes. # VPS They all look similar to thi
by LinuxBender 4y ago
They do not appear to be ramping up on any of my VPS nodes. I see the same averages to my tarpit ports on all my nodes.
# VPS They all look similar to this
iptables -L INPUT -n -v | grep TAR | sort -r | awk '{print $1"\t" $3"\t" $11}'
2680 TARPIT dpt:23
2657 TARPIT dpt:6379
170K TARPIT dpt:445
1186 TARPIT dpt:80
882 TARPIT dpt:22
757 TARPIT dpt:443
591 TARPIT dpt:5900
311 TARPIT dpt:21
296 TARPIT dpt:3389
119 TARPIT dpt:873
Some poorly coded bots appear to get stuck on 445 indefinitely. On the other hand I do see a vast increase on my home network to 5900 VNC. It is usually about double the hits to 3389 RDP
# Home
iptables -L INPUT -n -v | grep TAR | sort -r | awk '{print $1"\t" $3"\t" $11}'
9013 TARPIT dpt:5900
1628 TARPIT dpt:22
1274 TARPIT dpt:23
1092 TARPIT dpt:445
119 TARPIT dpt:3389
40 TARPIT dpt:21
[Edit]
Here is a second home connection that has a higher uptime. Running tcpdump it looks like the latest VNC bots do not recognize and avoid tarpits.
# Second Home connection
iptables -L INPUT -n -v | grep TAR | sort -r | awk '{print $1"\t" $3"\t" $11}'
50532 TARPIT dpt:22
44301 TARPIT dpt:445
33520 TARPIT dpt:23
6718 TARPIT dpt:80
6439 TARPIT dpt:3389
184K TARPIT dpt:5900
1091 TARPIT dpt:21
271 TARPIT dpt:1900