$ git clone https://github.com/skeeto/endlessh

$ cd endlessh/
$ docker build -t endlessh .
[...]
Successfully built 6fc5221548db
Successfully tagged endlessh:latest

$ docker run -it endlessh
2020-11-09T15:38:03.585Z Port 2222
2020-11-09T15:38:03.586Z Delay 10000
2020-11-09T15:38:03.586Z MaxLineLength 32
2020-11-09T15:38:03.586Z MaxClients 4096
2020-11-09T15:38:03.586Z BindFamily IPv4 Mapped IPv6

$ docker run -d --name endlessh -p 2222:2222 endlessh

$ nc -v localhost 2222
Connection to localhost 2222 port [tcp/*] succeeded!
vc"06m6rKE"S40rSE2l
&Noq1>p&DurlvJh84S
 bHzlY
mTj-(!EP_Ta|B]CJu;s'1^:m7/PrYF
LA%jF#vxZnN3Ai

$ iptables -A INPUT -p tcp -m tcp --dport 22 -j TARPIT

$ apt install openssh-server
The following NEW packages will be installed
  ncurses-term openssh-server openssh-sftp-server ssh-import-id
  
$ iptables -A OUTPUT -t mangle -p tcp --sport 22 -j MARK --set-mark 10
$ iptables -A OUTPUT -t mangle -p tcp --dport 22 -j MARK --set-mark 10

wlp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP group default qlen 1000

$ tc qdisc add dev wlp1s0 root handle 1: htb

$ tc class add dev wlp1s0 parent 1: classid 1:0 htb rate 8000Mbit

$ tc class add dev wlp1s0 parent 1: classid 1:5 htb rate 80bit prio 1

$ tc filter add dev wlp1s0 parent 1: prio 1 protocol ip handle 10 fw flowid 5

$ watch -n1 tc -s -g class show dev wlp1s0

$ tc qdisc show dev wlp1s0
$ tc class show dev wlp1s0
$ tc filter show dev wlp1s0

$ ip a | grep wlp1s0 | grep inet
inet 192.168.0.16/24 brd 192.168.0.255 scope global dynamic noprefixroute wlp1s0

$ ssh 192.168.0.16

$ find / -name chrisbinnie

$ tc qdisc del dev wlp1s0 root